octave-lojdl/gnulib-hg: lib/vasnprintf.c annotate

annotate lib/vasnprintf.c @ 14079:97fc9a21a8fb

maint: update almost all copyright ranges to include 2011 Run the new "make update-copyright" rule.

author	Jim Meyering <meyering@redhat.com>
date	Sat, 01 Jan 2011 20:17:23 +0100
parents	87a95303747f
children	2113f76f7b44

rev	line source
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* vsprintf with automatic memory allocation.
14079 97fc9a21a8fb maint: update almost all copyright ranges to include 2011 Jim Meyering <meyering@redhat.com> parents: 13885 diff changeset	2 Copyright (C) 1999, 2002-2011 Free Software Foundation, Inc.
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3
4440 e58a1c05a6ba Update gettext source files from gettext automatically, using srclist-update. Paul Eggert <eggert@cs.ucla.edu> parents: 4428 diff changeset	4 This program is free software; you can redistribute it and/or modify
e58a1c05a6ba Update gettext source files from gettext automatically, using srclist-update. Paul Eggert <eggert@cs.ucla.edu> parents: 4428 diff changeset	5 it under the terms of the GNU General Public License as published by
e58a1c05a6ba Update gettext source files from gettext automatically, using srclist-update. Paul Eggert <eggert@cs.ucla.edu> parents: 4428 diff changeset	6 the Free Software Foundation; either version 2, or (at your option)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	7 any later version.
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	8
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	9 This program is distributed in the hope that it will be useful,
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	10 but WITHOUT ANY WARRANTY; without even the implied warranty of
4440 e58a1c05a6ba Update gettext source files from gettext automatically, using srclist-update. Paul Eggert <eggert@cs.ucla.edu> parents: 4428 diff changeset	11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
e58a1c05a6ba Update gettext source files from gettext automatically, using srclist-update. Paul Eggert <eggert@cs.ucla.edu> parents: 4428 diff changeset	12 GNU General Public License for more details.
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	13
4440 e58a1c05a6ba Update gettext source files from gettext automatically, using srclist-update. Paul Eggert <eggert@cs.ucla.edu> parents: 4428 diff changeset	14 You should have received a copy of the GNU General Public License along
e58a1c05a6ba Update gettext source files from gettext automatically, using srclist-update. Paul Eggert <eggert@cs.ucla.edu> parents: 4428 diff changeset	15 with this program; if not, write to the Free Software Foundation,
5848 a48fb0e98c8c * empty log message * Paul Eggert <eggert@cs.ucla.edu> parents: 5670 diff changeset	16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	17
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	18 /* This file can be parametrized with the following macros:
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	19 VASNPRINTF The name of the function being defined.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	20 FCHAR_T The element type of the format string.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	21 DCHAR_T The element type of the destination (result) string.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	22 FCHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	23 in the format string are ASCII. MUST be set if
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	24 FCHAR_T and DCHAR_T are not the same type.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	25 DIRECTIVE Structure denoting a format directive.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	26 Depends on FCHAR_T.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	27 DIRECTIVES Structure denoting the set of format directives of a
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	28 format string. Depends on FCHAR_T.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	29 PRINTF_PARSE Function that parses a format string.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	30 Depends on FCHAR_T.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	31 DCHAR_CPY memcpy like function for DCHAR_T[] arrays.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	32 DCHAR_SET memset like function for DCHAR_T[] arrays.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	33 DCHAR_MBSNLEN mbsnlen like function for DCHAR_T[] arrays.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	34 SNPRINTF The system's snprintf (or similar) function.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	35 This may be either snprintf or swprintf.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	36 TCHAR_T The element type of the argument and result string
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	37 of the said SNPRINTF function. This may be either
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	38 char or wchar_t. The code exploits that
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	39 sizeof (TCHAR_T) \| sizeof (DCHAR_T) and
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	40 alignof (TCHAR_T) <= alignof (DCHAR_T).
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	41 DCHAR_IS_TCHAR Set to 1 if DCHAR_T and TCHAR_T are the same type.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	42 DCHAR_CONV_FROM_ENCODING A function to convert from char[] to DCHAR[].
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	43 DCHAR_IS_UINT8_T Set to 1 if DCHAR_T is uint8_t.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	44 DCHAR_IS_UINT16_T Set to 1 if DCHAR_T is uint16_t.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	45 DCHAR_IS_UINT32_T Set to 1 if DCHAR_T is uint32_t. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	46
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	47 /* Tell glibc's <stdio.h> to provide a prototype for snprintf().
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	48 This must come before <config.h> because <config.h> may include
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	49 <features.h>, and once <features.h> has been included, it's too late. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	50 #ifndef _GNU_SOURCE
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	51 # define _GNU_SOURCE 1
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	52 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	53
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	54 #ifndef VASNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	55 # include <config.h>
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	56 #endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	57 #ifndef IN_LIBINTL
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	58 # include <alloca.h>
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	59 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	60
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	61 /* Specification. */
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	62 #ifndef VASNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	63 # if WIDE_CHAR_VERSION
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	64 # include "vasnwprintf.h"
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	65 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	66 # include "vasnprintf.h"
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	67 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	68 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	69
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	70 #include <locale.h> /* localeconv() */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	71 #include <stdio.h> /* snprintf(), sprintf() */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	72 #include <stdlib.h> /* abort(), malloc(), realloc(), free() */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	73 #include <string.h> /* memcpy(), strlen() */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	74 #include <errno.h> /* errno */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	75 #include <limits.h> /* CHAR_BIT */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	76 #include <float.h> /* DBL_MAX_EXP, LDBL_MAX_EXP */
8554 35eb5062216c Prefer nl_langinfo over localeconv. Bruno Haible <bruno@clisp.org> parents: 8531 diff changeset	77 #if HAVE_NL_LANGINFO
35eb5062216c Prefer nl_langinfo over localeconv. Bruno Haible <bruno@clisp.org> parents: 8531 diff changeset	78 # include <langinfo.h>
35eb5062216c Prefer nl_langinfo over localeconv. Bruno Haible <bruno@clisp.org> parents: 8531 diff changeset	79 #endif
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	80 #ifndef VASNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	81 # if WIDE_CHAR_VERSION
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	82 # include "wprintf-parse.h"
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	83 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	84 # include "printf-parse.h"
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	85 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	86 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	87
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	88 /* Checked size_t computations. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	89 #include "xsize.h"
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	90
13788 6f8ee3f6161c rewrite int foo[2X-1] to verify(X) or to int foo[X?1:-1] Paul Eggert <eggert@cs.ucla.edu>* parents: 13323 diff changeset	91 #include "verify.h"
6f8ee3f6161c rewrite int foo[2X-1] to verify(X) or to int foo[X?1:-1] Paul Eggert <eggert@cs.ucla.edu>* parents: 13323 diff changeset	92
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	93 #if (NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	94 # include <math.h>
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	95 # include "float+.h"
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	96 #endif
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	97
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	98 #if (NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	99 # include <math.h>
10264 ebb7ea0c94e8 Rename isnand.h to isnand-nolibm.h, similarly for isnanf.h. Ben Pfaff <blp@cs.stanford.edu> parents: 10104 diff changeset	100 # include "isnand-nolibm.h"
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	101 #endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	102
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	103 #if (NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE) && !defined IN_LIBINTL
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	104 # include <math.h>
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	105 # include "isnanl-nolibm.h"
8915 f15c03805bd9 Fix possible compilation error. Bruno Haible <bruno@clisp.org> parents: 8865 diff changeset	106 # include "fpucw.h"
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	107 #endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	108
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	109 #if (NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
8655 9a272158fe43 Faster determination of the sign of a number. Bruno Haible <bruno@clisp.org> parents: 8648 diff changeset	110 # include <math.h>
10264 ebb7ea0c94e8 Rename isnand.h to isnand-nolibm.h, similarly for isnanf.h. Ben Pfaff <blp@cs.stanford.edu> parents: 10104 diff changeset	111 # include "isnand-nolibm.h"
8526 67e9a647f2fa Fix includes. Bruno Haible <bruno@clisp.org> parents: 8487 diff changeset	112 # include "printf-frexp.h"
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	113 #endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	114
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	115 #if (NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	116 # include <math.h>
8648 359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	117 # include "isnanl-nolibm.h"
359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	118 # include "printf-frexpl.h"
359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	119 # include "fpucw.h"
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	120 #endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	121
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	122 /* Default parameters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	123 #ifndef VASNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	124 # if WIDE_CHAR_VERSION
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	125 # define VASNPRINTF vasnwprintf
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	126 # define FCHAR_T wchar_t
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	127 # define DCHAR_T wchar_t
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	128 # define TCHAR_T wchar_t
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	129 # define DCHAR_IS_TCHAR 1
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	130 # define DIRECTIVE wchar_t_directive
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	131 # define DIRECTIVES wchar_t_directives
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	132 # define PRINTF_PARSE wprintf_parse
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	133 # define DCHAR_CPY wmemcpy
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	134 # define DCHAR_SET wmemset
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	135 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	136 # define VASNPRINTF vasnprintf
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	137 # define FCHAR_T char
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	138 # define DCHAR_T char
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	139 # define TCHAR_T char
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	140 # define DCHAR_IS_TCHAR 1
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	141 # define DIRECTIVE char_directive
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	142 # define DIRECTIVES char_directives
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	143 # define PRINTF_PARSE printf_parse
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	144 # define DCHAR_CPY memcpy
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	145 # define DCHAR_SET memset
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	146 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	147 #endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	148 #if WIDE_CHAR_VERSION
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	149 /* TCHAR_T is wchar_t. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	150 # define USE_SNPRINTF 1
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	151 # if HAVE_DECL__SNWPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	152 /* On Windows, the function swprintf() has a different signature than
13197 5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	153 on Unix; we use the function _snwprintf() or - on mingw - snwprintf()
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	154 instead. The mingw function snwprintf() has fewer bugs than the
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	155 MSVCRT function _snwprintf(), so prefer that. */
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	156 # if defined __MINGW32__
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	157 # define SNPRINTF snwprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	158 # else
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	159 # define SNPRINTF _snwprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	160 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	161 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	162 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	163 # define SNPRINTF swprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	164 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	165 #else
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	166 /* TCHAR_T is char. */
9940 0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	167 /* Use snprintf if it exists under the name 'snprintf' or '_snprintf'.
8831 d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	168 But don't use it on BeOS, since BeOS snprintf produces no output if the
9940 0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	169 size argument is >= 0x3000000.
0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	170 Also don't use it on Linux libc5, since there snprintf with size = 1
0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	171 writes any output without bounds, like sprintf. */
0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	172 # if (HAVE_DECL__SNPRINTF \|\| HAVE_SNPRINTF) && !defined __BEOS__ && !(__GNU_LIBRARY__ == 1)
8831 d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	173 # define USE_SNPRINTF 1
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	174 # else
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	175 # define USE_SNPRINTF 0
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	176 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	177 # if HAVE_DECL__SNPRINTF
13197 5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	178 /* Windows. The mingw function snprintf() has fewer bugs than the MSVCRT
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	179 function _snprintf(), so prefer that. */
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	180 # if defined __MINGW32__
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	181 # define SNPRINTF snprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	182 /* Here we need to call the native snprintf, not rpl_snprintf. */
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	183 # undef snprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	184 # else
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	185 # define SNPRINTF _snprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	186 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	187 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	188 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	189 # define SNPRINTF snprintf
8417 ee40afd85f2c Avoid an endless recursion. Bruno Haible <bruno@clisp.org> parents: 8400 diff changeset	190 /* Here we need to call the native snprintf, not rpl_snprintf. */
ee40afd85f2c Avoid an endless recursion. Bruno Haible <bruno@clisp.org> parents: 8400 diff changeset	191 # undef snprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	192 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	193 #endif
8424 ec3450ce9889 Use the system's sprintf function. Bruno Haible <bruno@clisp.org> parents: 8417 diff changeset	194 /* Here we need to call the native sprintf, not rpl_sprintf. */
ec3450ce9889 Use the system's sprintf function. Bruno Haible <bruno@clisp.org> parents: 8417 diff changeset	195 #undef sprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	196
10102 8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	197 /* GCC >= 4.0 with -Wall emits unjustified "... may be used uninitialized"
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	198 warnings in this file. Use -Dlint to suppress them. */
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	199 #ifdef lint
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	200 # define IF_LINT(Code) Code
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	201 #else
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	202 # define IF_LINT(Code) /* empty */
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	203 #endif
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	204
10084 e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	205 /* Avoid some warnings from "gcc -Wshadow".
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	206 This file doesn't use the exp() and remainder() functions. */
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	207 #undef exp
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	208 #define exp expo
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	209 #undef remainder
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	210 #define remainder rem
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	211
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	212 #if (!USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99) && !WIDE_CHAR_VERSION
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	213 # if (HAVE_STRNLEN && !defined _AIX)
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	214 # define local_strnlen strnlen
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	215 # else
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	216 # ifndef local_strnlen_defined
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	217 # define local_strnlen_defined 1
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	218 static size_t
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	219 local_strnlen (const char *string, size_t maxlen)
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	220 {
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	221 const char *end = memchr (string, '\0', maxlen);
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	222 return end ? (size_t) (end - string) : maxlen;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	223 }
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	224 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	225 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	226 #endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	227
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	228 #if (((!USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99) && WIDE_CHAR_VERSION) \|\| ((!USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99 \|\| (NEED_PRINTF_DIRECTIVE_LS && !defined IN_LIBINTL)) && !WIDE_CHAR_VERSION && DCHAR_IS_TCHAR)) && HAVE_WCHAR_T
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	229 # if HAVE_WCSLEN
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	230 # define local_wcslen wcslen
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	231 # else
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	232 /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	233 a dependency towards this library, here is a local substitute.
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	234 Define this substitute only once, even if this file is included
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	235 twice in the same compilation unit. */
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	236 # ifndef local_wcslen_defined
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	237 # define local_wcslen_defined 1
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	238 static size_t
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	239 local_wcslen (const wchar_t *s)
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	240 {
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	241 const wchar_t *ptr;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	242
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	243 for (ptr = s; *ptr != (wchar_t) 0; ptr++)
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	244 ;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	245 return ptr - s;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	246 }
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	247 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	248 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	249 #endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	250
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	251 #if (!USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99) && HAVE_WCHAR_T && WIDE_CHAR_VERSION
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	252 # if HAVE_WCSNLEN
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	253 # define local_wcsnlen wcsnlen
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	254 # else
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	255 # ifndef local_wcsnlen_defined
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	256 # define local_wcsnlen_defined 1
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	257 static size_t
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	258 local_wcsnlen (const wchar_t *s, size_t maxlen)
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	259 {
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	260 const wchar_t *ptr;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	261
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	262 for (ptr = s; maxlen > 0 && *ptr != (wchar_t) 0; ptr++, maxlen--)
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	263 ;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	264 return ptr - s;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	265 }
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	266 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	267 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	268 #endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	269
10450 efaa10653f4b Tweak last commit. Bruno Haible <bruno@clisp.org> parents: 10449 diff changeset	270 #if (NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE \|\| NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL
8569 378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	271 /* Determine the decimal-point character according to the current locale. */
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	272 # ifndef decimal_point_char_defined
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	273 # define decimal_point_char_defined 1
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	274 static char
11856 8b0d11ca9d01 build: avoid some compiler warnings Eric Blake <ebb9@byu.net> parents: 11804 diff changeset	275 decimal_point_char (void)
8569 378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	276 {
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	277 const char *point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	278 /* Determine it in a multithread-safe way. We know nl_langinfo is
12344 9f98da6e2275 vasnprintf: Tiny optimization. Bruno Haible <bruno@clisp.org> parents: 12306 diff changeset	279 multithread-safe on glibc systems and MacOS X systems, but is not required
9f98da6e2275 vasnprintf: Tiny optimization. Bruno Haible <bruno@clisp.org> parents: 12306 diff changeset	280 to be multithread-safe by POSIX. sprintf(), however, is multithread-safe.
9f98da6e2275 vasnprintf: Tiny optimization. Bruno Haible <bruno@clisp.org> parents: 12306 diff changeset	281 localeconv() is rarely multithread-safe. */
13885 87a95303747f Port to uClibc. Bruno Haible <bruno@clisp.org> parents: 13883 diff changeset	282 # if HAVE_NL_LANGINFO && (__GLIBC__ \|\| defined __UCLIBC__ \|\| (defined __APPLE__ && defined __MACH__))
8569 378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	283 point = nl_langinfo (RADIXCHAR);
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	284 # elif 1
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	285 char pointbuf[5];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	286 sprintf (pointbuf, "%#.0f", 1.0);
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	287 point = &pointbuf[1];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	288 # else
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	289 point = localeconv () -> decimal_point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	290 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	291 /* The decimal point is always a single byte: either '.' or ','. */
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	292 return (point[0] != '\0' ? point[0] : '.');
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	293 }
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	294 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	295 #endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	296
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	297 #if NEED_PRINTF_INFINITE_DOUBLE && !NEED_PRINTF_DOUBLE && !defined IN_LIBINTL
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	298
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	299 /* Equivalent to !isfinite(x) \|\| x == 0, but does not require libm. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	300 static int
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	301 is_infinite_or_zero (double x)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	302 {
9646 a113e473cc98 Rename isnan, applicable to 'double' only, to isnand. Bruno Haible <bruno@clisp.org> parents: 9489 diff changeset	303 return isnand (x) \|\| x + x == x;
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	304 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	305
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	306 #endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	307
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	308 #if NEED_PRINTF_INFINITE_LONG_DOUBLE && !NEED_PRINTF_LONG_DOUBLE && !defined IN_LIBINTL
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	309
10448 a5c27eb6fed3 vasnprintf: support Irix 5.3 Eric Blake <ebb9@byu.net> parents: 10394 diff changeset	310 /* Equivalent to !isfinite(x) \|\| x == 0, but does not require libm. */
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	311 static int
10448 a5c27eb6fed3 vasnprintf: support Irix 5.3 Eric Blake <ebb9@byu.net> parents: 10394 diff changeset	312 is_infinite_or_zerol (long double x)
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	313 {
10448 a5c27eb6fed3 vasnprintf: support Irix 5.3 Eric Blake <ebb9@byu.net> parents: 10394 diff changeset	314 return isnanl (x) \|\| x + x == x;
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	315 }
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	316
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	317 #endif
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	318
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	319 #if (NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	320
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	321 /* Converting 'long double' to decimal without rare rounding bugs requires
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	322 real bignums. We use the naming conventions of GNU gmp, but vastly simpler
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	323 (and slower) algorithms. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	324
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	325 typedef unsigned int mp_limb_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	326 # define GMP_LIMB_BITS 32
13788 6f8ee3f6161c rewrite int foo[2X-1] to verify(X) or to int foo[X?1:-1] Paul Eggert <eggert@cs.ucla.edu>* parents: 13323 diff changeset	327 verify (sizeof (mp_limb_t) * CHAR_BIT == GMP_LIMB_BITS);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	328
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	329 typedef unsigned long long mp_twolimb_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	330 # define GMP_TWOLIMB_BITS 64
13788 6f8ee3f6161c rewrite int foo[2X-1] to verify(X) or to int foo[X?1:-1] Paul Eggert <eggert@cs.ucla.edu>* parents: 13323 diff changeset	331 verify (sizeof (mp_twolimb_t) * CHAR_BIT == GMP_TWOLIMB_BITS);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	332
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	333 /* Representation of a bignum >= 0. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	334 typedef struct
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	335 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	336 size_t nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	337 mp_limb_t limbs; / Bits in little-endian order, allocated with malloc(). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	338 } mpn_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	339
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	340 /* Compute the product of two bignums >= 0.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	341 Return the allocated memory in case of success, NULL in case of memory
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	342 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	343 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	344 multiply (mpn_t src1, mpn_t src2, mpn_t *dest)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	345 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	346 const mp_limb_t *p1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	347 const mp_limb_t *p2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	348 size_t len1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	349 size_t len2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	350
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	351 if (src1.nlimbs <= src2.nlimbs)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	352 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	353 len1 = src1.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	354 p1 = src1.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	355 len2 = src2.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	356 p2 = src2.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	357 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	358 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	359 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	360 len1 = src2.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	361 p1 = src2.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	362 len2 = src1.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	363 p2 = src1.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	364 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	365 /* Now 0 <= len1 <= len2. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	366 if (len1 == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	367 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	368 /* src1 or src2 is zero. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	369 dest->nlimbs = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	370 dest->limbs = (mp_limb_t *) malloc (1);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	371 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	372 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	373 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	374 /* Here 1 <= len1 <= len2. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	375 size_t dlen;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	376 mp_limb_t *dp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	377 size_t k, i, j;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	378
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	379 dlen = len1 + len2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	380 dp = (mp_limb_t ) malloc (dlen sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	381 if (dp == NULL)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	382 return NULL;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	383 for (k = len2; k > 0; )
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	384 dp[--k] = 0;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	385 for (i = 0; i < len1; i++)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	386 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	387 mp_limb_t digit1 = p1[i];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	388 mp_twolimb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	389 for (j = 0; j < len2; j++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	390 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	391 mp_limb_t digit2 = p2[j];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	392 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	393 carry += dp[i + j];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	394 dp[i + j] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	395 carry = carry >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	396 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	397 dp[i + len2] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	398 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	399 /* Normalise. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	400 while (dlen > 0 && dp[dlen - 1] == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	401 dlen--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	402 dest->nlimbs = dlen;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	403 dest->limbs = dp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	404 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	405 return dest->limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	406 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	407
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	408 /* Compute the quotient of a bignum a >= 0 and a bignum b > 0.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	409 a is written as a = q * b + r with 0 <= r < b. q is the quotient, r
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	410 the remainder.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	411 Finally, round-to-even is performed: If r > b/2 or if r = b/2 and q is odd,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	412 q is incremented.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	413 Return the allocated memory in case of success, NULL in case of memory
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	414 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	415 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	416 divide (mpn_t a, mpn_t b, mpn_t *q)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	417 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	418 /* Algorithm:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	419 First normalise a and b: a=[a[m-1],...,a[0]], b=[b[n-1],...,b[0]]
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	420 with m>=0 and n>0 (in base beta = 2^GMP_LIMB_BITS).
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	421 If m<n, then q:=0 and r:=a.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	422 If m>=n=1, perform a single-precision division:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	423 r:=0, j:=m,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	424 while j>0 do
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	425 {Here (q[m-1]beta^(m-1)+...+q[j]beta^j) * b[0] + r*beta^j =
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	426 = a[m-1]beta^(m-1)+...+a[j]beta^j und 0<=r<b[0]<beta}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	427 j:=j-1, r:=rbeta+a[j], q[j]:=floor(r/b[0]), r:=r-b[0]q[j].
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	428 Normalise [q[m-1],...,q[0]], yields q.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	429 If m>=n>1, perform a multiple-precision division:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	430 We have a/b < beta^(m-n+1).
11422 847931ff84ef typo fix in a comment Jim Meyering <meyering@redhat.com> parents: 11220 diff changeset	431 s:=intDsize-1-(highest bit in b[n-1]), 0<=s<intDsize.
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	432 Shift a and b left by s bits, copying them. r:=a.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	433 r=[r[m],...,r[0]], b=[b[n-1],...,b[0]] with b[n-1]>=beta/2.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	434 For j=m-n,...,0: {Here 0 <= r < b*beta^(j+1).}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	435 Compute q* :
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	436 q* := floor((r[j+n]*beta+r[j+n-1])/b[n-1]).
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	437 In case of overflow (q* >= beta) set q* := beta-1.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	438 Compute c2 := ((r[j+n]beta+r[j+n-1]) - q * b[n-1])*beta + r[j+n-2]
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	439 and c3 := b[n-2] * q*.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	440 {We have 0 <= c2 < 2*beta^2, even 0 <= c2 < beta^2 if no overflow
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	441 occurred. Furthermore 0 <= c3 < beta^2.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	442 If there was overflow and
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	443 r[j+n]beta+r[j+n-1] - q * b[n-1] >= beta, i.e. c2 >= beta^2,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	444 the next test can be skipped.}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	445 While c3 > c2, {Here 0 <= c2 < c3 < beta^2}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	446 Put q* := q* - 1, c2 := c2 + b[n-1]*beta, c3 := c3 - b[n-2].
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	447 If q* > 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	448 Put r := r - b * q* * beta^j. In detail:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	449 [r[n+j],...,r[j]] := [r[n+j],...,r[j]] - q* * [b[n-1],...,b[0]].
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	450 hence: u:=0, for i:=0 to n-1 do
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	451 u := u + q* * b[i],
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	452 r[j+i]:=r[j+i]-(u mod beta) (+ beta, if carry),
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	453 u:=u div beta (+ 1, if carry in subtraction)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	454 r[n+j]:=r[n+j]-u.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	455 {Since always u = (q* * [b[i-1],...,b[0]] div beta^i) + 1
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	456 < q* + 1 <= beta,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	457 the carry u does not overflow.}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	458 If a negative carry occurs, put q* := q* - 1
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	459 and [r[n+j],...,r[j]] := [r[n+j],...,r[j]] + [0,b[n-1],...,b[0]].
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	460 Set q[j] := q*.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	461 Normalise [q[m-n],..,q[0]]; this yields the quotient q.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	462 Shift [r[n-1],...,r[0]] right by s bits and normalise; this yields the
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	463 rest r.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	464 The room for q[j] can be allocated at the memory location of r[n+j].
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	465 Finally, round-to-even:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	466 Shift r left by 1 bit.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	467 If r > b or if r = b and q[0] is odd, q := q+1.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	468 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	469 const mp_limb_t *a_ptr = a.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	470 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	471 const mp_limb_t *b_ptr = b.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	472 size_t b_len = b.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	473 mp_limb_t *roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	474 mp_limb_t *tmp_roomptr = NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	475 mp_limb_t *q_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	476 size_t q_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	477 mp_limb_t *r_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	478 size_t r_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	479
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	480 /* Allocate room for a_len+2 digits.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	481 (Need a_len+1 digits for the real division and 1 more digit for the
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	482 final rounding of q.) */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	483 roomptr = (mp_limb_t ) malloc ((a_len + 2) sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	484 if (roomptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	485 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	486
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	487 /* Normalise a. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	488 while (a_len > 0 && a_ptr[a_len - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	489 a_len--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	490
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	491 /* Normalise b. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	492 for (;;)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	493 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	494 if (b_len == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	495 /* Division by zero. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	496 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	497 if (b_ptr[b_len - 1] == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	498 b_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	499 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	500 break;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	501 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	502
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	503 /* Here m = a_len >= 0 and n = b_len > 0. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	504
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	505 if (a_len < b_len)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	506 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	507 /* m<n: trivial case. q=0, r := copy of a. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	508 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	509 r_len = a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	510 memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	511 q_ptr = roomptr + a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	512 q_len = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	513 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	514 else if (b_len == 1)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	515 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	516 /* n=1: single precision division.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	517 beta^(m-1) <= a < beta^m ==> beta^(m-2) <= a/b < beta^m */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	518 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	519 q_ptr = roomptr + 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	520 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	521 mp_limb_t den = b_ptr[0];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	522 mp_limb_t remainder = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	523 const mp_limb_t *sourceptr = a_ptr + a_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	524 mp_limb_t *destptr = q_ptr + a_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	525 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	526 for (count = a_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	527 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	528 mp_twolimb_t num =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	529 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) \| *--sourceptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	530 *--destptr = num / den;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	531 remainder = num % den;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	532 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	533 /* Normalise and store r. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	534 if (remainder > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	535 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	536 r_ptr[0] = remainder;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	537 r_len = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	538 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	539 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	540 r_len = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	541 /* Normalise q. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	542 q_len = a_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	543 if (q_ptr[q_len - 1] == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	544 q_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	545 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	546 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	547 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	548 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	549 /* n>1: multiple precision division.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	550 beta^(m-1) <= a < beta^m, beta^(n-1) <= b < beta^n ==>
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	551 beta^(m-n-1) <= a/b < beta^(m-n+1). */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	552 /* Determine s. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	553 size_t s;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	554 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	555 mp_limb_t msd = b_ptr[b_len - 1]; /* = b[n-1], > 0 */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	556 s = 31;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	557 if (msd >= 0x10000)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	558 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	559 msd = msd >> 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	560 s -= 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	561 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	562 if (msd >= 0x100)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	563 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	564 msd = msd >> 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	565 s -= 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	566 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	567 if (msd >= 0x10)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	568 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	569 msd = msd >> 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	570 s -= 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	571 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	572 if (msd >= 0x4)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	573 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	574 msd = msd >> 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	575 s -= 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	576 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	577 if (msd >= 0x2)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	578 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	579 msd = msd >> 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	580 s -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	581 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	582 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	583 /* 0 <= s < GMP_LIMB_BITS.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	584 Copy b, shifting it left by s bits. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	585 if (s > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	586 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	587 tmp_roomptr = (mp_limb_t ) malloc (b_len sizeof (mp_limb_t));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	588 if (tmp_roomptr == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	589 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	590 free (roomptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	591 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	592 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	593 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	594 const mp_limb_t *sourceptr = b_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	595 mp_limb_t *destptr = tmp_roomptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	596 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	597 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	598 for (count = b_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	599 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	600 accu += (mp_twolimb_t) *sourceptr++ << s;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	601 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	602 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	603 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	604 /* accu must be zero, since that was how s was determined. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	605 if (accu != 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	606 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	607 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	608 b_ptr = tmp_roomptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	609 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	610 /* Copy a, shifting it left by s bits, yields r.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	611 Memory layout:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	612 At the beginning: r = roomptr[0..a_len],
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	613 at the end: r = roomptr[0..b_len-1], q = roomptr[b_len..a_len] */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	614 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	615 if (s == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	616 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	617 memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	618 r_ptr[a_len] = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	619 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	620 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	621 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	622 const mp_limb_t *sourceptr = a_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	623 mp_limb_t *destptr = r_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	624 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	625 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	626 for (count = a_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	627 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	628 accu += (mp_twolimb_t) *sourceptr++ << s;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	629 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	630 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	631 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	632 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	633 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	634 q_ptr = roomptr + b_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	635 q_len = a_len - b_len + 1; /* q will have m-n+1 limbs */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	636 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	637 size_t j = a_len - b_len; /* m-n */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	638 mp_limb_t b_msd = b_ptr[b_len - 1]; /* b[n-1] */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	639 mp_limb_t b_2msd = b_ptr[b_len - 2]; /* b[n-2] */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	640 mp_twolimb_t b_msdd = /* b[n-1]beta+b[n-2] /
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	641 ((mp_twolimb_t) b_msd << GMP_LIMB_BITS) \| b_2msd;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	642 /* Division loop, traversed m-n+1 times.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	643 j counts down, b is unchanged, beta/2 <= b[n-1] < beta. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	644 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	645 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	646 mp_limb_t q_star;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	647 mp_limb_t c1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	648 if (r_ptr[j + b_len] < b_msd) /* r[j+n] < b[n-1] ? */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	649 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	650 /* Divide r[j+n]beta+r[j+n-1] by b[n-1], no overflow. /
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	651 mp_twolimb_t num =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	652 ((mp_twolimb_t) r_ptr[j + b_len] << GMP_LIMB_BITS)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	653 \| r_ptr[j + b_len - 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	654 q_star = num / b_msd;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	655 c1 = num % b_msd;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	656 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	657 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	658 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	659 /* Overflow, hence r[j+n]beta+r[j+n-1] >= betab[n-1]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	660 q_star = (mp_limb_t)~(mp_limb_t)0; /* q* = beta-1 */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	661 /* Test whether r[j+n]beta+r[j+n-1] - (beta-1)b[n-1] >= beta
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	662 <==> r[j+n]beta+r[j+n-1] + b[n-1] >= betab[n-1]+beta
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	663 <==> b[n-1] < floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	664 {<= beta !}.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	665 If yes, jump directly to the subtraction loop.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	666 (Otherwise, r[j+n]beta+r[j+n-1] - (beta-1)b[n-1] < beta
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	667 <==> floor((r[j+n]beta+r[j+n-1]+b[n-1])/beta) = b[n-1] ) /
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	668 if (r_ptr[j + b_len] > b_msd
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	669 \|\| (c1 = r_ptr[j + b_len - 1] + b_msd) < b_msd)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	670 /* r[j+n] >= b[n-1]+1 or
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	671 r[j+n] = b[n-1] and the addition r[j+n-1]+b[n-1] gives a
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	672 carry. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	673 goto subtract;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	674 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	675 /* q_star = q*,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	676 c1 = (r[j+n]beta+r[j+n-1]) - q * b[n-1] (>=0, <beta). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	677 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	678 mp_twolimb_t c2 = /* c1beta+r[j+n-2] /
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	679 ((mp_twolimb_t) c1 << GMP_LIMB_BITS) \| r_ptr[j + b_len - 2];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	680 mp_twolimb_t c3 = /* b[n-2] * q* */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	681 (mp_twolimb_t) b_2msd * (mp_twolimb_t) q_star;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	682 /* While c2 < c3, increase c2 and decrease c3.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	683 Consider c3-c2. While it is > 0, decrease it by
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	684 b[n-1]beta+b[n-2]. Because of b[n-1]beta+b[n-2] >= beta^2/2
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	685 this can happen only twice. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	686 if (c3 > c2)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	687 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	688 q_star = q_star - 1; /* q* := q* - 1 */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	689 if (c3 - c2 > b_msdd)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	690 q_star = q_star - 1; /* q* := q* - 1 */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	691 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	692 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	693 if (q_star > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	694 subtract:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	695 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	696 /* Subtract r := r - b * q* * beta^j. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	697 mp_limb_t cr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	698 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	699 const mp_limb_t *sourceptr = b_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	700 mp_limb_t *destptr = r_ptr + j;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	701 mp_twolimb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	702 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	703 for (count = b_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	704 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	705 /* Here 0 <= carry <= q. /
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	706 carry =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	707 carry
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	708 + (mp_twolimb_t) q_star * (mp_twolimb_t) *sourceptr++
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	709 + (mp_limb_t) ~(*destptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	710 /* Here 0 <= carry <= betaq + beta-1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	711 *destptr++ = ~(mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	712 carry = carry >> GMP_LIMB_BITS; /* <= q* */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	713 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	714 cr = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	715 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	716 /* Subtract cr from r_ptr[j + b_len], then forget about
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	717 r_ptr[j + b_len]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	718 if (cr > r_ptr[j + b_len])
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	719 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	720 /* Subtraction gave a carry. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	721 q_star = q_star - 1; /* q* := q* - 1 */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	722 /* Add b back. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	723 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	724 const mp_limb_t *sourceptr = b_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	725 mp_limb_t *destptr = r_ptr + j;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	726 mp_limb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	727 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	728 for (count = b_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	729 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	730 mp_limb_t source1 = *sourceptr++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	731 mp_limb_t source2 = *destptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	732 *destptr++ = source1 + source2 + carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	733 carry =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	734 (carry
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	735 ? source1 >= (mp_limb_t) ~source2
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	736 : source1 > (mp_limb_t) ~source2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	737 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	738 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	739 /* Forget about the carry and about r[j+n]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	740 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	741 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	742 /* q* is determined. Store it as q[j]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	743 q_ptr[j] = q_star;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	744 if (j == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	745 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	746 j--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	747 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	748 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	749 r_len = b_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	750 /* Normalise q. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	751 if (q_ptr[q_len - 1] == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	752 q_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	753 # if 0 /* Not needed here, since we need r only to compare it with b/2, and
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	754 b is shifted left by s bits. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	755 /* Shift r right by s bits. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	756 if (s > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	757 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	758 mp_limb_t ptr = r_ptr + r_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	759 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	760 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	761 for (count = r_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	762 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	763 accu = (mp_twolimb_t) (mp_limb_t) accu << GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	764 accu += (mp_twolimb_t) *--ptr << (GMP_LIMB_BITS - s);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	765 *ptr = (mp_limb_t) (accu >> GMP_LIMB_BITS);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	766 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	767 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	768 # endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	769 /* Normalise r. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	770 while (r_len > 0 && r_ptr[r_len - 1] == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	771 r_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	772 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	773 /* Compare r << 1 with b. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	774 if (r_len > b_len)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	775 goto increment_q;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	776 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	777 size_t i;
8835 c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	778 for (i = b_len;;)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	779 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	780 mp_limb_t r_i =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	781 (i <= r_len && i > 0 ? r_ptr[i - 1] >> (GMP_LIMB_BITS - 1) : 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	782 \| (i < r_len ? r_ptr[i] << 1 : 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	783 mp_limb_t b_i = (i < b_len ? b_ptr[i] : 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	784 if (r_i > b_i)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	785 goto increment_q;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	786 if (r_i < b_i)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	787 goto keep_q;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	788 if (i == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	789 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	790 i--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	791 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	792 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	793 if (q_len > 0 && ((q_ptr[0] & 1) != 0))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	794 /* q is odd. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	795 increment_q:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	796 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	797 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	798 for (i = 0; i < q_len; i++)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	799 if (++(q_ptr[i]) != 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	800 goto keep_q;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	801 q_ptr[q_len++] = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	802 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	803 keep_q:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	804 if (tmp_roomptr != NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	805 free (tmp_roomptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	806 q->limbs = q_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	807 q->nlimbs = q_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	808 return roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	809 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	810
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	811 /* Convert a bignum a >= 0, multiplied with 10^extra_zeroes, to decimal
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	812 representation.
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	813 Destroys the contents of a.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	814 Return the allocated memory - containing the decimal digits in low-to-high
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	815 order, terminated with a NUL character - in case of success, NULL in case
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	816 of memory allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	817 static char *
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	818 convert_to_decimal (mpn_t a, size_t extra_zeroes)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	819 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	820 mp_limb_t *a_ptr = a.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	821 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	822 /* 0.03345 is slightly larger than log(2)/(9log(10)). /
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	823 size_t c_len = 9 * ((size_t)(a_len * (GMP_LIMB_BITS * 0.03345f)) + 1);
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	824 char c_ptr = (char ) malloc (xsum (c_len, extra_zeroes));
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	825 if (c_ptr != NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	826 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	827 char *d_ptr = c_ptr;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	828 for (; extra_zeroes > 0; extra_zeroes--)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	829 *d_ptr++ = '0';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	830 while (a_len > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	831 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	832 /* Divide a by 10^9, in-place. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	833 mp_limb_t remainder = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	834 mp_limb_t *ptr = a_ptr + a_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	835 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	836 for (count = a_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	837 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	838 mp_twolimb_t num =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	839 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) \| *--ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	840 *ptr = num / 1000000000;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	841 remainder = num % 1000000000;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	842 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	843 /* Store the remainder as 9 decimal digits. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	844 for (count = 9; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	845 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	846 *d_ptr++ = '0' + (remainder % 10);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	847 remainder = remainder / 10;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	848 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	849 /* Normalize a. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	850 if (a_ptr[a_len - 1] == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	851 a_len--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	852 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	853 /* Remove leading zeroes. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	854 while (d_ptr > c_ptr && d_ptr[-1] == '0')
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	855 d_ptr--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	856 /* But keep at least one zero. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	857 if (d_ptr == c_ptr)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	858 *d_ptr++ = '0';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	859 /* Terminate the string. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	860 *d_ptr = '\0';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	861 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	862 return c_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	863 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	864
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	865 # if NEED_PRINTF_LONG_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	866
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	867 /* Assuming x is finite and >= 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	868 write x as x = 2^e * m, where m is a bignum.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	869 Return the allocated memory in case of success, NULL in case of memory
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	870 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	871 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	872 decode_long_double (long double x, int ep, mpn_t mp)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	873 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	874 mpn_t m;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	875 int exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	876 long double y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	877 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	878
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	879 /* Allocate memory for result. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	880 m.nlimbs = (LDBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	881 m.limbs = (mp_limb_t ) malloc (m.nlimbs sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	882 if (m.limbs == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	883 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	884 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	885 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	886 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	887 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	888 /* x = 2^exp * y = 2^(exp - LDBL_MANT_BIT) * (y * LDBL_MANT_BIT), and the
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	889 latter is an integer. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	890 /* Convert the mantissa (y * LDBL_MANT_BIT) to a sequence of limbs.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	891 I'm not sure whether it's safe to cast a 'long double' value between
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	892 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	893 'long double' values between 0 and 2^16 (to 'unsigned int' or 'int',
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	894 doesn't matter). */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	895 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) != 0
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	896 # if (LDBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	897 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	898 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	899 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % (GMP_LIMB_BITS / 2));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	900 hi = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	901 y -= hi;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	902 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	903 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	904 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	905 lo = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	906 y -= lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	907 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	908 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	909 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) \| lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	910 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	911 # else
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	912 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	913 mp_limb_t d;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	914 y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % GMP_LIMB_BITS);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	915 d = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	916 y -= d;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	917 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	918 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	919 m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = d;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	920 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	921 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	922 # endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	923 for (i = LDBL_MANT_BIT / GMP_LIMB_BITS; i > 0; )
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	924 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	925 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	926 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	927 hi = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	928 y -= hi;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	929 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	930 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	931 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	932 lo = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	933 y -= lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	934 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	935 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	936 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) \| lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	937 }
9489 940605ef6e9e Don't abort if the 'long double' type has excess precision. Bruno Haible <bruno@clisp.org> parents: 9462 diff changeset	938 #if 0 /* On FreeBSD 6.1/x86, 'long double' numbers sometimes have excess
940605ef6e9e Don't abort if the 'long double' type has excess precision. Bruno Haible <bruno@clisp.org> parents: 9462 diff changeset	939 precision. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	940 if (!(y == 0.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	941 abort ();
9489 940605ef6e9e Don't abort if the 'long double' type has excess precision. Bruno Haible <bruno@clisp.org> parents: 9462 diff changeset	942 #endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	943 /* Normalise. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	944 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	945 m.nlimbs--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	946 *mp = m;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	947 *ep = exp - LDBL_MANT_BIT;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	948 return m.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	949 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	950
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	951 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	952
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	953 # if NEED_PRINTF_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	954
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	955 /* Assuming x is finite and >= 0:
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	956 write x as x = 2^e * m, where m is a bignum.
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	957 Return the allocated memory in case of success, NULL in case of memory
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	958 allocation failure. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	959 static void *
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	960 decode_double (double x, int ep, mpn_t mp)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	961 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	962 mpn_t m;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	963 int exp;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	964 double y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	965 size_t i;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	966
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	967 /* Allocate memory for result. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	968 m.nlimbs = (DBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	969 m.limbs = (mp_limb_t ) malloc (m.nlimbs sizeof (mp_limb_t));
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	970 if (m.limbs == NULL)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	971 return NULL;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	972 /* Split into exponential part and mantissa. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	973 y = frexp (x, &exp);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	974 if (!(y >= 0.0 && y < 1.0))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	975 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	976 /* x = 2^exp * y = 2^(exp - DBL_MANT_BIT) * (y * DBL_MANT_BIT), and the
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	977 latter is an integer. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	978 /* Convert the mantissa (y * DBL_MANT_BIT) to a sequence of limbs.
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	979 I'm not sure whether it's safe to cast a 'double' value between
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	980 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	981 'double' values between 0 and 2^16 (to 'unsigned int' or 'int',
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	982 doesn't matter). */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	983 # if (DBL_MANT_BIT % GMP_LIMB_BITS) != 0
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	984 # if (DBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	985 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	986 mp_limb_t hi, lo;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	987 y *= (mp_limb_t) 1 << (DBL_MANT_BIT % (GMP_LIMB_BITS / 2));
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	988 hi = (int) y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	989 y -= hi;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	990 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	991 abort ();
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	992 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	993 lo = (int) y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	994 y -= lo;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	995 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	996 abort ();
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	997 m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) \| lo;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	998 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	999 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1000 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1001 mp_limb_t d;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1002 y *= (mp_limb_t) 1 << (DBL_MANT_BIT % GMP_LIMB_BITS);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1003 d = (int) y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1004 y -= d;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1005 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1006 abort ();
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1007 m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = d;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1008 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1009 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1010 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1011 for (i = DBL_MANT_BIT / GMP_LIMB_BITS; i > 0; )
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1012 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1013 mp_limb_t hi, lo;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1014 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1015 hi = (int) y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1016 y -= hi;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1017 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1018 abort ();
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1019 y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1020 lo = (int) y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1021 y -= lo;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1022 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1023 abort ();
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1024 m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) \| lo;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1025 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1026 if (!(y == 0.0))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1027 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1028 /* Normalise. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1029 while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1030 m.nlimbs--;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1031 *mp = m;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1032 *ep = exp - DBL_MANT_BIT;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1033 return m.limbs;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1034 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1035
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1036 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1037
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1038 /* Assuming x = 2^e * m is finite and >= 0, and n is an integer:
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1039 Returns the decimal representation of round (x * 10^n).
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1040 Return the allocated memory - containing the decimal digits in low-to-high
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1041 order, terminated with a NUL character - in case of success, NULL in case
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1042 of memory allocation failure. */
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1043 static char *
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1044 scale10_round_decimal_decoded (int e, mpn_t m, void *memory, int n)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1045 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1046 int s;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1047 size_t extra_zeroes;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1048 unsigned int abs_n;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1049 unsigned int abs_s;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1050 mp_limb_t *pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1051 size_t pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1052 unsigned int s_limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1053 unsigned int s_bits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1054 mpn_t pow5;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1055 mpn_t z;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1056 void *z_memory;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1057 char *digits;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1058
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1059 if (memory == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1060 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1061 /* x = 2^e * m, hence
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1062 y = round (2^e * 10^n * m) = round (2^(e+n) * 5^n * m)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1063 = round (2^s * 5^n * m). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1064 s = e + n;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1065 extra_zeroes = 0;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1066 /* Factor out a common power of 10 if possible. */
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1067 if (s > 0 && n > 0)
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1068 {
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1069 extra_zeroes = (s < n ? s : n);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1070 s -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1071 n -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1072 }
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1073 /* Here y = round (2^s * 5^n * m) * 10^extra_zeroes.
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1074 Before converting to decimal, we need to compute
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1075 z = round (2^s * 5^n * m). */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1076 /* Compute 5^\|n\|, possibly shifted by \|s\| bits if n and s have the same
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1077 sign. 2.322 is slightly larger than log(5)/log(2). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1078 abs_n = (n >= 0 ? n : -n);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1079 abs_s = (s >= 0 ? s : -s);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1080 pow5_ptr = (mp_limb_t ) malloc (((int)(abs_n (2.322f / GMP_LIMB_BITS)) + 1
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1081 + abs_s / GMP_LIMB_BITS + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1082 * sizeof (mp_limb_t));
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1083 if (pow5_ptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1084 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1085 free (memory);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1086 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1087 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1088 /* Initialize with 1. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1089 pow5_ptr[0] = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1090 pow5_len = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1091 /* Multiply with 5^\|n\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1092 if (abs_n > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1093 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1094 static mp_limb_t const small_pow5[13 + 1] =
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1095 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1096 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1097 48828125, 244140625, 1220703125
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1098 };
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1099 unsigned int n13;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1100 for (n13 = 0; n13 <= abs_n; n13 += 13)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1101 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1102 mp_limb_t digit1 = small_pow5[n13 + 13 <= abs_n ? 13 : abs_n - n13];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1103 size_t j;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1104 mp_twolimb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1105 for (j = 0; j < pow5_len; j++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1106 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1107 mp_limb_t digit2 = pow5_ptr[j];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1108 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1109 pow5_ptr[j] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1110 carry = carry >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1111 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1112 if (carry > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1113 pow5_ptr[pow5_len++] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1114 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1115 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1116 s_limbs = abs_s / GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1117 s_bits = abs_s % GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1118 if (n >= 0 ? s >= 0 : s <= 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1119 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1120 /* Multiply with 2^\|s\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1121 if (s_bits > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1122 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1123 mp_limb_t *ptr = pow5_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1124 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1125 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1126 for (count = pow5_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1127 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1128 accu += (mp_twolimb_t) *ptr << s_bits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1129 *ptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1130 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1131 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1132 if (accu > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1133 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1134 *ptr = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1135 pow5_len++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1136 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1137 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1138 if (s_limbs > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1139 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1140 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1141 for (count = pow5_len; count > 0;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1142 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1143 count--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1144 pow5_ptr[s_limbs + count] = pow5_ptr[count];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1145 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1146 for (count = s_limbs; count > 0;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1147 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1148 count--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1149 pow5_ptr[count] = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1150 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1151 pow5_len += s_limbs;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1152 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1153 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1154 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1155 if (n >= 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1156 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1157 /* Multiply m with pow5. No division needed. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1158 z_memory = multiply (m, pow5, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1159 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1160 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1161 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1162 /* Divide m by pow5 and round. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1163 z_memory = divide (m, pow5, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1164 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1165 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1166 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1167 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1168 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1169 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1170 if (n >= 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1171 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1172 /* n >= 0, s < 0.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1173 Multiply m with pow5, then divide by 2^\|s\|. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1174 mpn_t numerator;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1175 mpn_t denominator;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1176 void *tmp_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1177 tmp_memory = multiply (m, pow5, &numerator);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1178 if (tmp_memory == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1179 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1180 free (pow5_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1181 free (memory);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1182 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1183 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1184 /* Construct 2^\|s\|. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1185 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1186 mp_limb_t *ptr = pow5_ptr + pow5_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1187 size_t i;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1188 for (i = 0; i < s_limbs; i++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1189 ptr[i] = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1190 ptr[s_limbs] = (mp_limb_t) 1 << s_bits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1191 denominator.limbs = ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1192 denominator.nlimbs = s_limbs + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1193 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1194 z_memory = divide (numerator, denominator, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1195 free (tmp_memory);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1196 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1197 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1198 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1199 /* n < 0, s > 0.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1200 Multiply m with 2^s, then divide by pow5. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1201 mpn_t numerator;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1202 mp_limb_t *num_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1203 num_ptr = (mp_limb_t *) malloc ((m.nlimbs + s_limbs + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1204 * sizeof (mp_limb_t));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1205 if (num_ptr == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1206 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1207 free (pow5_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1208 free (memory);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1209 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1210 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1211 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1212 mp_limb_t *destptr = num_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1213 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1214 size_t i;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1215 for (i = 0; i < s_limbs; i++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1216 *destptr++ = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1217 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1218 if (s_bits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1219 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1220 const mp_limb_t *sourceptr = m.limbs;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1221 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1222 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1223 for (count = m.nlimbs; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1224 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1225 accu += (mp_twolimb_t) *sourceptr++ << s_bits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1226 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1227 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1228 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1229 if (accu > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1230 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1231 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1232 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1233 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1234 const mp_limb_t *sourceptr = m.limbs;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1235 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1236 for (count = m.nlimbs; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1237 destptr++ = sourceptr++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1238 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1239 numerator.limbs = num_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1240 numerator.nlimbs = destptr - num_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1241 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1242 z_memory = divide (numerator, pow5, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1243 free (num_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1244 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1245 }
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1246 free (pow5_ptr);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1247 free (memory);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1248
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1249 /* Here y = round (x * 10^n) = z * 10^extra_zeroes. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1250
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1251 if (z_memory == NULL)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1252 return NULL;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1253 digits = convert_to_decimal (z, extra_zeroes);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1254 free (z_memory);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1255 return digits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1256 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1257
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1258 # if NEED_PRINTF_LONG_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1259
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1260 /* Assuming x is finite and >= 0, and n is an integer:
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1261 Returns the decimal representation of round (x * 10^n).
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1262 Return the allocated memory - containing the decimal digits in low-to-high
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1263 order, terminated with a NUL character - in case of success, NULL in case
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1264 of memory allocation failure. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1265 static char *
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1266 scale10_round_decimal_long_double (long double x, int n)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1267 {
10100 369c11a9858d avoid a warning from gcc Jim Meyering <meyering@redhat.com> parents: 10084 diff changeset	1268 int e IF_LINT(= 0);
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1269 mpn_t m;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1270 void *memory = decode_long_double (x, &e, &m);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1271 return scale10_round_decimal_decoded (e, m, memory, n);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1272 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1273
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1274 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1275
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1276 # if NEED_PRINTF_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1277
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1278 /* Assuming x is finite and >= 0, and n is an integer:
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1279 Returns the decimal representation of round (x * 10^n).
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1280 Return the allocated memory - containing the decimal digits in low-to-high
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1281 order, terminated with a NUL character - in case of success, NULL in case
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1282 of memory allocation failure. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1283 static char *
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1284 scale10_round_decimal_double (double x, int n)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1285 {
10101 daad35fae43c avoid another warning from gcc Jim Meyering <meyering@redhat.com> parents: 10100 diff changeset	1286 int e IF_LINT(= 0);
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1287 mpn_t m;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1288 void *memory = decode_double (x, &e, &m);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1289 return scale10_round_decimal_decoded (e, m, memory, n);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1290 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1291
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1292 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1293
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1294 # if NEED_PRINTF_LONG_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1295
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1296 /* Assuming x is finite and > 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1297 Return an approximation for n with 10^n <= x < 10^(n+1).
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1298 The approximation is usually the right n, but may be off by 1 sometimes. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1299 static int
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1300 floorlog10l (long double x)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1301 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1302 int exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1303 long double y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1304 double z;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1305 double l;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1306
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1307 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1308 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1309 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1310 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1311 if (y == 0.0L)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1312 return INT_MIN;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1313 if (y < 0.5L)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1314 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1315 while (y < (1.0L / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2))))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1316 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1317 y = 1.0L (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1318 exp -= GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1319 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1320 if (y < (1.0L / (1 << 16)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1321 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1322 y = 1.0L (1 << 16);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1323 exp -= 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1324 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1325 if (y < (1.0L / (1 << 8)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1326 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1327 y = 1.0L (1 << 8);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1328 exp -= 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1329 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1330 if (y < (1.0L / (1 << 4)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1331 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1332 y = 1.0L (1 << 4);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1333 exp -= 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1334 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1335 if (y < (1.0L / (1 << 2)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1336 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1337 y = 1.0L (1 << 2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1338 exp -= 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1339 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1340 if (y < (1.0L / (1 << 1)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1341 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1342 y = 1.0L (1 << 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1343 exp -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1344 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1345 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1346 if (!(y >= 0.5L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1347 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1348 /* Compute an approximation for l = log2(x) = exp + log2(y). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1349 l = exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1350 z = y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1351 if (z < 0.70710678118654752444)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1352 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1353 z *= 1.4142135623730950488;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1354 l -= 0.5;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1355 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1356 if (z < 0.8408964152537145431)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1357 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1358 z *= 1.1892071150027210667;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1359 l -= 0.25;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1360 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1361 if (z < 0.91700404320467123175)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1362 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1363 z *= 1.0905077326652576592;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1364 l -= 0.125;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1365 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1366 if (z < 0.9576032806985736469)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1367 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1368 z *= 1.0442737824274138403;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1369 l -= 0.0625;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1370 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1371 /* Now 0.95 <= z <= 1.01. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1372 z = 1 - z;
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1373 /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1374 Four terms are enough to get an approximation with error < 10^-7. */
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1375 l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25)));
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1376 /* Finally multiply with log(2)/log(10), yields an approximation for
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1377 log10(x). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1378 l *= 0.30102999566398119523;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1379 /* Round down to the next integer. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1380 return (int) l + (l < 0 ? -1 : 0);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1381 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1382
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1383 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1384
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1385 # if NEED_PRINTF_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1386
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1387 /* Assuming x is finite and > 0:
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1388 Return an approximation for n with 10^n <= x < 10^(n+1).
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1389 The approximation is usually the right n, but may be off by 1 sometimes. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1390 static int
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1391 floorlog10 (double x)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1392 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1393 int exp;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1394 double y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1395 double z;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1396 double l;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1397
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1398 /* Split into exponential part and mantissa. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1399 y = frexp (x, &exp);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1400 if (!(y >= 0.0 && y < 1.0))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1401 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1402 if (y == 0.0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1403 return INT_MIN;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1404 if (y < 0.5)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1405 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1406 while (y < (1.0 / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2))))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1407 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1408 y = 1.0 (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1409 exp -= GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1410 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1411 if (y < (1.0 / (1 << 16)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1412 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1413 y = 1.0 (1 << 16);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1414 exp -= 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1415 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1416 if (y < (1.0 / (1 << 8)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1417 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1418 y = 1.0 (1 << 8);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1419 exp -= 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1420 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1421 if (y < (1.0 / (1 << 4)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1422 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1423 y = 1.0 (1 << 4);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1424 exp -= 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1425 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1426 if (y < (1.0 / (1 << 2)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1427 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1428 y = 1.0 (1 << 2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1429 exp -= 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1430 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1431 if (y < (1.0 / (1 << 1)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1432 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1433 y = 1.0 (1 << 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1434 exp -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1435 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1436 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1437 if (!(y >= 0.5 && y < 1.0))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1438 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1439 /* Compute an approximation for l = log2(x) = exp + log2(y). */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1440 l = exp;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1441 z = y;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1442 if (z < 0.70710678118654752444)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1443 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1444 z *= 1.4142135623730950488;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1445 l -= 0.5;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1446 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1447 if (z < 0.8408964152537145431)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1448 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1449 z *= 1.1892071150027210667;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1450 l -= 0.25;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1451 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1452 if (z < 0.91700404320467123175)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1453 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1454 z *= 1.0905077326652576592;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1455 l -= 0.125;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1456 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1457 if (z < 0.9576032806985736469)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1458 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1459 z *= 1.0442737824274138403;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1460 l -= 0.0625;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1461 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1462 /* Now 0.95 <= z <= 1.01. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1463 z = 1 - z;
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1464 /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...)
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1465 Four terms are enough to get an approximation with error < 10^-7. */
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1466 l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25)));
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1467 /* Finally multiply with log(2)/log(10), yields an approximation for
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1468 log10(x). */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1469 l *= 0.30102999566398119523;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1470 /* Round down to the next integer. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1471 return (int) l + (l < 0 ? -1 : 0);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1472 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1473
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1474 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1475
9938 9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1476 /* Tests whether a string of digits consists of exactly PRECISION zeroes and
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1477 a single '1' digit. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1478 static int
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1479 is_borderline (const char *digits, size_t precision)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1480 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1481 for (; precision > 0; precision--, digits++)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1482 if (*digits != '0')
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1483 return 0;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1484 if (*digits != '1')
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1485 return 0;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1486 digits++;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1487 return *digits == '\0';
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1488 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1489
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1490 #endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1491
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1492 #if !USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1493
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1494 /* Use a different function name, to make it possible that the 'wchar_t'
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1495 parametrization and the 'char' parametrization get compiled in the same
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1496 translation unit. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1497 # if WIDE_CHAR_VERSION
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1498 # define MAX_ROOM_NEEDED wmax_room_needed
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1499 # else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1500 # define MAX_ROOM_NEEDED max_room_needed
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1501 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1502
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1503 /* Returns the number of TCHAR_T units needed as temporary space for the result
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1504 of sprintf or SNPRINTF of a single conversion directive. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1505 static inline size_t
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1506 MAX_ROOM_NEEDED (const arguments *ap, size_t arg_index, FCHAR_T conversion,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1507 arg_type type, int flags, size_t width, int has_precision,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1508 size_t precision, int pad_ourselves)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1509 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1510 size_t tmp_length;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1511
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1512 switch (conversion)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1513 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1514 case 'd': case 'i': case 'u':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1515 # if HAVE_LONG_LONG_INT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1516 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1517 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1518 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1519 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1520 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1521 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1522 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1523 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1524 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1525 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1526 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1527 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1528 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1529 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1530 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1531 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1532 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1533 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1534 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1535 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1536 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1537 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1538 /* Multiply by 2, as an estimate for FLAG_GROUP. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1539 tmp_length = xsum (tmp_length, tmp_length);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1540 /* Add 1, to account for a leading sign. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1541 tmp_length = xsum (tmp_length, 1);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1542 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1543
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1544 case 'o':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1545 # if HAVE_LONG_LONG_INT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1546 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1547 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1548 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1549 * 0.333334 /* binary -> octal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1550 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1551 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1552 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1553 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1554 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1555 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1556 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1557 * 0.333334 /* binary -> octal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1558 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1559 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1560 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1561 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1562 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1563 * 0.333334 /* binary -> octal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1564 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1565 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1566 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1567 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1568 /* Add 1, to account for a leading sign. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1569 tmp_length = xsum (tmp_length, 1);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1570 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1571
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1572 case 'x': case 'X':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1573 # if HAVE_LONG_LONG_INT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1574 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1575 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1576 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1577 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1578 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1579 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1580 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1581 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1582 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1583 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1584 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1585 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1586 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1587 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1588 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1589 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1590 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1591 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1592 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1593 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1594 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1595 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1596 /* Add 2, to account for a leading sign or alternate form. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1597 tmp_length = xsum (tmp_length, 2);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1598 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1599
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1600 case 'f': case 'F':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1601 if (type == TYPE_LONGDOUBLE)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1602 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1603 (unsigned int) (LDBL_MAX_EXP
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1604 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1605 * 2 /* estimate for FLAG_GROUP */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1606 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1607 + 1 /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1608 + 10; /* sign, decimal point etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1609 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1610 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1611 (unsigned int) (DBL_MAX_EXP
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1612 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1613 * 2 /* estimate for FLAG_GROUP */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1614 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1615 + 1 /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1616 + 10; /* sign, decimal point etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1617 tmp_length = xsum (tmp_length, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1618 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1619
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1620 case 'e': case 'E': case 'g': case 'G':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1621 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1622 12; /* sign, decimal point, exponent etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1623 tmp_length = xsum (tmp_length, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1624 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1625
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1626 case 'a': case 'A':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1627 if (type == TYPE_LONGDOUBLE)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1628 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1629 (unsigned int) (LDBL_DIG
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1630 * 0.831 /* decimal -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1631 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1632 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1633 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1634 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1635 (unsigned int) (DBL_DIG
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1636 * 0.831 /* decimal -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1637 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1638 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1639 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1640 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1641 /* Account for sign, decimal point etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1642 tmp_length = xsum (tmp_length, 12);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1643 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1644
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1645 case 'c':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1646 # if HAVE_WINT_T && !WIDE_CHAR_VERSION
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1647 if (type == TYPE_WIDE_CHAR)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1648 tmp_length = MB_CUR_MAX;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1649 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1650 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1651 tmp_length = 1;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1652 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1653
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1654 case 's':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1655 # if HAVE_WCHAR_T
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1656 if (type == TYPE_WIDE_STRING)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1657 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1658 # if WIDE_CHAR_VERSION
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1659 /* ISO C says about %ls in fwprintf:
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1660 "If the precision is not specified or is greater than the size
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1661 of the array, the array shall contain a null wide character."
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1662 So if there is a precision, we must not use wcslen. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1663 const wchar_t *arg = ap->arg[arg_index].a.a_wide_string;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1664
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1665 if (has_precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1666 tmp_length = local_wcsnlen (arg, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1667 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1668 tmp_length = local_wcslen (arg);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1669 # else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1670 /* ISO C says about %ls in fprintf:
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1671 "If a precision is specified, no more than that many bytes are
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1672 written (including shift sequences, if any), and the array
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1673 shall contain a null wide character if, to equal the multibyte
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1674 character sequence length given by the precision, the function
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1675 would need to access a wide character one past the end of the
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1676 array."
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1677 So if there is a precision, we must not use wcslen. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1678 /* This case has already been handled separately in VASNPRINTF. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1679 abort ();
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1680 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1681 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1682 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1683 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1684 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1685 # if WIDE_CHAR_VERSION
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1686 /* ISO C says about %s in fwprintf:
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1687 "If the precision is not specified or is greater than the size
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1688 of the converted array, the converted array shall contain a
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1689 null wide character."
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1690 So if there is a precision, we must not use strlen. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1691 /* This case has already been handled separately in VASNPRINTF. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1692 abort ();
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1693 # else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1694 /* ISO C says about %s in fprintf:
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1695 "If the precision is not specified or greater than the size of
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1696 the array, the array shall contain a null character."
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1697 So if there is a precision, we must not use strlen. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1698 const char *arg = ap->arg[arg_index].a.a_string;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1699
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1700 if (has_precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1701 tmp_length = local_strnlen (arg, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1702 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1703 tmp_length = strlen (arg);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1704 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1705 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1706 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1707
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1708 case 'p':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1709 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1710 (unsigned int) (sizeof (void ) CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1711 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1712 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1713 + 1 /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1714 + 2; /* account for leading 0x */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1715 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1716
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1717 default:
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1718 abort ();
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1719 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1720
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1721 if (!pad_ourselves)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1722 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1723 # if ENABLE_UNISTDIO
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1724 /* Padding considers the number of characters, therefore the number of
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1725 elements after padding may be
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1726 > max (tmp_length, width)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1727 but is certainly
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1728 <= tmp_length + width. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1729 tmp_length = xsum (tmp_length, width);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1730 # else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1731 /* Padding considers the number of elements, says POSIX. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1732 if (tmp_length < width)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1733 tmp_length = width;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1734 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1735 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1736
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1737 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1738
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1739 return tmp_length;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1740 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1741
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1742 #endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1743
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1744 DCHAR_T *
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1745 VASNPRINTF (DCHAR_T resultbuf, size_t lengthp,
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1746 const FCHAR_T *format, va_list args)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1747 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1748 DIRECTIVES d;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1749 arguments a;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1750
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1751 if (PRINTF_PARSE (format, &d, &a) < 0)
9438 290aa46b4526 Fix out-of-memory handling of vasnprintf. Bruno Haible <bruno@clisp.org> parents: 9371 diff changeset	1752 /* errno is already set. */
290aa46b4526 Fix out-of-memory handling of vasnprintf. Bruno Haible <bruno@clisp.org> parents: 9371 diff changeset	1753 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1754
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1755 #define CLEANUP() \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1756 free (d.dir); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1757 if (a.arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1758 free (a.arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1759
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1760 if (PRINTF_FETCHARGS (args, &a) < 0)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1761 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1762 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1763 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1764 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1765 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1766
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1767 {
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1768 size_t buf_neededlength;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1769 TCHAR_T *buf;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1770 TCHAR_T *buf_malloced;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1771 const FCHAR_T *cp;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1772 size_t i;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1773 DIRECTIVE *dp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1774 /* Output string accumulator. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1775 DCHAR_T *result;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1776 size_t allocated;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1777 size_t length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1778
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1779 /* Allocate a small buffer that will hold a directive passed to
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1780 sprintf or snprintf. */
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1781 buf_neededlength =
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1782 xsum4 (7, d.max_width_length, d.max_precision_length, 6);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1783 #if HAVE_ALLOCA
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1784 if (buf_neededlength < 4000 / sizeof (TCHAR_T))
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1785 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1786 buf = (TCHAR_T ) alloca (buf_neededlength sizeof (TCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1787 buf_malloced = NULL;
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1788 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1789 else
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1790 #endif
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1791 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1792 size_t buf_memsize = xtimes (buf_neededlength, sizeof (TCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1793 if (size_overflow_p (buf_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1794 goto out_of_memory_1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1795 buf = (TCHAR_T *) malloc (buf_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1796 if (buf == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1797 goto out_of_memory_1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1798 buf_malloced = buf;
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1799 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1800
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1801 if (resultbuf != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1802 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1803 result = resultbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1804 allocated = *lengthp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1805 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1806 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1807 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1808 result = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1809 allocated = 0;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1810 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1811 length = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1812 /* Invariants:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1813 result is either == resultbuf or == NULL or malloc-allocated.
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1814 If length > 0, then result != NULL. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1815
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1816 /* Ensures that allocated >= needed. Aborts through a jump to
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1817 out_of_memory if needed is SIZE_MAX or otherwise too big. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1818 #define ENSURE_ALLOCATION(needed) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1819 if ((needed) > allocated) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1820 { \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1821 size_t memory_size; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1822 DCHAR_T *memory; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1823 \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1824 allocated = (allocated > 0 ? xtimes (allocated, 2) : 12); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1825 if ((needed) > allocated) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1826 allocated = (needed); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1827 memory_size = xtimes (allocated, sizeof (DCHAR_T)); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1828 if (size_overflow_p (memory_size)) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1829 goto out_of_memory; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1830 if (result == resultbuf \|\| result == NULL) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1831 memory = (DCHAR_T *) malloc (memory_size); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1832 else \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1833 memory = (DCHAR_T *) realloc (result, memory_size); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1834 if (memory == NULL) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1835 goto out_of_memory; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1836 if (result == resultbuf && length > 0) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1837 DCHAR_CPY (memory, result, length); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1838 result = memory; \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1839 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1840
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1841 for (cp = format, i = 0, dp = &d.dir[0]; ; cp = dp->dir_end, i++, dp++)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1842 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1843 if (cp != dp->dir_start)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1844 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1845 size_t n = dp->dir_start - cp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1846 size_t augmented_length = xsum (length, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1847
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1848 ENSURE_ALLOCATION (augmented_length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1849 /* This copies a piece of FCHAR_T[] into a DCHAR_T[]. Here we
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1850 need that the format string contains only ASCII characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1851 if FCHAR_T and DCHAR_T are not the same type. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1852 if (sizeof (FCHAR_T) == sizeof (DCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1853 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1854 DCHAR_CPY (result + length, (const DCHAR_T *) cp, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1855 length = augmented_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1856 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1857 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1858 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1859 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1860 result[length++] = (unsigned char) *cp++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1861 while (--n > 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1862 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1863 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1864 if (i == d.count)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1865 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1866
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1867 /* Execute a single directive. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1868 if (dp->conversion == '%')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1869 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1870 size_t augmented_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1871
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1872 if (!(dp->arg_index == ARG_NONE))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1873 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1874 augmented_length = xsum (length, 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1875 ENSURE_ALLOCATION (augmented_length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1876 result[length] = '%';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1877 length = augmented_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1878 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1879 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1880 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1881 if (!(dp->arg_index != ARG_NONE))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1882 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1883
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1884 if (dp->conversion == 'n')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1885 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1886 switch (a.arg[dp->arg_index].type)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1887 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1888 case TYPE_COUNT_SCHAR_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1889 *a.arg[dp->arg_index].a.a_count_schar_pointer = length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1890 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1891 case TYPE_COUNT_SHORT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1892 *a.arg[dp->arg_index].a.a_count_short_pointer = length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1893 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1894 case TYPE_COUNT_INT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1895 *a.arg[dp->arg_index].a.a_count_int_pointer = length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1896 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1897 case TYPE_COUNT_LONGINT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1898 *a.arg[dp->arg_index].a.a_count_longint_pointer = length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1899 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1900 #if HAVE_LONG_LONG_INT
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1901 case TYPE_COUNT_LONGLONGINT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1902 *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1903 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1904 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1905 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1906 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1907 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1908 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1909 #if ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1910 /* The unistdio extensions. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1911 else if (dp->conversion == 'U')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1912 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1913 arg_type type = a.arg[dp->arg_index].type;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1914 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1915 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1916 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1917 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1918 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1919
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1920 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1921 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1922 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1923 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1924 if (dp->width_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1925 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1926 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1927
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1928 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1929 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1930 arg = a.arg[dp->width_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1931 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1932 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1933 /* "A negative field width is taken as a '-' flag
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1934 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1935 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1936 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1937 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1938 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1939 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1940 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1941 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1942 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1943 const FCHAR_T *digitp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1944
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1945 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1946 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1947 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1948 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1949 has_width = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1950 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1951
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1952 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1953 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1954 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1955 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1956 if (dp->precision_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1957 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1958 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1959
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1960 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1961 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1962 arg = a.arg[dp->precision_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1963 /* "A negative precision is taken as if the precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1964 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1965 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1966 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1967 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1968 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1969 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1970 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1971 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1972 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1973 const FCHAR_T *digitp = dp->precision_start + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1974
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1975 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1976 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1977 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1978 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1979 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1980 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1981
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1982 switch (type)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1983 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1984 case TYPE_U8_STRING:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1985 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1986 const uint8_t *arg = a.arg[dp->arg_index].a.a_u8_string;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1987 const uint8_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1988 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1989
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1990 if (has_precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1991 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1992 /* Use only PRECISION characters, from the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1993 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1994 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1995 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1996 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1997 int count = u8_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1998 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1999 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2000 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2001 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2002 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2003 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2004 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2005 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2006 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2007 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2008 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2009 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2010 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2011 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2012 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2013 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2014 else if (has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2015 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2016 /* Use the entire string, and count the number of
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2017 characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2018 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2019 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2020 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2021 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2022 int count = u8_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2023 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2024 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2025 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2026 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2027 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2028 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2029 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2030 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2031 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2032 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2033 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2034 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2035 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2036 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2037 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2038 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2039 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2040 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2041 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2042 arg_end = arg + u8_strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2043 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2044 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2045 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2046
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2047 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2048 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2049 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2050 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2051 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2052 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2053 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2054 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2055
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2056 # if DCHAR_IS_UINT8_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2057 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2058 size_t n = arg_end - arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2059 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2060 DCHAR_CPY (result + length, arg, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2061 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2062 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2063 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2064 { /* Convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2065 DCHAR_T *converted = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2066 size_t converted_len = allocated - length;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2067 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2068 /* Convert from UTF-8 to locale encoding. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2069 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2070 u8_conv_to_encoding (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2071 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2072 arg, arg_end - arg, NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2073 converted, &converted_len);
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2074 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2075 /* Convert from UTF-8 to UTF-16/UTF-32. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2076 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2077 U8_TO_DCHAR (arg, arg_end - arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2078 converted, &converted_len);
11509 ef4e896a3b4f Simplify calling convention of u_conv_to_encoding. Bruno Haible <bruno@clisp.org>* parents: 11422 diff changeset	2079 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2080 if (converted == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2081 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2082 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2083 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2084 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2085 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2086 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2087 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2088 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2089 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2090 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2091 if (converted != result + length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2092 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2093 ENSURE_ALLOCATION (xsum (length, converted_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2094 DCHAR_CPY (result + length, converted, converted_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2095 free (converted);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2096 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2097 length += converted_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2098 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2099 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2100
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2101 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2102 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2103 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2104 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2105 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2106 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2107 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2108 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2109 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2110 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2111
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2112 case TYPE_U16_STRING:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2113 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2114 const uint16_t *arg = a.arg[dp->arg_index].a.a_u16_string;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2115 const uint16_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2116 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2117
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2118 if (has_precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2119 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2120 /* Use only PRECISION characters, from the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2121 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2122 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2123 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2124 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2125 int count = u16_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2126 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2127 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2128 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2129 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2130 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2131 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2132 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2133 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2134 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2135 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2136 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2137 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2138 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2139 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2140 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2141 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2142 else if (has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2143 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2144 /* Use the entire string, and count the number of
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2145 characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2146 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2147 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2148 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2149 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2150 int count = u16_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2151 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2152 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2153 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2154 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2155 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2156 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2157 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2158 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2159 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2160 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2161 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2162 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2163 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2164 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2165 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2166 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2167 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2168 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2169 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2170 arg_end = arg + u16_strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2171 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2172 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2173 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2174
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2175 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2176 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2177 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2178 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2179 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2180 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2181 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2182 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2183
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2184 # if DCHAR_IS_UINT16_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2185 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2186 size_t n = arg_end - arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2187 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2188 DCHAR_CPY (result + length, arg, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2189 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2190 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2191 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2192 { /* Convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2193 DCHAR_T *converted = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2194 size_t converted_len = allocated - length;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2195 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2196 /* Convert from UTF-16 to locale encoding. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2197 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2198 u16_conv_to_encoding (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2199 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2200 arg, arg_end - arg, NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2201 converted, &converted_len);
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2202 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2203 /* Convert from UTF-16 to UTF-8/UTF-32. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2204 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2205 U16_TO_DCHAR (arg, arg_end - arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2206 converted, &converted_len);
11509 ef4e896a3b4f Simplify calling convention of u_conv_to_encoding. Bruno Haible <bruno@clisp.org>* parents: 11422 diff changeset	2207 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2208 if (converted == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2209 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2210 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2211 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2212 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2213 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2214 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2215 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2216 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2217 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2218 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2219 if (converted != result + length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2220 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2221 ENSURE_ALLOCATION (xsum (length, converted_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2222 DCHAR_CPY (result + length, converted, converted_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2223 free (converted);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2224 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2225 length += converted_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2226 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2227 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2228
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2229 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2230 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2231 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2232 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2233 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2234 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2235 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2236 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2237 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2238 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2239
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2240 case TYPE_U32_STRING:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2241 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2242 const uint32_t *arg = a.arg[dp->arg_index].a.a_u32_string;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2243 const uint32_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2244 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2245
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2246 if (has_precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2247 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2248 /* Use only PRECISION characters, from the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2249 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2250 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2251 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2252 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2253 int count = u32_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2254 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2255 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2256 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2257 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2258 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2259 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2260 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2261 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2262 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2263 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2264 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2265 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2266 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2267 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2268 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2269 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2270 else if (has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2271 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2272 /* Use the entire string, and count the number of
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2273 characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2274 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2275 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2276 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2277 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2278 int count = u32_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2279 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2280 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2281 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2282 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2283 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2284 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2285 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2286 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2287 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2288 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2289 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2290 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2291 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2292 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2293 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2294 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2295 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2296 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2297 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2298 arg_end = arg + u32_strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2299 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2300 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2301 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2302
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2303 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2304 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2305 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2306 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2307 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2308 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2309 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2310 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2311
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2312 # if DCHAR_IS_UINT32_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2313 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2314 size_t n = arg_end - arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2315 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2316 DCHAR_CPY (result + length, arg, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2317 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2318 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2319 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2320 { /* Convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2321 DCHAR_T *converted = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2322 size_t converted_len = allocated - length;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2323 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2324 /* Convert from UTF-32 to locale encoding. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2325 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2326 u32_conv_to_encoding (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2327 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2328 arg, arg_end - arg, NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2329 converted, &converted_len);
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2330 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2331 /* Convert from UTF-32 to UTF-8/UTF-16. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2332 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2333 U32_TO_DCHAR (arg, arg_end - arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2334 converted, &converted_len);
11509 ef4e896a3b4f Simplify calling convention of u_conv_to_encoding. Bruno Haible <bruno@clisp.org>* parents: 11422 diff changeset	2335 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2336 if (converted == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2337 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2338 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2339 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2340 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2341 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2342 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2343 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2344 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2345 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2346 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2347 if (converted != result + length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2348 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2349 ENSURE_ALLOCATION (xsum (length, converted_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2350 DCHAR_CPY (result + length, converted, converted_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2351 free (converted);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2352 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2353 length += converted_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2354 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2355 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2356
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2357 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2358 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2359 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2360 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2361 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2362 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2363 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2364 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2365 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2366 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2367
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2368 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2369 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2370 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2371 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2372 #endif
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	2373 #if (!USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99 \|\| (NEED_PRINTF_DIRECTIVE_LS && !defined IN_LIBINTL)) && HAVE_WCHAR_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2374 else if (dp->conversion == 's'
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2375 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2376 && a.arg[dp->arg_index].type != TYPE_WIDE_STRING
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2377 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2378 && a.arg[dp->arg_index].type == TYPE_WIDE_STRING
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2379 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2380 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2381 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2382 /* The normal handling of the 's' directive below requires
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2383 allocating a temporary buffer. The determination of its
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2384 length (tmp_length), in the case when a precision is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2385 specified, below requires a conversion between a char[]
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2386 string and a wchar_t[] wide string. It could be done, but
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2387 we have no guarantee that the implementation of sprintf will
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2388 use the exactly same algorithm. Without this guarantee, it
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2389 is possible to have buffer overrun bugs. In order to avoid
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2390 such bugs, we implement the entire processing of the 's'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2391 directive ourselves. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2392 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2393 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2394 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2395 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2396 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2397
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2398 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2399 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2400 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2401 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2402 if (dp->width_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2403 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2404 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2405
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2406 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2407 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2408 arg = a.arg[dp->width_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2409 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2410 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2411 /* "A negative field width is taken as a '-' flag
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2412 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2413 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2414 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2415 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2416 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2417 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2418 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2419 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2420 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2421 const FCHAR_T *digitp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2422
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2423 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2424 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2425 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2426 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2427 has_width = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2428 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2429
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2430 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2431 precision = 6;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2432 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2433 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2434 if (dp->precision_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2435 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2436 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2437
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2438 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2439 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2440 arg = a.arg[dp->precision_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2441 /* "A negative precision is taken as if the precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2442 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2443 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2444 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2445 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2446 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2447 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2448 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2449 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2450 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2451 const FCHAR_T *digitp = dp->precision_start + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2452
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2453 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2454 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2455 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2456 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2457 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2458 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2459
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2460 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2461 /* %s in vasnwprintf. See the specification of fwprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2462 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2463 const char *arg = a.arg[dp->arg_index].a.a_string;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2464 const char *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2465 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2466
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2467 if (has_precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2468 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2469 /* Use only as many bytes as needed to produce PRECISION
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2470 wide characters, from the left. */
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2471 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2472 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2473 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2474 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2475 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2476 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2477 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2478 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2479 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2480 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2481 count = mbrlen (arg_end, MB_CUR_MAX, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2482 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2483 count = mblen (arg_end, MB_CUR_MAX);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2484 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2485 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2486 /* Found the terminating NUL. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2487 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2488 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2489 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2490 /* Invalid or incomplete multibyte character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2491 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2492 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2493 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2494 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2495 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2496 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2497 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2498 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2499 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2500 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2501 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2502 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2503 else if (has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2504 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2505 /* Use the entire string, and count the number of wide
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2506 characters. */
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2507 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2508 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2509 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2510 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2511 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2512 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2513 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2514 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2515 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2516 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2517 count = mbrlen (arg_end, MB_CUR_MAX, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2518 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2519 count = mblen (arg_end, MB_CUR_MAX);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2520 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2521 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2522 /* Found the terminating NUL. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2523 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2524 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2525 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2526 /* Invalid or incomplete multibyte character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2527 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2528 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2529 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2530 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2531 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2532 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2533 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2534 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2535 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2536 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2537 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2538 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2539 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2540 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2541 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2542 arg_end = arg + strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2543 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2544 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2545 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2546
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2547 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2548 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2549 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2550 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2551 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2552 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2553 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2554 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2555
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2556 if (has_precision \|\| has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2557 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2558 /* We know the number of wide characters in advance. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2559 size_t remaining;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2560 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2561 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2562 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2563 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2564 ENSURE_ALLOCATION (xsum (length, characters));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2565 for (remaining = characters; remaining > 0; remaining--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2566 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2567 wchar_t wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2568 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2569 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2570 count = mbrtowc (&wc, arg, arg_end - arg, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2571 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2572 count = mbtowc (&wc, arg, arg_end - arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2573 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2574 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2575 /* mbrtowc not consistent with mbrlen, or mbtowc
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2576 not consistent with mblen. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2577 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2578 result[length++] = wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2579 arg += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2580 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2581 if (!(arg == arg_end))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2582 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2583 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2584 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2585 {
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2586 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2587 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2588 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2589 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2590 while (arg < arg_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2591 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2592 wchar_t wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2593 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2594 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2595 count = mbrtowc (&wc, arg, arg_end - arg, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2596 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2597 count = mbtowc (&wc, arg, arg_end - arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2598 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2599 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2600 /* mbrtowc not consistent with mbrlen, or mbtowc
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2601 not consistent with mblen. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2602 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2603 ENSURE_ALLOCATION (xsum (length, 1));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2604 result[length++] = wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2605 arg += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2606 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2607 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2608
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2609 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2610 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2611 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2612 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2613 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2614 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2615 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2616 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2617 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2618 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2619 /* %ls in vasnprintf. See the specification of fprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2620 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2621 const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2622 const wchar_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2623 size_t characters;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2624 # if !DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2625 /* This code assumes that TCHAR_T is 'char'. */
13788 6f8ee3f6161c rewrite int foo[2X-1] to verify(X) or to int foo[X?1:-1] Paul Eggert <eggert@cs.ucla.edu>* parents: 13323 diff changeset	2626 verify (sizeof (TCHAR_T) == 1);
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2627 TCHAR_T *tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2628 DCHAR_T *tmpdst;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2629 size_t tmpdst_len;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2630 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2631 size_t w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2632
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2633 if (has_precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2634 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2635 /* Use only as many wide characters as needed to produce
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2636 at most PRECISION bytes, from the left. */
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2637 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2638 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2639 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2640 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2641 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2642 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2643 while (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2644 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2645 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2646 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2647
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2648 if (*arg_end == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2649 /* Found the terminating null wide character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2650 break;
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2651 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2652 count = wcrtomb (cbuf, *arg_end, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2653 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2654 count = wctomb (cbuf, *arg_end);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2655 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2656 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2657 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2658 /* Cannot convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2659 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2660 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2661 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2662 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2663 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2664 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2665 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2666 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2667 if (precision < count)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2668 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2669 arg_end++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2670 characters += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2671 precision -= count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2672 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2673 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2674 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2675 else if (has_width)
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2676 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2677 else
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2678 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2679 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2680 /* Use the entire string, and count the number of
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2681 bytes. */
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2682 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2683 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2684 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2685 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2686 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2687 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2688 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2689 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2690 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2691 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2692
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2693 if (*arg_end == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2694 /* Found the terminating null wide character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2695 break;
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2696 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2697 count = wcrtomb (cbuf, *arg_end, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2698 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2699 count = wctomb (cbuf, *arg_end);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2700 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2701 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2702 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2703 /* Cannot convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2704 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2705 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2706 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2707 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2708 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2709 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2710 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2711 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2712 arg_end++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2713 characters += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2714 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2715 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2716 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2717 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2718 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2719 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2720 arg_end = arg + local_wcslen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2721 /* The number of bytes doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2722 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2723 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2724 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2725
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2726 # if !DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2727 /* Convert the string into a piece of temporary memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2728 tmpsrc = (TCHAR_T ) malloc (characters sizeof (TCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2729 if (tmpsrc == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2730 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2731 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2732 TCHAR_T *tmpptr = tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2733 size_t remaining;
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2734 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2735 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2736 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2737 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2738 for (remaining = characters; remaining > 0; )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2739 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2740 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2741 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2742
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2743 if (*arg == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2744 abort ();
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2745 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2746 count = wcrtomb (cbuf, *arg, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2747 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2748 count = wctomb (cbuf, *arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2749 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2750 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2751 /* Inconsistency. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2752 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2753 memcpy (tmpptr, cbuf, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2754 tmpptr += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2755 arg++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2756 remaining -= count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2757 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2758 if (!(arg == arg_end))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2759 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2760 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2761
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2762 /* Convert from TCHAR_T[] to DCHAR_T[]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2763 tmpdst =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2764 DCHAR_CONV_FROM_ENCODING (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2765 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2766 tmpsrc, characters,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2767 NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2768 NULL, &tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2769 if (tmpdst == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2770 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2771 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2772 free (tmpsrc);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2773 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2774 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2775 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2776 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2777 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2778 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2779 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2780 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2781 free (tmpsrc);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2782 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2783
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2784 if (has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2785 {
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2786 # if ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2787 /* Outside POSIX, it's preferrable to compare the width
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2788 against the number of _characters_ of the converted
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2789 value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2790 w = DCHAR_MBSNLEN (result + length, characters);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2791 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2792 /* The width is compared against the number of _bytes_
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2793 of the converted value, says POSIX. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2794 w = characters;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2795 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2796 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2797 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2798 /* w doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2799 w = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2800
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2801 if (has_width && width > w
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2802 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2803 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2804 size_t n = width - w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2805 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2806 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2807 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2808 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2809
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2810 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2811 if (has_precision \|\| has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2812 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2813 /* We know the number of bytes in advance. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2814 size_t remaining;
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2815 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2816 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2817 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2818 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2819 ENSURE_ALLOCATION (xsum (length, characters));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2820 for (remaining = characters; remaining > 0; )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2821 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2822 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2823 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2824
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2825 if (*arg == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2826 abort ();
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2827 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2828 count = wcrtomb (cbuf, *arg, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2829 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2830 count = wctomb (cbuf, *arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2831 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2832 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2833 /* Inconsistency. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2834 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2835 memcpy (result + length, cbuf, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2836 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2837 arg++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2838 remaining -= count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2839 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2840 if (!(arg == arg_end))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2841 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2842 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2843 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2844 {
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2845 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2846 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2847 memset (&state, '\0', sizeof (mbstate_t));
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2848 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2849 while (arg < arg_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2850 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2851 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2852 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2853
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2854 if (*arg == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2855 abort ();
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2856 # if HAVE_WCRTOMB && !defined GNULIB_defined_mbstate_t
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2857 count = wcrtomb (cbuf, *arg, &state);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2858 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2859 count = wctomb (cbuf, *arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2860 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2861 if (count <= 0)
13198 2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2862 {
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2863 /* Cannot convert. */
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2864 if (!(result == resultbuf \|\| result == NULL))
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2865 free (result);
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2866 if (buf_malloced != NULL)
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2867 free (buf_malloced);
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2868 CLEANUP ();
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2869 errno = EILSEQ;
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2870 return NULL;
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2871 }
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2872 ENSURE_ALLOCATION (xsum (length, count));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2873 memcpy (result + length, cbuf, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2874 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2875 arg++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2876 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2877 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2878 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2879 ENSURE_ALLOCATION (xsum (length, tmpdst_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2880 DCHAR_CPY (result + length, tmpdst, tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2881 free (tmpdst);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2882 length += tmpdst_len;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2883 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2884
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2885 if (has_width && width > w
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2886 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2887 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2888 size_t n = width - w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2889 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2890 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2891 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2892 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2893 }
13323 cbb76cf0c6f1 vasnprintf: Fix syntax errors in libintl build on mingw. Bruno Haible <bruno@clisp.org> parents: 13259 diff changeset	2894 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2895 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2896 #endif
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2897 #if (NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2898 else if ((dp->conversion == 'a' \|\| dp->conversion == 'A')
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2899 # if !(NEED_PRINTF_DIRECTIVE_A \|\| (NEED_PRINTF_LONG_DOUBLE && NEED_PRINTF_DOUBLE))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2900 && (0
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2901 # if NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2902 \|\| a.arg[dp->arg_index].type == TYPE_DOUBLE
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2903 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2904 # if NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2905 \|\| a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2906 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2907 )
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2908 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2909 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2910 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2911 arg_type type = a.arg[dp->arg_index].type;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2912 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2913 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2914 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2915 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2916 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2917 size_t tmp_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2918 DCHAR_T tmpbuf[700];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2919 DCHAR_T *tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2920 DCHAR_T *pad_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2921 DCHAR_T *p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2922
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2923 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2924 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2925 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2926 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2927 if (dp->width_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2928 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2929 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2930
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2931 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2932 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2933 arg = a.arg[dp->width_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2934 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2935 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2936 /* "A negative field width is taken as a '-' flag
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2937 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2938 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2939 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2940 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2941 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2942 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2943 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2944 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2945 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2946 const FCHAR_T *digitp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2947
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2948 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2949 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2950 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2951 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2952 has_width = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2953 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2954
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2955 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2956 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2957 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2958 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2959 if (dp->precision_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2960 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2961 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2962
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2963 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2964 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2965 arg = a.arg[dp->precision_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2966 /* "A negative precision is taken as if the precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2967 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2968 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2969 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2970 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2971 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2972 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2973 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2974 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2975 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2976 const FCHAR_T *digitp = dp->precision_start + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2977
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2978 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2979 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2980 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2981 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2982 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2983 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2984
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2985 /* Allocate a temporary buffer of sufficient size. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2986 if (type == TYPE_LONGDOUBLE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2987 tmp_length =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2988 (unsigned int) ((LDBL_DIG + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2989 * 0.831 /* decimal -> hexadecimal */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2990 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2991 + 1; /* turn floor into ceil */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2992 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2993 tmp_length =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2994 (unsigned int) ((DBL_DIG + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2995 * 0.831 /* decimal -> hexadecimal */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2996 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2997 + 1; /* turn floor into ceil */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2998 if (tmp_length < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2999 tmp_length = precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3000 /* Account for sign, decimal point etc. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3001 tmp_length = xsum (tmp_length, 12);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3002
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3003 if (tmp_length < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3004 tmp_length = width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3005
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3006 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3007
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3008 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3009 tmp = tmpbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3010 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3011 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3012 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3013
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3014 if (size_overflow_p (tmp_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3015 /* Overflow, would lead to out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3016 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3017 tmp = (DCHAR_T *) malloc (tmp_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3018 if (tmp == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3019 /* Out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3020 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3021 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3022
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3023 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3024 p = tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3025 if (type == TYPE_LONGDOUBLE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3026 {
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3027 # if NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3028 long double arg = a.arg[dp->arg_index].a.a_longdouble;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3029
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3030 if (isnanl (arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3031 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3032 if (dp->conversion == 'A')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3033 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3034 p++ = 'N'; p++ = 'A'; *p++ = 'N';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3035 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3036 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3037 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3038 p++ = 'n'; p++ = 'a'; *p++ = 'n';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3039 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3040 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3041 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3042 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3043 int sign = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3044 DECL_LONG_DOUBLE_ROUNDING
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3045
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3046 BEGIN_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3047
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3048 if (signbit (arg)) /* arg < 0.0L or negative zero */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3049 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3050 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3051 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3052 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3053
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3054 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3055 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3056 else if (flags & FLAG_SHOWSIGN)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3057 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3058 else if (flags & FLAG_SPACE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3059 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3060
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3061 if (arg > 0.0L && arg + arg == arg)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3062 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3063 if (dp->conversion == 'A')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3064 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3065 p++ = 'I'; p++ = 'N'; *p++ = 'F';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3066 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3067 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3068 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3069 p++ = 'i'; p++ = 'n'; *p++ = 'f';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3070 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3071 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3072 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3073 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3074 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3075 long double mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3076
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3077 if (arg > 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3078 mantissa = printf_frexpl (arg, &exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3079 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3080 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3081 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3082 mantissa = 0.0L;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3083 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3084
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3085 if (has_precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3086 && precision < (unsigned int) ((LDBL_DIG + 1) * 0.831) + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3087 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3088 /* Round the mantissa. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3089 long double tail = mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3090 size_t q;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3091
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3092 for (q = precision; ; q--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3093 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3094 int digit = (int) tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3095 tail -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3096 if (q == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3097 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3098 if (digit & 1 ? tail >= 0.5L : tail > 0.5L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3099 tail = 1 - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3100 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3101 tail = - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3102 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3103 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3104 tail *= 16.0L;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3105 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3106 if (tail != 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3107 for (q = precision; q > 0; q--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3108 tail *= 0.0625L;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3109 mantissa += tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3110 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3111
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3112 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3113 *p++ = dp->conversion - 'A' + 'X';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3114 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3115 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3116 int digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3117
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3118 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3119 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3120 *p++ = '0' + digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3121 if ((flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3122 \|\| mantissa > 0.0L \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3123 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3124 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3125 /* This loop terminates because we assume
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3126 that FLT_RADIX is a power of 2. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3127 while (mantissa > 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3128 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3129 mantissa *= 16.0L;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3130 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3131 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3132 *p++ = digit
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3133 + (digit < 10
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3134 ? '0'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3135 : dp->conversion - 10);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3136 if (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3137 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3138 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3139 while (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3140 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3141 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3142 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3143 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3144 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3145 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3146 *p++ = dp->conversion - 'A' + 'P';
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3147 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3148 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3149 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3150 { '%', '+', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3151 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3152 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3153 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3154 p++;
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3155 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3156 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3157 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3158 sprintf ((char *) p, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3159 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3160 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3161 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3162 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3163 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3164 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3165 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3166 sprintf (expbuf, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3167 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3168 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3169 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3170 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3171 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3172
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3173 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3174 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3175 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3176 abort ();
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3177 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3178 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3179 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3180 {
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3181 # if NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3182 double arg = a.arg[dp->arg_index].a.a_double;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3183
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3184 if (isnand (arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3185 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3186 if (dp->conversion == 'A')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3187 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3188 p++ = 'N'; p++ = 'A'; *p++ = 'N';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3189 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3190 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3191 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3192 p++ = 'n'; p++ = 'a'; *p++ = 'n';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3193 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3194 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3195 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3196 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3197 int sign = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3198
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3199 if (signbit (arg)) /* arg < 0.0 or negative zero */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3200 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3201 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3202 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3203 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3204
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3205 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3206 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3207 else if (flags & FLAG_SHOWSIGN)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3208 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3209 else if (flags & FLAG_SPACE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3210 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3211
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3212 if (arg > 0.0 && arg + arg == arg)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3213 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3214 if (dp->conversion == 'A')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3215 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3216 p++ = 'I'; p++ = 'N'; *p++ = 'F';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3217 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3218 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3219 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3220 p++ = 'i'; p++ = 'n'; *p++ = 'f';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3221 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3222 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3223 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3224 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3225 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3226 double mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3227
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3228 if (arg > 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3229 mantissa = printf_frexp (arg, &exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3230 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3231 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3232 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3233 mantissa = 0.0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3234 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3235
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3236 if (has_precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3237 && precision < (unsigned int) ((DBL_DIG + 1) * 0.831) + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3238 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3239 /* Round the mantissa. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3240 double tail = mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3241 size_t q;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3242
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3243 for (q = precision; ; q--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3244 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3245 int digit = (int) tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3246 tail -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3247 if (q == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3248 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3249 if (digit & 1 ? tail >= 0.5 : tail > 0.5)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3250 tail = 1 - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3251 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3252 tail = - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3253 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3254 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3255 tail *= 16.0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3256 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3257 if (tail != 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3258 for (q = precision; q > 0; q--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3259 tail *= 0.0625;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3260 mantissa += tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3261 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3262
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3263 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3264 *p++ = dp->conversion - 'A' + 'X';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3265 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3266 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3267 int digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3268
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3269 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3270 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3271 *p++ = '0' + digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3272 if ((flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3273 \|\| mantissa > 0.0 \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3274 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3275 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3276 /* This loop terminates because we assume
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3277 that FLT_RADIX is a power of 2. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3278 while (mantissa > 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3279 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3280 mantissa *= 16.0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3281 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3282 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3283 *p++ = digit
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3284 + (digit < 10
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3285 ? '0'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3286 : dp->conversion - 10);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3287 if (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3288 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3289 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3290 while (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3291 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3292 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3293 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3294 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3295 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3296 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3297 *p++ = dp->conversion - 'A' + 'P';
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3298 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3299 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3300 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3301 { '%', '+', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3302 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3303 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3304 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3305 p++;
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3306 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3307 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3308 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3309 sprintf ((char *) p, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3310 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3311 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3312 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3313 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3314 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3315 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3316 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3317 sprintf (expbuf, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3318 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3319 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3320 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3321 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3322 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3323 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3324 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3325 abort ();
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3326 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3327 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3328 /* The generated string now extends from tmp to p, with the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3329 zero padding insertion point being at pad_ptr. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3330 if (has_width && p - tmp < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3331 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3332 size_t pad = width - (p - tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3333 DCHAR_T *end = p + pad;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3334
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3335 if (flags & FLAG_LEFT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3336 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3337 /* Pad with spaces on the right. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3338 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3339 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3340 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3341 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3342 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3343 /* Pad with zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3344 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3345
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3346 while (p > pad_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3347 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3348 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3349 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3350 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3351 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3352 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3353 /* Pad with spaces on the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3354 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3355
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3356 while (p > tmp)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3357 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3358 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3359 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3360 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3361
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3362 p = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3363 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3364
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3365 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3366 size_t count = p - tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3367
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3368 if (count >= tmp_length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3369 /* tmp_length was incorrectly calculated - fix the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3370 code above! */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3371 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3372
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3373 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3374 if (count >= allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3375 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3376 size_t n = xsum (length, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3377
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3378 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3379 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3380
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3381 /* Append the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3382 memcpy (result + length, tmp, count * sizeof (DCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3383 if (tmp != tmpbuf)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3384 free (tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3385 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3386 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3387 }
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	3388 #endif
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3389 #if (NEED_PRINTF_INFINITE_DOUBLE \|\| NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE \|\| NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3390 else if ((dp->conversion == 'f' \|\| dp->conversion == 'F'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3391 \|\| dp->conversion == 'e' \|\| dp->conversion == 'E'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3392 \|\| dp->conversion == 'g' \|\| dp->conversion == 'G'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3393 \|\| dp->conversion == 'a' \|\| dp->conversion == 'A')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3394 && (0
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3395 # if NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3396 \|\| a.arg[dp->arg_index].type == TYPE_DOUBLE
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3397 # elif NEED_PRINTF_INFINITE_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3398 \|\| (a.arg[dp->arg_index].type == TYPE_DOUBLE
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3399 /* The systems (mingw) which produce wrong output
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3400 for Inf, -Inf, and NaN also do so for -0.0.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3401 Therefore we treat this case here as well. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3402 && is_infinite_or_zero (a.arg[dp->arg_index].a.a_double))
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3403 # endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3404 # if NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3405 \|\| a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3406 # elif NEED_PRINTF_INFINITE_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3407 \|\| (a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3408 /* Some systems produce wrong output for Inf,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3409 -Inf, and NaN. Some systems in this category
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3410 (IRIX 5.3) also do so for -0.0. Therefore we
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3411 treat this case here as well. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3412 && is_infinite_or_zerol (a.arg[dp->arg_index].a.a_longdouble))
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3413 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3414 ))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3415 {
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3416 # if (NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE) && (NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3417 arg_type type = a.arg[dp->arg_index].type;
8846 6fe000202977 Fix a warning in last patch. Bruno Haible <bruno@clisp.org> parents: 8840 diff changeset	3418 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3419 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3420 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3421 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3422 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3423 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3424 size_t tmp_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3425 DCHAR_T tmpbuf[700];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3426 DCHAR_T *tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3427 DCHAR_T *pad_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3428 DCHAR_T *p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3429
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3430 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3431 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3432 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3433 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3434 if (dp->width_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3435 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3436 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3437
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3438 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3439 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3440 arg = a.arg[dp->width_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3441 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3442 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3443 /* "A negative field width is taken as a '-' flag
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3444 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3445 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3446 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3447 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3448 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3449 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3450 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3451 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3452 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3453 const FCHAR_T *digitp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3454
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3455 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3456 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3457 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3458 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3459 has_width = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3460 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3461
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3462 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3463 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3464 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3465 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3466 if (dp->precision_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3467 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3468 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3469
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3470 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3471 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3472 arg = a.arg[dp->precision_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3473 /* "A negative precision is taken as if the precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3474 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3475 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3476 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3477 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3478 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3479 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3480 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3481 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3482 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3483 const FCHAR_T *digitp = dp->precision_start + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3484
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3485 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3486 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3487 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3488 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3489 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3490 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3491
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3492 /* POSIX specifies the default precision to be 6 for %f, %F,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3493 %e, %E, but not for %g, %G. Implementations appear to use
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3494 the same default precision also for %g, %G. But for %a, %A,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3495 the default precision is 0. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3496 if (!has_precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3497 if (!(dp->conversion == 'a' \|\| dp->conversion == 'A'))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3498 precision = 6;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3499
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3500 /* Allocate a temporary buffer of sufficient size. */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3501 # if NEED_PRINTF_DOUBLE && NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3502 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : DBL_DIG + 1);
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3503 # elif NEED_PRINTF_INFINITE_DOUBLE && NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3504 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : 0);
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3505 # elif NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3506 tmp_length = LDBL_DIG + 1;
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3507 # elif NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3508 tmp_length = DBL_DIG + 1;
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3509 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3510 tmp_length = 0;
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3511 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3512 if (tmp_length < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3513 tmp_length = precision;
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3514 # if NEED_PRINTF_LONG_DOUBLE
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3515 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3516 if (type == TYPE_LONGDOUBLE)
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3517 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3518 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3519 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3520 long double arg = a.arg[dp->arg_index].a.a_longdouble;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3521 if (!(isnanl (arg) \|\| arg + arg == arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3522 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3523 /* arg is finite and nonzero. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3524 int exponent = floorlog10l (arg < 0 ? -arg : arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3525 if (exponent >= 0 && tmp_length < exponent + precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3526 tmp_length = exponent + precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3527 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3528 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3529 # endif
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3530 # if NEED_PRINTF_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3531 # if NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3532 if (type == TYPE_DOUBLE)
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3533 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3534 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3535 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3536 double arg = a.arg[dp->arg_index].a.a_double;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3537 if (!(isnand (arg) \|\| arg + arg == arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3538 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3539 /* arg is finite and nonzero. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3540 int exponent = floorlog10 (arg < 0 ? -arg : arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3541 if (exponent >= 0 && tmp_length < exponent + precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3542 tmp_length = exponent + precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3543 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3544 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3545 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3546 /* Account for sign, decimal point etc. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3547 tmp_length = xsum (tmp_length, 12);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3548
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3549 if (tmp_length < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3550 tmp_length = width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3551
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3552 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3553
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3554 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3555 tmp = tmpbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3556 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3557 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3558 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3559
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3560 if (size_overflow_p (tmp_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3561 /* Overflow, would lead to out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3562 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3563 tmp = (DCHAR_T *) malloc (tmp_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3564 if (tmp == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3565 /* Out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3566 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3567 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3568
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3569 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3570 p = tmp;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3571
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3572 # if NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3573 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3574 if (type == TYPE_LONGDOUBLE)
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3575 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3576 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3577 long double arg = a.arg[dp->arg_index].a.a_longdouble;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3578
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3579 if (isnanl (arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3580 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3581 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3582 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3583 p++ = 'N'; p++ = 'A'; *p++ = 'N';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3584 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3585 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3586 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3587 p++ = 'n'; p++ = 'a'; *p++ = 'n';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3588 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3589 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3590 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3591 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3592 int sign = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3593 DECL_LONG_DOUBLE_ROUNDING
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3594
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3595 BEGIN_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3596
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3597 if (signbit (arg)) /* arg < 0.0L or negative zero */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3598 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3599 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3600 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3601 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3602
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3603 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3604 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3605 else if (flags & FLAG_SHOWSIGN)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3606 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3607 else if (flags & FLAG_SPACE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3608 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3609
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3610 if (arg > 0.0L && arg + arg == arg)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3611 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3612 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3613 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3614 p++ = 'I'; p++ = 'N'; *p++ = 'F';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3615 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3616 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3617 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3618 p++ = 'i'; p++ = 'n'; *p++ = 'f';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3619 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3620 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3621 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3622 {
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3623 # if NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3624 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3625
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3626 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3627 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3628 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3629 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3630
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3631 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3632 scale10_round_decimal_long_double (arg, precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3633 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3634 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3635 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3636 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3637 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3638 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3639
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3640 if (ndigits > precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3641 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3642 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3643 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3644 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3645 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3646 while (ndigits > precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3647 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3648 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3649 /* Here ndigits <= precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3650 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3651 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3652 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3653 for (; precision > ndigits; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3654 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3655 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3656 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3657 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3658 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3659 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3660 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3661
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3662 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3663 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3664 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3665 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3666 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3667
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3668 if (arg == 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3669 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3670 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3671 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3672 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3673 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3674 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3675 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3676 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3677 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3678 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3679 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3680 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3681 /* arg > 0.0L. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3682 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3683 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3684 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3685
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3686 exponent = floorlog10l (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3687 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3688 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3689 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3690 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3691 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3692 (int)precision - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3693 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3694 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3695 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3696 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3697 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3698 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3699
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3700 if (ndigits == precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3701 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3702 if (ndigits < precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3703 \|\| ndigits > precision + 2)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3704 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3705 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3706 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3707 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3708 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3709 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3710 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3711 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3712 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3713 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3714 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3715 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3716 exponent += 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3717 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3718 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3719 /* Here ndigits = precision+1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3720 if (is_borderline (digits, precision))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3721 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3722 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3723 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3724 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3725 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3726 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3727 (int)precision - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3728 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3729 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3730 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3731 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3732 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3733 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3734 if (strlen (digits2) == precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3735 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3736 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3737 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3738 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3739 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3740 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3741 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3742 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3743 /* Here ndigits = precision+1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3744
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3745 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3746 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3747 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3748 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3749 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3750 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3751 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3752 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3753 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3754 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3755
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3756 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3757 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3758
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3759 p++ = dp->conversion; / 'e' or 'E' */
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3760 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3761 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3762 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3763 { '%', '+', '.', '2', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3764 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3765 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3766 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3767 p++;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3768 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3769 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3770 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3771 sprintf ((char *) p, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3772 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3773 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3774 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3775 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3776 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3777 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3778 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3779 sprintf (expbuf, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3780 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3781 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3782 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3783 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3784 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3785 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3786 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3787 if (precision == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3788 precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3789 /* precision >= 1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3790
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3791 if (arg == 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3792 /* The exponent is 0, >= -4, < precision.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3793 Use fixed-point notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3794 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3795 size_t ndigits = precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3796 /* Number of trailing zeroes that have to be
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3797 dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3798 size_t nzeroes =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3799 (flags & FLAG_ALT ? 0 : precision - 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3800
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3801 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3802 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3803 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3804 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3805 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3806 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3807 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3808 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3809 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3810 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3811 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3812 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3813 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3814 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3815 /* arg > 0.0L. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3816 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3817 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3818 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3819 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3820 size_t nzeroes;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3821
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3822 exponent = floorlog10l (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3823 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3824 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3825 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3826 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3827 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3828 (int)(precision - 1) - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3829 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3830 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3831 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3832 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3833 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3834 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3835
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3836 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3837 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3838 if (ndigits < precision - 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3839 \|\| ndigits > precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3840 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3841 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3842 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3843 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3844 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3845 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3846 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3847 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3848 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3849 if (ndigits < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3850 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3851 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3852 exponent += 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3853 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3854 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3855 /* Here ndigits = precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3856 if (is_borderline (digits, precision - 1))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3857 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3858 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3859 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3860 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3861 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3862 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3863 (int)(precision - 1) - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3864 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3865 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3866 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3867 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3868 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3869 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3870 if (strlen (digits2) == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3871 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3872 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3873 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3874 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3875 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3876 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3877 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3878 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3879 /* Here ndigits = precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3880
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3881 /* Determine the number of trailing zeroes
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3882 that have to be dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3883 nzeroes = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3884 if ((flags & FLAG_ALT) == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3885 while (nzeroes < ndigits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3886 && digits[nzeroes] == '0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3887 nzeroes++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3888
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3889 /* The exponent is now determined. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3890 if (exponent >= -4
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3891 && exponent < (long)precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3892 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3893 /* Fixed-point notation:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3894 max(exponent,0)+1 digits, then the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3895 decimal point, then the remaining
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3896 digits without trailing zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3897 if (exponent >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3898 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3899 size_t count = exponent + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3900 /* Note: count <= precision = ndigits. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3901 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3902 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3903 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3904 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3905 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3906 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3907 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3908 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3909 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3910 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3911 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3912 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3913 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3914 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3915 size_t count = -exponent - 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3916 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3917 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3918 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3919 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3920 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3921 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3922 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3923 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3924 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3925 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3926 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3927 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3928 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3929 /* Exponential notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3930 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3931 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3932 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3933 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3934 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3935 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3936 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3937 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3938 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3939 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3940 p++ = dp->conversion - 'G' + 'E'; / 'e' or 'E' */
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3941 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3942 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3943 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3944 { '%', '+', '.', '2', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3945 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3946 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3947 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3948 p++;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3949 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3950 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3951 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3952 sprintf ((char *) p, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3953 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3954 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3955 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3956 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3957 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3958 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3959 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3960 sprintf (expbuf, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3961 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3962 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3963 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3964 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3965 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3966
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3967 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3968 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3969 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3970 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3971 abort ();
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3972 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3973 /* arg is finite. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3974 if (!(arg == 0.0L))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3975 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3976
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3977 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3978
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3979 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3980 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3981 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3982 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3983 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3984 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3985 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3986 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3987 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3988 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3989 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3990 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3991 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3992 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3993 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3994 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3995 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3996 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3997 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3998 p++ = dp->conversion; / 'e' or 'E' */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3999 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4000 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4001 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4002 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4003 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4004 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4005 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4006 if (flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4007 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4008 size_t ndigits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4009 (precision > 0 ? precision - 1 : 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4010 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4011 for (; ndigits > 0; --ndigits)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4012 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4013 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4014 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4015 else if (dp->conversion == 'a' \|\| dp->conversion == 'A')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4016 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4017 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4018 *p++ = dp->conversion - 'A' + 'X';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4019 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4020 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4021 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4022 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4023 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4024 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4025 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4026 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4027 *p++ = dp->conversion - 'A' + 'P';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4028 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4029 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4030 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4031 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4032 abort ();
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	4033 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4034 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4035
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4036 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4037 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4038 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4039 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4040 else
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	4041 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	4042 # endif
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4043 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4044 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4045 double arg = a.arg[dp->arg_index].a.a_double;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4046
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4047 if (isnand (arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4048 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4049 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4050 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4051 p++ = 'N'; p++ = 'A'; *p++ = 'N';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4052 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4053 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4054 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4055 p++ = 'n'; p++ = 'a'; *p++ = 'n';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4056 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4057 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4058 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4059 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4060 int sign = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4061
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4062 if (signbit (arg)) /* arg < 0.0 or negative zero */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4063 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4064 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4065 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4066 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4067
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4068 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4069 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4070 else if (flags & FLAG_SHOWSIGN)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4071 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4072 else if (flags & FLAG_SPACE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4073 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4074
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4075 if (arg > 0.0 && arg + arg == arg)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4076 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4077 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4078 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4079 p++ = 'I'; p++ = 'N'; *p++ = 'F';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4080 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4081 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4082 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4083 p++ = 'i'; p++ = 'n'; *p++ = 'f';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4084 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4085 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4086 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4087 {
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4088 # if NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4089 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4090
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4091 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4092 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4093 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4094 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4095
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4096 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4097 scale10_round_decimal_double (arg, precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4098 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4099 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4100 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4101
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4102 if (ndigits > precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4103 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4104 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4105 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4106 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4107 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4108 while (ndigits > precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4109 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4110 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4111 /* Here ndigits <= precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4112 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4113 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4114 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4115 for (; precision > ndigits; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4116 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4117 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4118 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4119 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4120 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4121 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4122 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4123
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4124 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4125 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4126 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4127 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4128 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4129
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4130 if (arg == 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4131 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4132 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4133 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4134 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4135 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4136 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4137 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4138 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4139 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4140 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4141 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4142 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4143 /* arg > 0.0. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4144 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4145 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4146 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4147
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4148 exponent = floorlog10 (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4149 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4150 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4151 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4152 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4153 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4154 (int)precision - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4155 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4156 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4157 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4158
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4159 if (ndigits == precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4160 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4161 if (ndigits < precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4162 \|\| ndigits > precision + 2)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4163 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4164 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4165 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4166 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4167 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4168 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4169 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4170 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4171 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4172 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4173 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4174 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4175 exponent += 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4176 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4177 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4178 /* Here ndigits = precision+1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4179 if (is_borderline (digits, precision))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4180 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4181 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4182 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4183 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4184 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4185 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4186 (int)precision - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4187 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4188 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4189 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4190 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4191 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4192 if (strlen (digits2) == precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4193 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4194 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4195 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4196 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4197 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4198 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4199 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4200 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4201 /* Here ndigits = precision+1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4202
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4203 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4204 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4205 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4206 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4207 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4208 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4209 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4210 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4211 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4212 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4213
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4214 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4215 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4216
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4217 p++ = dp->conversion; / 'e' or 'E' */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4218 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4219 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4220 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4221 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4222 as the native printf implementation. */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4223 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4224 { '%', '+', '.', '3', 'd', '\0' };
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4225 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4226 { '%', '+', '.', '2', 'd', '\0' };
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4227 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4228 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4229 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4230 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4231 p++;
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4232 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4233 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4234 static const char decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4235 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4236 as the native printf implementation. */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4237 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4238 "%+.3d";
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4239 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4240 "%+.2d";
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4241 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4242 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4243 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4244 sprintf ((char *) p, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4245 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4246 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4247 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4248 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4249 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4250 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4251 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4252 sprintf (expbuf, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4253 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4254 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4255 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4256 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4257 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4258 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4259 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4260 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4261 if (precision == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4262 precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4263 /* precision >= 1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4264
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4265 if (arg == 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4266 /* The exponent is 0, >= -4, < precision.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4267 Use fixed-point notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4268 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4269 size_t ndigits = precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4270 /* Number of trailing zeroes that have to be
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4271 dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4272 size_t nzeroes =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4273 (flags & FLAG_ALT ? 0 : precision - 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4274
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4275 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4276 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4277 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4278 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4279 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4280 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4281 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4282 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4283 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4284 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4285 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4286 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4287 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4288 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4289 /* arg > 0.0. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4290 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4291 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4292 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4293 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4294 size_t nzeroes;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4295
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4296 exponent = floorlog10 (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4297 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4298 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4299 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4300 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4301 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4302 (int)(precision - 1) - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4303 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4304 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4305 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4306
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4307 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4308 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4309 if (ndigits < precision - 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4310 \|\| ndigits > precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4311 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4312 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4313 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4314 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4315 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4316 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4317 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4318 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4319 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4320 if (ndigits < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4321 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4322 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4323 exponent += 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4324 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4325 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4326 /* Here ndigits = precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4327 if (is_borderline (digits, precision - 1))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4328 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4329 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4330 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4331 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4332 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4333 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4334 (int)(precision - 1) - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4335 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4336 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4337 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4338 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4339 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4340 if (strlen (digits2) == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4341 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4342 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4343 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4344 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4345 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4346 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4347 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4348 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4349 /* Here ndigits = precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4350
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4351 /* Determine the number of trailing zeroes
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4352 that have to be dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4353 nzeroes = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4354 if ((flags & FLAG_ALT) == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4355 while (nzeroes < ndigits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4356 && digits[nzeroes] == '0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4357 nzeroes++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4358
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4359 /* The exponent is now determined. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4360 if (exponent >= -4
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4361 && exponent < (long)precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4362 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4363 /* Fixed-point notation:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4364 max(exponent,0)+1 digits, then the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4365 decimal point, then the remaining
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4366 digits without trailing zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4367 if (exponent >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4368 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4369 size_t count = exponent + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4370 /* Note: count <= precision = ndigits. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4371 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4372 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4373 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4374 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4375 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4376 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4377 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4378 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4379 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4380 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4381 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4382 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4383 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4384 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4385 size_t count = -exponent - 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4386 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4387 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4388 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4389 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4390 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4391 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4392 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4393 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4394 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4395 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4396 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4397 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4398 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4399 /* Exponential notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4400 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4401 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4402 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4403 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4404 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4405 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4406 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4407 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4408 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4409 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4410 p++ = dp->conversion - 'G' + 'E'; / 'e' or 'E' */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4411 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4412 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4413 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4414 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4415 as the native printf implementation. */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4416 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4417 { '%', '+', '.', '3', 'd', '\0' };
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4418 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4419 { '%', '+', '.', '2', 'd', '\0' };
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4420 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4421 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4422 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4423 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4424 p++;
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4425 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4426 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4427 static const char decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4428 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4429 as the native printf implementation. */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4430 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4431 "%+.3d";
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4432 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4433 "%+.2d";
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4434 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4435 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4436 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4437 sprintf ((char *) p, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4438 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4439 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4440 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4441 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4442 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4443 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4444 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4445 sprintf (expbuf, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4446 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4447 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4448 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4449 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4450 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4451 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4452
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4453 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4454 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4455 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4456 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4457 abort ();
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4458 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4459 /* arg is finite. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4460 if (!(arg == 0.0))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4461 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4462
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4463 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4464
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4465 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4466 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4467 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4468 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4469 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4470 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4471 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4472 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4473 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4474 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4475 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4476 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4477 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4478 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4479 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4480 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4481 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4482 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4483 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4484 p++ = dp->conversion; / 'e' or 'E' */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4485 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4486 /* Produce the same number of exponent digits as
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4487 the native printf implementation. */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4488 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4489 *p++ = '0';
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4490 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4491 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4492 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4493 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4494 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4495 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4496 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4497 if (flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4498 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4499 size_t ndigits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4500 (precision > 0 ? precision - 1 : 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4501 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4502 for (; ndigits > 0; --ndigits)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4503 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4504 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4505 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4506 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4507 abort ();
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4508 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4509 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4510 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4511 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	4512 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	4513
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4514 /* The generated string now extends from tmp to p, with the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4515 zero padding insertion point being at pad_ptr. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4516 if (has_width && p - tmp < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4517 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4518 size_t pad = width - (p - tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4519 DCHAR_T *end = p + pad;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4520
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4521 if (flags & FLAG_LEFT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4522 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4523 /* Pad with spaces on the right. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4524 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4525 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4526 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4527 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4528 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4529 /* Pad with zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4530 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4531
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4532 while (p > pad_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4533 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4534 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4535 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4536 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4537 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4538 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4539 /* Pad with spaces on the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4540 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4541
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4542 while (p > tmp)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4543 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4544 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4545 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4546 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4547
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4548 p = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4549 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4550
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4551 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4552 size_t count = p - tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4553
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4554 if (count >= tmp_length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4555 /* tmp_length was incorrectly calculated - fix the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4556 code above! */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4557 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4558
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4559 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4560 if (count >= allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4561 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4562 size_t n = xsum (length, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4563
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4564 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4565 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4566
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4567 /* Append the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4568 memcpy (result + length, tmp, count * sizeof (DCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4569 if (tmp != tmpbuf)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4570 free (tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4571 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4572 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4573 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	4574 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4575 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4576 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4577 arg_type type = a.arg[dp->arg_index].type;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4578 int flags = dp->flags;
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4579 #if !USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99 \|\| !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_LEFTADJUST \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4580 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4581 size_t width;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4582 #endif
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4583 #if !USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99 \|\| NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4584 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4585 size_t precision;
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4586 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4587 #if NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4588 int prec_ourselves;
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4589 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4590 # define prec_ourselves 0
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4591 #endif
9674 b69f1141e94f Fix printf behaviour regarding the left-adjust flag on HP-UX 10.20. Bruno Haible <bruno@clisp.org>* parents: 9672 diff changeset	4592 #if NEED_PRINTF_FLAG_LEFTADJUST
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4593 # define pad_ourselves 1
9674 b69f1141e94f Fix printf behaviour regarding the left-adjust flag on HP-UX 10.20. Bruno Haible <bruno@clisp.org>* parents: 9672 diff changeset	4594 #elif !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4595 int pad_ourselves;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4596 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4597 # define pad_ourselves 0
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4598 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4599 TCHAR_T *fbp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4600 unsigned int prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4601 int prefixes[2] IF_LINT (= { 0 });
13806 3468ff86245b vasnprintf: Don't set errno to 0. Bruno Haible <bruno@clisp.org> parents: 13788 diff changeset	4602 int orig_errno;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4603 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4604 size_t tmp_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4605 TCHAR_T tmpbuf[700];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4606 TCHAR_T *tmp;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4607 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4608
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4609 #if !USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99 \|\| !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_LEFTADJUST \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4610 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4611 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4612 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4613 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4614 if (dp->width_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4615 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4616 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4617
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4618 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4619 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4620 arg = a.arg[dp->width_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4621 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4622 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4623 /* "A negative field width is taken as a '-' flag
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4624 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4625 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4626 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4627 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4628 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4629 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4630 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4631 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4632 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4633 const FCHAR_T *digitp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4634
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4635 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4636 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4637 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4638 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4639 has_width = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4640 }
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4641 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4642
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4643 #if !USE_SNPRINTF \|\| !HAVE_SNPRINTF_RETVAL_C99 \|\| NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4644 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4645 precision = 6;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4646 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4647 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4648 if (dp->precision_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4649 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4650 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4651
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4652 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4653 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4654 arg = a.arg[dp->precision_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4655 /* "A negative precision is taken as if the precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4656 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4657 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4658 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4659 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4660 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4661 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4662 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4663 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4664 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4665 const FCHAR_T *digitp = dp->precision_start + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4666
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4667 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4668 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4669 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4670 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4671 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4672 }
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4673 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4674
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4675 /* Decide whether to handle the precision ourselves. */
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4676 #if NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4677 switch (dp->conversion)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4678 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4679 case 'd': case 'i': case 'u':
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4680 case 'o':
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4681 case 'x': case 'X': case 'p':
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4682 prec_ourselves = has_precision && (precision > 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4683 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4684 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4685 prec_ourselves = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4686 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4687 }
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4688 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4689
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4690 /* Decide whether to perform the padding ourselves. */
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4691 #if !NEED_PRINTF_FLAG_LEFTADJUST && (!DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4692 switch (dp->conversion)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4693 {
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4694 # if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4695 /* If we need conversion from TCHAR_T[] to DCHAR_T[], we need
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4696 to perform the padding after this conversion. Functions
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4697 with unistdio extensions perform the padding based on
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4698 character count rather than element count. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4699 case 'c': case 's':
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4700 # endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4701 # if NEED_PRINTF_FLAG_ZERO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4702 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4703 case 'a': case 'A':
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4704 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4705 pad_ourselves = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4706 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4707 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4708 pad_ourselves = prec_ourselves;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4709 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4710 }
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4711 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4712
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4713 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4714 /* Allocate a temporary buffer of sufficient size for calling
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4715 sprintf. */
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4716 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4717 MAX_ROOM_NEEDED (&a, dp->arg_index, dp->conversion, type,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4718 flags, width, has_precision, precision,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4719 pad_ourselves);
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4720
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4721 if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4722 tmp = tmpbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4723 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4724 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4725 size_t tmp_memsize = xtimes (tmp_length, sizeof (TCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4726
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4727 if (size_overflow_p (tmp_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4728 /* Overflow, would lead to out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4729 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4730 tmp = (TCHAR_T *) malloc (tmp_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4731 if (tmp == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4732 /* Out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4733 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4734 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4735 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4736
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4737 /* Construct the format string for calling snprintf or
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4738 sprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4739 fbp = buf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4740 *fbp++ = '%';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4741 #if NEED_PRINTF_FLAG_GROUPING
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4742 /* The underlying implementation doesn't support the ' flag.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4743 Produce no grouping characters in this case; this is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4744 acceptable because the grouping is locale dependent. */
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4745 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4746 if (flags & FLAG_GROUP)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4747 *fbp++ = '\'';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4748 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4749 if (flags & FLAG_LEFT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4750 *fbp++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4751 if (flags & FLAG_SHOWSIGN)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4752 *fbp++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4753 if (flags & FLAG_SPACE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4754 *fbp++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4755 if (flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4756 *fbp++ = '#';
13885 87a95303747f Port to uClibc. Bruno Haible <bruno@clisp.org> parents: 13883 diff changeset	4757 #if __GLIBC__ >= 2 && !defined __UCLIBC__
13841 05717fb89fa4 vasnprintf: Support I flag on glibc systems. Bruno Haible <bruno@clisp.org> parents: 13806 diff changeset	4758 if (flags & FLAG_LOCALIZED)
05717fb89fa4 vasnprintf: Support I flag on glibc systems. Bruno Haible <bruno@clisp.org> parents: 13806 diff changeset	4759 *fbp++ = 'I';
05717fb89fa4 vasnprintf: Support I flag on glibc systems. Bruno Haible <bruno@clisp.org> parents: 13806 diff changeset	4760 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4761 if (!pad_ourselves)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4762 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4763 if (flags & FLAG_ZERO)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4764 *fbp++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4765 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4766 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4767 size_t n = dp->width_end - dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4768 /* The width specification is known to consist only
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4769 of standard ASCII characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4770 if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4771 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4772 memcpy (fbp, dp->width_start, n * sizeof (TCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4773 fbp += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4774 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4775 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4776 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4777 const FCHAR_T *mp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4778 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4779 fbp++ = (unsigned char) mp++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4780 while (--n > 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4781 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4782 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4783 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4784 if (!prec_ourselves)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4785 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4786 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4787 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4788 size_t n = dp->precision_end - dp->precision_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4789 /* The precision specification is known to consist only
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4790 of standard ASCII characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4791 if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4792 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4793 memcpy (fbp, dp->precision_start, n * sizeof (TCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4794 fbp += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4795 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4796 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4797 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4798 const FCHAR_T *mp = dp->precision_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4799 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4800 fbp++ = (unsigned char) mp++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4801 while (--n > 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4802 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4803 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4804 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4805
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4806 switch (type)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4807 {
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4808 #if HAVE_LONG_LONG_INT
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4809 case TYPE_LONGLONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4810 case TYPE_ULONGLONGINT:
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4811 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4812 *fbp++ = 'I';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4813 *fbp++ = '6';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4814 *fbp++ = '4';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4815 break;
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4816 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4817 *fbp++ = 'l';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4818 /FALLTHROUGH/
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4819 # endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4820 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4821 case TYPE_LONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4822 case TYPE_ULONGINT:
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4823 #if HAVE_WINT_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4824 case TYPE_WIDE_CHAR:
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4825 #endif
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4826 #if HAVE_WCHAR_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4827 case TYPE_WIDE_STRING:
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4828 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4829 *fbp++ = 'l';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4830 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4831 case TYPE_LONGDOUBLE:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4832 *fbp++ = 'L';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4833 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4834 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4835 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4836 }
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4837 #if NEED_PRINTF_DIRECTIVE_F
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4838 if (dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4839 *fbp = 'f';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4840 else
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4841 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4842 *fbp = dp->conversion;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4843 #if USE_SNPRINTF
13885 87a95303747f Port to uClibc. Bruno Haible <bruno@clisp.org> parents: 13883 diff changeset	4844 # if !(((__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__) \|\| ((defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4845 fbp[1] = '%';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4846 fbp[2] = 'n';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4847 fbp[3] = '\0';
9361 40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4848 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4849 /* On glibc2 systems from glibc >= 2.3 - probably also older
13883 92b602471ee0 Fix a comment. Bruno Haible <bruno@clisp.org> parents: 13841 diff changeset	4850 ones - we know that snprintf's return value conforms to
92b602471ee0 Fix a comment. Bruno Haible <bruno@clisp.org> parents: 13841 diff changeset	4851 ISO C 99: the tests gl_SNPRINTF_RETVAL_C99 and
92b602471ee0 Fix a comment. Bruno Haible <bruno@clisp.org> parents: 13841 diff changeset	4852 gl_SNPRINTF_TRUNCATION_C99 pass.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4853 Therefore we can avoid using %n in this situation.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4854 On glibc2 systems from 2004-10-18 or newer, the use of %n
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4855 in format strings in writable memory may crash the program
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4856 (if compiled with _FORTIFY_SOURCE=2), so we should avoid it
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4857 in this situation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4858 /* On native Win32 systems (such as mingw), we can avoid using
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4859 %n because:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4860 - Although the gl_SNPRINTF_TRUNCATION_C99 test fails,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4861 snprintf does not write more than the specified number
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4862 of bytes. (snprintf (buf, 3, "%d %d", 4567, 89) writes
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4863 '4', '5', '6' into buf, not '4', '5', '\0'.)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4864 - Although the gl_SNPRINTF_RETVAL_C99 test fails, snprintf
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4865 allows us to recognize the case of an insufficient
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4866 buffer size: it returns -1 in this case.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4867 On native Win32 systems (such as mingw) where the OS is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4868 Windows Vista, the use of %n in format strings by default
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4869 crashes the program. See
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4870 <http://gcc.gnu.org/ml/gcc/2007-06/msg00122.html> and
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4871 <http://msdn2.microsoft.com/en-us/library/ms175782(VS.80).aspx>
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4872 So we should avoid %n in this situation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4873 fbp[1] = '\0';
9361 40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4874 # endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4875 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4876 fbp[1] = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4877 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4878
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4879 /* Construct the arguments for calling snprintf or sprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4880 prefix_count = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4881 if (!pad_ourselves && dp->width_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4882 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4883 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4884 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4885 prefixes[prefix_count++] = a.arg[dp->width_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4886 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4887 if (!prec_ourselves && dp->precision_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4888 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4889 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4890 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4891 prefixes[prefix_count++] = a.arg[dp->precision_arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4892 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4893
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4894 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4895 /* The SNPRINTF result is appended after result[0..length].
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4896 The latter is an array of DCHAR_T; SNPRINTF appends an
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4897 array of TCHAR_T to it. This is possible because
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4898 sizeof (TCHAR_T) divides sizeof (DCHAR_T) and
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4899 alignof (TCHAR_T) <= alignof (DCHAR_T). */
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4900 # define TCHARS_PER_DCHAR (sizeof (DCHAR_T) / sizeof (TCHAR_T))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4901 /* Ensure that maxlen below will be >= 2. Needed on BeOS,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4902 where an snprintf() with maxlen==1 acts like sprintf(). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4903 ENSURE_ALLOCATION (xsum (length,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4904 (2 + TCHARS_PER_DCHAR - 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4905 / TCHARS_PER_DCHAR));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4906 /* Prepare checking whether snprintf returns the count
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4907 via %n. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4908 (TCHAR_T ) (result + length) = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4909 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4910
13806 3468ff86245b vasnprintf: Don't set errno to 0. Bruno Haible <bruno@clisp.org> parents: 13788 diff changeset	4911 orig_errno = errno;
3468ff86245b vasnprintf: Don't set errno to 0. Bruno Haible <bruno@clisp.org> parents: 13788 diff changeset	4912
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4913 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4914 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4915 int count = -1;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4916
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4917 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4918 int retcount = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4919 size_t maxlen = allocated - length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4920 /* SNPRINTF can fail if its second argument is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4921 > INT_MAX. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4922 if (maxlen > INT_MAX / TCHARS_PER_DCHAR)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4923 maxlen = INT_MAX / TCHARS_PER_DCHAR;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4924 maxlen = maxlen * TCHARS_PER_DCHAR;
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	4925 # define SNPRINTF_BUF(arg) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4926 switch (prefix_count) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4927 { \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4928 case 0: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4929 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4930 maxlen, buf, \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4931 arg, &count); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4932 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4933 case 1: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4934 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4935 maxlen, buf, \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4936 prefixes[0], arg, &count); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4937 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4938 case 2: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4939 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4940 maxlen, buf, \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4941 prefixes[0], prefixes[1], arg, \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4942 &count); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4943 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4944 default: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4945 abort (); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4946 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4947 #else
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	4948 # define SNPRINTF_BUF(arg) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4949 switch (prefix_count) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4950 { \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4951 case 0: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4952 count = sprintf (tmp, buf, arg); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4953 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4954 case 1: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4955 count = sprintf (tmp, buf, prefixes[0], arg); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4956 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4957 case 2: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4958 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4959 arg); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4960 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4961 default: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4962 abort (); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4963 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4964 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4965
13259 5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	4966 errno = 0;
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4967 switch (type)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4968 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4969 case TYPE_SCHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4970 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4971 int arg = a.arg[dp->arg_index].a.a_schar;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4972 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4973 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4974 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4975 case TYPE_UCHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4976 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4977 unsigned int arg = a.arg[dp->arg_index].a.a_uchar;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4978 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4979 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4980 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4981 case TYPE_SHORT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4982 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4983 int arg = a.arg[dp->arg_index].a.a_short;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4984 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4985 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4986 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4987 case TYPE_USHORT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4988 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4989 unsigned int arg = a.arg[dp->arg_index].a.a_ushort;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4990 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4991 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4992 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4993 case TYPE_INT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4994 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4995 int arg = a.arg[dp->arg_index].a.a_int;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4996 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4997 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4998 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4999 case TYPE_UINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5000 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5001 unsigned int arg = a.arg[dp->arg_index].a.a_uint;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5002 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5003 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5004 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5005 case TYPE_LONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5006 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5007 long int arg = a.arg[dp->arg_index].a.a_longint;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5008 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5009 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5010 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5011 case TYPE_ULONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5012 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5013 unsigned long int arg = a.arg[dp->arg_index].a.a_ulongint;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5014 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5015 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5016 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	5017 #if HAVE_LONG_LONG_INT
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5018 case TYPE_LONGLONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5019 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5020 long long int arg = a.arg[dp->arg_index].a.a_longlongint;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5021 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5022 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5023 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5024 case TYPE_ULONGLONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5025 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5026 unsigned long long int arg = a.arg[dp->arg_index].a.a_ulonglongint;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5027 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5028 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5029 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5030 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5031 case TYPE_DOUBLE:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5032 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5033 double arg = a.arg[dp->arg_index].a.a_double;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5034 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5035 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5036 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5037 case TYPE_LONGDOUBLE:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5038 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5039 long double arg = a.arg[dp->arg_index].a.a_longdouble;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5040 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5041 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5042 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5043 case TYPE_CHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5044 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5045 int arg = a.arg[dp->arg_index].a.a_char;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5046 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5047 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5048 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	5049 #if HAVE_WINT_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5050 case TYPE_WIDE_CHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5051 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5052 wint_t arg = a.arg[dp->arg_index].a.a_wide_char;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5053 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5054 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5055 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5056 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5057 case TYPE_STRING:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5058 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5059 const char *arg = a.arg[dp->arg_index].a.a_string;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5060 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5061 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5062 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	5063 #if HAVE_WCHAR_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5064 case TYPE_WIDE_STRING:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5065 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5066 const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5067 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5068 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5069 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5070 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5071 case TYPE_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5072 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5073 void *arg = a.arg[dp->arg_index].a.a_pointer;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5074 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5075 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5076 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5077 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5078 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5079 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5080
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5081 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5082 /* Portability: Not all implementations of snprintf()
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5083 are ISO C 99 compliant. Determine the number of
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5084 bytes that snprintf() has produced or would have
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5085 produced. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5086 if (count >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5087 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5088 /* Verify that snprintf() has NUL-terminated its
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5089 result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5090 if (count < maxlen
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5091 && ((TCHAR_T *) (result + length)) [count] != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5092 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5093 /* Portability hack. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5094 if (retcount > count)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5095 count = retcount;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5096 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5097 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5098 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5099 /* snprintf() doesn't understand the '%n'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5100 directive. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5101 if (fbp[1] != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5102 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5103 /* Don't use the '%n' directive; instead, look
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5104 at the snprintf() return value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5105 fbp[1] = '\0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5106 continue;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5107 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5108 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5109 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5110 /* Look at the snprintf() return value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5111 if (retcount < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5112 {
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5113 # if !HAVE_SNPRINTF_RETVAL_C99
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5114 /* HP-UX 10.20 snprintf() is doubly deficient:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5115 It doesn't understand the '%n' directive,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5116 and it returns -1 (rather than the length
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5117 that would have been required) when the
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5118 buffer is too small.
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5119 But a failure at this point can also come
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5120 from other reasons than a too small buffer,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5121 such as an invalid wide string argument to
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5122 the %ls directive, or possibly an invalid
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5123 floating-point argument. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5124 size_t tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5125 MAX_ROOM_NEEDED (&a, dp->arg_index,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5126 dp->conversion, type, flags,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5127 width, has_precision,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5128 precision, pad_ourselves);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5129
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5130 if (maxlen < tmp_length)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5131 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5132 /* Make more room. But try to do through
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5133 this reallocation only once. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5134 size_t bigger_need =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5135 xsum (length,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5136 xsum (tmp_length,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5137 TCHARS_PER_DCHAR - 1)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5138 / TCHARS_PER_DCHAR);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5139 /* And always grow proportionally.
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5140 (There may be several arguments, each
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5141 needing a little more room than the
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5142 previous one.) */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5143 size_t bigger_need2 =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5144 xsum (xtimes (allocated, 2), 12);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5145 if (bigger_need < bigger_need2)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5146 bigger_need = bigger_need2;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5147 ENSURE_ALLOCATION (bigger_need);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5148 continue;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5149 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5150 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5151 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5152 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5153 count = retcount;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5154 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5155 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5156 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5157
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5158 /* Attempt to handle failure. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5159 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5160 {
13259 5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5161 /* SNPRINTF or sprintf failed. Save and use the errno
5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5162 that it has set, if any. */
5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5163 int saved_errno = errno;
5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5164
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5165 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5166 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5167 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5168 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5169 CLEANUP ();
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5170 errno =
13259 5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5171 (saved_errno != 0
5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5172 ? saved_errno
5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5173 : (dp->conversion == 'c' \|\| dp->conversion == 's'
5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5174 ? EILSEQ
5aa26fc2aec0 vasnprintf: Correct errno value in case of out-of-memory. Bruno Haible <bruno@clisp.org> parents: 13199 diff changeset	5175 : EINVAL));
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5176 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5177 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5178
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5179 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5180 /* Handle overflow of the allocated buffer.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5181 If such an overflow occurs, a C99 compliant snprintf()
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5182 returns a count >= maxlen. However, a non-compliant
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5183 snprintf() function returns only count = maxlen - 1. To
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5184 cover both cases, test whether count >= maxlen - 1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5185 if ((unsigned int) count + 1 >= maxlen)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5186 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5187 /* If maxlen already has attained its allowed maximum,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5188 allocating more memory will not increase maxlen.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5189 Instead of looping, bail out. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5190 if (maxlen == INT_MAX / TCHARS_PER_DCHAR)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5191 goto overflow;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5192 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5193 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5194 /* Need at least (count + 1) * sizeof (TCHAR_T)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5195 bytes. (The +1 is for the trailing NUL.)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5196 But ask for (count + 2) * sizeof (TCHAR_T)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5197 bytes, so that in the next round, we likely get
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5198 maxlen > (unsigned int) count + 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5199 and so we don't get here again.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5200 And allocate proportionally, to avoid looping
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5201 eternally if snprintf() reports a too small
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5202 count. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5203 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5204 xmax (xsum (length,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5205 ((unsigned int) count + 2
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5206 + TCHARS_PER_DCHAR - 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5207 / TCHARS_PER_DCHAR),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5208 xtimes (allocated, 2));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5209
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5210 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5211 continue;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5212 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5213 }
8837 6d6277df29a9 Fix logic bug introduced on 2007-05-06. Bruno Haible <bruno@clisp.org> parents: 8835 diff changeset	5214 #endif
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5215
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5216 #if NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5217 if (prec_ourselves)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5218 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5219 /* Handle the precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5220 TCHAR_T *prec_ptr =
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5221 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5222 (TCHAR_T *) (result + length);
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5223 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5224 tmp;
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5225 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5226 size_t prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5227 size_t move;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5228
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5229 prefix_count = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5230 /* Put the additional zeroes after the sign. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5231 if (count >= 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5232 && (prec_ptr == '-' \|\| prec_ptr == '+'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5233 \|\| *prec_ptr == ' '))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5234 prefix_count = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5235 /* Put the additional zeroes after the 0x prefix if
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5236 (flags & FLAG_ALT) \|\| (dp->conversion == 'p'). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5237 else if (count >= 2
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5238 && prec_ptr[0] == '0'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5239 && (prec_ptr[1] == 'x' \|\| prec_ptr[1] == 'X'))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5240 prefix_count = 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5241
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5242 move = count - prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5243 if (precision > move)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5244 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5245 /* Insert zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5246 size_t insert = precision - move;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5247 TCHAR_T *prec_end;
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5248
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5249 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5250 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5251 xsum (length,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5252 (count + insert + TCHARS_PER_DCHAR - 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5253 / TCHARS_PER_DCHAR);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5254 length += (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5255 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5256 length -= (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5257 prec_ptr = (TCHAR_T *) (result + length);
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5258 # endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5259
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5260 prec_end = prec_ptr + count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5261 prec_ptr += prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5262
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5263 while (prec_end > prec_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5264 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5265 prec_end--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5266 prec_end[insert] = prec_end[0];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5267 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5268
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5269 prec_end += insert;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5270 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5271 *--prec_end = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5272 while (prec_end > prec_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5273
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5274 count += insert;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5275 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5276 }
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5277 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5278
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5279 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5280 if (count >= tmp_length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5281 /* tmp_length was incorrectly calculated - fix the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5282 code above! */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5283 abort ();
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5284 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5285
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5286 #if !DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5287 /* Convert from TCHAR_T[] to DCHAR_T[]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5288 if (dp->conversion == 'c' \|\| dp->conversion == 's')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5289 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5290 /* type = TYPE_CHAR or TYPE_WIDE_CHAR or TYPE_STRING
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5291 TYPE_WIDE_STRING.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5292 The result string is not certainly ASCII. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5293 const TCHAR_T *tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5294 DCHAR_T *tmpdst;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5295 size_t tmpdst_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5296 /* This code assumes that TCHAR_T is 'char'. */
13788 6f8ee3f6161c rewrite int foo[2X-1] to verify(X) or to int foo[X?1:-1] Paul Eggert <eggert@cs.ucla.edu>* parents: 13323 diff changeset	5297 verify (sizeof (TCHAR_T) == 1);
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5298 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5299 tmpsrc = (TCHAR_T *) (result + length);
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5300 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5301 tmpsrc = tmp;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5302 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5303 tmpdst =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5304 DCHAR_CONV_FROM_ENCODING (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5305 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5306 tmpsrc, count,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5307 NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5308 NULL, &tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5309 if (tmpdst == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5310 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5311 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5312 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5313 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5314 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5315 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5316 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5317 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5318 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5319 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5320 ENSURE_ALLOCATION (xsum (length, tmpdst_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5321 DCHAR_CPY (result + length, tmpdst, tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5322 free (tmpdst);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5323 count = tmpdst_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5324 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5325 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5326 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5327 /* The result string is ASCII.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5328 Simple 1:1 conversion. */
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5329 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5330 /* If sizeof (DCHAR_T) == sizeof (TCHAR_T), it's a
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5331 no-op conversion, in-place on the array starting
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5332 at (result + length). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5333 if (sizeof (DCHAR_T) != sizeof (TCHAR_T))
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5334 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5335 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5336 const TCHAR_T *tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5337 DCHAR_T *tmpdst;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5338 size_t n;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5339
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5340 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5341 if (result == resultbuf)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5342 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5343 tmpsrc = (TCHAR_T *) (result + length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5344 /* ENSURE_ALLOCATION will not move tmpsrc
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5345 (because it's part of resultbuf). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5346 ENSURE_ALLOCATION (xsum (length, count));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5347 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5348 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5349 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5350 /* ENSURE_ALLOCATION will move the array
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5351 (because it uses realloc(). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5352 ENSURE_ALLOCATION (xsum (length, count));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5353 tmpsrc = (TCHAR_T *) (result + length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5354 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5355 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5356 tmpsrc = tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5357 ENSURE_ALLOCATION (xsum (length, count));
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5358 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5359 tmpdst = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5360 /* Copy backwards, because of overlapping. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5361 tmpsrc += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5362 tmpdst += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5363 for (n = count; n > 0; n--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5364 --tmpdst = (unsigned char) --tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5365 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5366 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5367 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5368
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5369 #if DCHAR_IS_TCHAR && !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5370 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5371 if (count > allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5372 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5373 /* Need at least count elements. But allocate
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5374 proportionally. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5375 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5376 xmax (xsum (length, count), xtimes (allocated, 2));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5377
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5378 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5379 }
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5380 #endif
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5381
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5382 /* Here count <= allocated - length. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5383
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5384 /* Perform padding. */
9674 b69f1141e94f Fix printf behaviour regarding the left-adjust flag on HP-UX 10.20. Bruno Haible <bruno@clisp.org>* parents: 9672 diff changeset	5385 #if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_LEFTADJUST \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5386 if (pad_ourselves && has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5387 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5388 size_t w;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5389 # if ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5390 /* Outside POSIX, it's preferrable to compare the width
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5391 against the number of _characters_ of the converted
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5392 value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5393 w = DCHAR_MBSNLEN (result + length, count);
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5394 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5395 /* The width is compared against the number of _bytes_
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5396 of the converted value, says POSIX. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5397 w = count;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5398 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5399 if (w < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5400 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5401 size_t pad = width - w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5402
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5403 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5404 if (xsum (count, pad) > allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5405 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5406 /* Need at least count + pad elements. But
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5407 allocate proportionally. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5408 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5409 xmax (xsum3 (length, count, pad),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5410 xtimes (allocated, 2));
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	5411
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5412 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5413 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5414 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5415 length -= count;
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5416 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5417 ENSURE_ALLOCATION (n);
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5418 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5419 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5420 /* Here count + pad <= allocated - length. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5421
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5422 {
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5423 # if !DCHAR_IS_TCHAR \|\| USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5424 DCHAR_T * const rp = result + length;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	5425 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5426 DCHAR_T * const rp = tmp;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	5427 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5428 DCHAR_T *p = rp + count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5429 DCHAR_T *end = p + pad;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5430 DCHAR_T *pad_ptr;
9827 32d08ee66484 Fix a bug in unistdio routines, introduced on 2007-06-10. Bruno Haible <bruno@clisp.org> parents: 9676 diff changeset	5431 # if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5432 if (dp->conversion == 'c'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5433 \|\| dp->conversion == 's')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5434 /* No zero-padding for string directives. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5435 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5436 else
9672 c0fb9d4d860d Fix bug introduced on 2007-06-10. Bruno Haible <bruno@clisp.org> parents: 9651 diff changeset	5437 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5438 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5439 pad_ptr = (*rp == '-' ? rp + 1 : rp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5440 /* No zero-padding of "inf" and "nan". */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5441 if ((pad_ptr >= 'A' && pad_ptr <= 'Z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5442 \|\| (pad_ptr >= 'a' && pad_ptr <= 'z'))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5443 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5444 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5445 /* The generated string now extends from rp to p,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5446 with the zero padding insertion point being at
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5447 pad_ptr. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5448
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5449 count = count + pad; /* = end - rp */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5450
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5451 if (flags & FLAG_LEFT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5452 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5453 /* Pad with spaces on the right. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5454 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5455 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5456 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5457 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5458 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5459 /* Pad with zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5460 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5461
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5462 while (p > pad_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5463 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5464 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5465 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5466 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5467 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5468 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5469 /* Pad with spaces on the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5470 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5471
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5472 while (p > rp)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5473 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5474 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5475 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5476 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5477 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5478 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5479 }
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	5480 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	5481
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5482 /* Here still count <= allocated - length. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5483
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5484 #if !DCHAR_IS_TCHAR \|\| USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5485 /* The snprintf() result did fit. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5486 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5487 /* Append the sprintf() result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5488 memcpy (result + length, tmp, count * sizeof (DCHAR_T));
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5489 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5490 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5491 if (tmp != tmpbuf)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5492 free (tmp);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5493 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5494
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	5495 #if NEED_PRINTF_DIRECTIVE_F
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5496 if (dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5497 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5498 /* Convert the %f result to upper case for %F. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5499 DCHAR_T *rp = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5500 size_t rc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5501 for (rc = count; rc > 0; rc--, rp++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5502 if (rp >= 'a' && rp <= 'z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5503 rp = rp - 'a' + 'A';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5504 }
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	5505 #endif
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	5506
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5507 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5508 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5509 }
13806 3468ff86245b vasnprintf: Don't set errno to 0. Bruno Haible <bruno@clisp.org> parents: 13788 diff changeset	5510 errno = orig_errno;
13323 cbb76cf0c6f1 vasnprintf: Fix syntax errors in libintl build on mingw. Bruno Haible <bruno@clisp.org> parents: 13259 diff changeset	5511 #undef pad_ourselves
cbb76cf0c6f1 vasnprintf: Fix syntax errors in libintl build on mingw. Bruno Haible <bruno@clisp.org> parents: 13259 diff changeset	5512 #undef prec_ourselves
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5513 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5514 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5515 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5516
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5517 /* Add the final NUL. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5518 ENSURE_ALLOCATION (xsum (length, 1));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5519 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5520
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5521 if (result != resultbuf && length + 1 < allocated)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5522 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5523 /* Shrink the allocated memory if possible. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5524 DCHAR_T *memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5525
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5526 memory = (DCHAR_T ) realloc (result, (length + 1) sizeof (DCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5527 if (memory != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5528 result = memory;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5529 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5530
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5531 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5532 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5533 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5534 *lengthp = length;
7218 0fd12ba5cfc6 Do the INT_MAX check only where size_t is converted to 'int'. Bruno Haible <bruno@clisp.org> parents: 6583 diff changeset	5535 /* Note that we can produce a big string of a length > INT_MAX. POSIX
0fd12ba5cfc6 Do the INT_MAX check only where size_t is converted to 'int'. Bruno Haible <bruno@clisp.org> parents: 6583 diff changeset	5536 says that snprintf() fails with errno = EOVERFLOW in this case, but
0fd12ba5cfc6 Do the INT_MAX check only where size_t is converted to 'int'. Bruno Haible <bruno@clisp.org> parents: 6583 diff changeset	5537 that's only because snprintf() returns an 'int'. This function does
0fd12ba5cfc6 Do the INT_MAX check only where size_t is converted to 'int'. Bruno Haible <bruno@clisp.org> parents: 6583 diff changeset	5538 not have this limitation. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5539 return result;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5540
9651 cee38e50f29c vasnprintf.c: Avoid warning about unused label Jim Meyering <meyering@redhat.com> parents: 9646 diff changeset	5541 #if USE_SNPRINTF
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5542 overflow:
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5543 if (!(result == resultbuf \|\| result == NULL))
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5544 free (result);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5545 if (buf_malloced != NULL)
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5546 free (buf_malloced);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5547 CLEANUP ();
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5548 errno = EOVERFLOW;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5549 return NULL;
9651 cee38e50f29c vasnprintf.c: Avoid warning about unused label Jim Meyering <meyering@redhat.com> parents: 9646 diff changeset	5550 #endif
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5551
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5552 out_of_memory:
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5553 if (!(result == resultbuf \|\| result == NULL))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5554 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5555 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5556 free (buf_malloced);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5557 out_of_memory_1:
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5558 CLEANUP ();
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5559 errno = ENOMEM;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5560 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5561 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5562 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5563
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5564 #undef MAX_ROOM_NEEDED
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5565 #undef TCHARS_PER_DCHAR
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5566 #undef SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5567 #undef USE_SNPRINTF
11804 73f84ac92381 Undefine DCHAR_SET after use. Bruno Haible <bruno@clisp.org> parents: 11511 diff changeset	5568 #undef DCHAR_SET
9450 9928de4bfe8a Undefine two macros after they are not needed any more. Bruno Haible <bruno@clisp.org> parents: 9446 diff changeset	5569 #undef DCHAR_CPY
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5570 #undef PRINTF_PARSE
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5571 #undef DIRECTIVES
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5572 #undef DIRECTIVE
9450 9928de4bfe8a Undefine two macros after they are not needed any more. Bruno Haible <bruno@clisp.org> parents: 9446 diff changeset	5573 #undef DCHAR_IS_TCHAR
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	5574 #undef TCHAR_T
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	5575 #undef DCHAR_T
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	5576 #undef FCHAR_T
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5577 #undef VASNPRINTF

Mercurial > hg > octave-lojdl > gnulib-hg

annotate lib/vasnprintf.c @ 14079:97fc9a21a8fb