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

annotate lib/vasnprintf.c @ 13199:af2bd6fe2a98

vasnprintf: Correct handling of unconvertible wide string arguments.

author	Bruno Haible <bruno@clisp.org>
date	Sat, 10 Apr 2010 22:25:31 +0200
parents	2f3ddf3c58a5
children	5aa26fc2aec0

rev	line source
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* vsprintf with automatic memory allocation.
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2 Copyright (C) 1999, 2002-2010 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
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	91 #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	92 # include <math.h>
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	93 # include "float+.h"
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	94 #endif
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	95
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	96 #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	97 # 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	98 # 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	99 #endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	100
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	101 #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	102 # 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	103 # include "isnanl-nolibm.h"
8915 f15c03805bd9 Fix possible compilation error. Bruno Haible <bruno@clisp.org> parents: 8865 diff changeset	104 # include "fpucw.h"
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	105 #endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	106
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	107 #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	108 # 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	109 # include "isnand-nolibm.h"
8526 67e9a647f2fa Fix includes. Bruno Haible <bruno@clisp.org> parents: 8487 diff changeset	110 # 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	111 #endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	112
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	113 #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	114 # include <math.h>
8648 359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	115 # include "isnanl-nolibm.h"
359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	116 # include "printf-frexpl.h"
359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	117 # include "fpucw.h"
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	118 #endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	119
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	120 /* 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	121 #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	122 # 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	123 # 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	124 # 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	125 # 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	126 # 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	127 # 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	128 # 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	129 # 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	130 # 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	131 # define DCHAR_CPY wmemcpy
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	132 # 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	133 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	134 # 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	135 # 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	136 # 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	137 # 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	138 # 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	139 # 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	140 # 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	141 # 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	142 # define DCHAR_CPY memcpy
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	143 # 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	144 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	145 #endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	146 #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	147 /* TCHAR_T is wchar_t. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	148 # define USE_SNPRINTF 1
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	149 # if HAVE_DECL__SNWPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	150 /* 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	151 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	152 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	153 MSVCRT function _snwprintf(), so prefer that. */
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	154 # if defined __MINGW32__
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	155 # define SNPRINTF snwprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	156 # else
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 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	159 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	160 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	161 # define SNPRINTF swprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	162 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	163 #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	164 /* TCHAR_T is char. */
9940 0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	165 /* 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	166 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	167 size argument is >= 0x3000000.
0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	168 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	169 writes any output without bounds, like sprintf. */
0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	170 # 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	171 # define USE_SNPRINTF 1
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	172 # else
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	173 # define USE_SNPRINTF 0
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	174 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	175 # if HAVE_DECL__SNPRINTF
13197 5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	176 /* 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	177 function _snprintf(), so prefer that. */
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	178 # if defined __MINGW32__
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	179 # define SNPRINTF snprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	180 /* 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	181 # undef snprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	182 # else
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	183 # define SNPRINTF _snprintf
5faa02e0b292 vasnprintf: Fix multiple test failures on mingw. Bruno Haible <bruno@clisp.org> parents: 12552 diff changeset	184 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	185 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	186 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	187 # define SNPRINTF snprintf
8417 ee40afd85f2c Avoid an endless recursion. Bruno Haible <bruno@clisp.org> parents: 8400 diff changeset	188 /* 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	189 # undef snprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	190 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	191 #endif
8424 ec3450ce9889 Use the system's sprintf function. Bruno Haible <bruno@clisp.org> parents: 8417 diff changeset	192 /* 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	193 #undef sprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	194
10102 8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	195 /* 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	196 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	197 #ifdef lint
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	198 # define IF_LINT(Code) Code
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	199 #else
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	200 # define IF_LINT(Code) /* empty */
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	201 #endif
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	202
10084 e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	203 /* Avoid some warnings from "gcc -Wshadow".
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	204 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	205 #undef exp
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	206 #define exp expo
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	207 #undef remainder
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	208 #define remainder rem
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	209
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	210 #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	211 # if (HAVE_STRNLEN && !defined _AIX)
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	212 # define local_strnlen strnlen
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	213 # else
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	214 # ifndef local_strnlen_defined
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	215 # define local_strnlen_defined 1
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	216 static size_t
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	217 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	218 {
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	219 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	220 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	221 }
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	222 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	223 # endif
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
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	226 #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	227 # if HAVE_WCSLEN
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	228 # define local_wcslen wcslen
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	229 # else
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	230 /* 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	231 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	232 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	233 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	234 # ifndef local_wcslen_defined
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	235 # define local_wcslen_defined 1
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	236 static size_t
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	237 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	238 {
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	239 const wchar_t *ptr;
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 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	242 ;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	243 return ptr - s;
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 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	246 # endif
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
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	249 #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	250 # if HAVE_WCSNLEN
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	251 # define local_wcsnlen wcsnlen
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	252 # else
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	253 # ifndef local_wcsnlen_defined
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	254 # define local_wcsnlen_defined 1
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	255 static size_t
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	256 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	257 {
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	258 const wchar_t *ptr;
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 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	261 ;
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	262 return ptr - s;
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 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	265 # endif
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
10450 efaa10653f4b Tweak last commit. Bruno Haible <bruno@clisp.org> parents: 10449 diff changeset	268 #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	269 /* 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	270 # 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	271 # 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	272 static char
11856 8b0d11ca9d01 build: avoid some compiler warnings Eric Blake <ebb9@byu.net> parents: 11804 diff changeset	273 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	274 {
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	275 const char *point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	276 /* 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	277 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	278 to be multithread-safe by POSIX. sprintf(), however, is multithread-safe.
9f98da6e2275 vasnprintf: Tiny optimization. Bruno Haible <bruno@clisp.org> parents: 12306 diff changeset	279 localeconv() is rarely multithread-safe. */
9f98da6e2275 vasnprintf: Tiny optimization. Bruno Haible <bruno@clisp.org> parents: 12306 diff changeset	280 # if HAVE_NL_LANGINFO && (__GLIBC__ \|\| (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	281 point = nl_langinfo (RADIXCHAR);
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	282 # elif 1
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	283 char pointbuf[5];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	284 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	285 point = &pointbuf[1];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	286 # else
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	287 point = localeconv () -> decimal_point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	288 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	289 /* 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	290 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	291 }
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	292 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	293 #endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	294
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	295 #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	296
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	297 /* 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	298 static int
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	299 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	300 {
9646 a113e473cc98 Rename isnan, applicable to 'double' only, to isnand. Bruno Haible <bruno@clisp.org> parents: 9489 diff changeset	301 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	302 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	303
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	304 #endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	305
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	306 #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	307
10448 a5c27eb6fed3 vasnprintf: support Irix 5.3 Eric Blake <ebb9@byu.net> parents: 10394 diff changeset	308 /* 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	309 static int
10448 a5c27eb6fed3 vasnprintf: support Irix 5.3 Eric Blake <ebb9@byu.net> parents: 10394 diff changeset	310 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	311 {
10448 a5c27eb6fed3 vasnprintf: support Irix 5.3 Eric Blake <ebb9@byu.net> parents: 10394 diff changeset	312 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	313 }
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	314
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	315 #endif
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	316
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	317 #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	318
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	319 /* 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	320 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	321 (and slower) algorithms. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	322
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	323 typedef unsigned int mp_limb_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	324 # define GMP_LIMB_BITS 32
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	325 typedef int mp_limb_verify[2 * (sizeof (mp_limb_t) * CHAR_BIT == GMP_LIMB_BITS) - 1];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	326
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	327 typedef unsigned long long mp_twolimb_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	328 # define GMP_TWOLIMB_BITS 64
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	329 typedef int mp_twolimb_verify[2 * (sizeof (mp_twolimb_t) * CHAR_BIT == GMP_TWOLIMB_BITS) - 1];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	330
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	331 /* Representation of a bignum >= 0. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	332 typedef struct
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	333 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	334 size_t nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	335 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	336 } mpn_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	337
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	338 /* Compute the product of two bignums >= 0.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	339 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	340 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	341 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	342 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	343 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	344 const mp_limb_t *p1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	345 const mp_limb_t *p2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	346 size_t len1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	347 size_t len2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	348
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	349 if (src1.nlimbs <= src2.nlimbs)
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 len1 = src1.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	352 p1 = src1.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	353 len2 = src2.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	354 p2 = src2.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	355 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	356 else
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 len1 = src2.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	359 p1 = src2.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	360 len2 = src1.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	361 p2 = src1.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	362 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	363 /* Now 0 <= len1 <= len2. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	364 if (len1 == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	365 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	366 /* src1 or src2 is zero. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	367 dest->nlimbs = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	368 dest->limbs = (mp_limb_t *) malloc (1);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	369 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	370 else
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 /* Here 1 <= len1 <= len2. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	373 size_t dlen;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	374 mp_limb_t *dp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	375 size_t k, i, j;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	376
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	377 dlen = len1 + len2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	378 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	379 if (dp == NULL)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	380 return NULL;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	381 for (k = len2; k > 0; )
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	382 dp[--k] = 0;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	383 for (i = 0; i < len1; i++)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	384 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	385 mp_limb_t digit1 = p1[i];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	386 mp_twolimb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	387 for (j = 0; j < len2; j++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	388 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	389 mp_limb_t digit2 = p2[j];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	390 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	391 carry += dp[i + j];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	392 dp[i + j] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	393 carry = carry >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	394 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	395 dp[i + len2] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	396 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	397 /* Normalise. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	398 while (dlen > 0 && dp[dlen - 1] == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	399 dlen--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	400 dest->nlimbs = dlen;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	401 dest->limbs = dp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	402 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	403 return dest->limbs;
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
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	406 /* 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	407 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	408 the remainder.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	409 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	410 q is incremented.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	411 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	412 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	413 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	414 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	415 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	416 /* Algorithm:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	417 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	418 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	419 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	420 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	421 r:=0, j:=m,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	422 while j>0 do
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	423 {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	424 = 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	425 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	426 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	427 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	428 We have a/b < beta^(m-n+1).
11422 847931ff84ef typo fix in a comment Jim Meyering <meyering@redhat.com> parents: 11220 diff changeset	429 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	430 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	431 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	432 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	433 Compute q* :
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	434 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	435 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	436 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	437 and c3 := b[n-2] * q*.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	438 {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	439 occurred. Furthermore 0 <= c3 < beta^2.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	440 If there was overflow and
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	441 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	442 the next test can be skipped.}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	443 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	444 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	445 If q* > 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	446 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	447 [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	448 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	449 u := u + q* * b[i],
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	450 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	451 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	452 r[n+j]:=r[n+j]-u.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	453 {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	454 < q* + 1 <= beta,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	455 the carry u does not overflow.}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	456 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	457 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	458 Set q[j] := q*.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	459 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	460 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	461 rest r.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	462 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	463 Finally, round-to-even:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	464 Shift r left by 1 bit.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	465 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	466 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	467 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	468 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	469 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	470 size_t b_len = b.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	471 mp_limb_t *roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	472 mp_limb_t *tmp_roomptr = NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	473 mp_limb_t *q_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	474 size_t q_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	475 mp_limb_t *r_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	476 size_t r_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	477
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	478 /* Allocate room for a_len+2 digits.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	479 (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	480 final rounding of q.) */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	481 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	482 if (roomptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	483 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	484
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	485 /* Normalise a. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	486 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	487 a_len--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	488
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	489 /* Normalise b. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	490 for (;;)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	491 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	492 if (b_len == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	493 /* Division by zero. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	494 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	495 if (b_ptr[b_len - 1] == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	496 b_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	497 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	498 break;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	499 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	500
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	501 /* 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	502
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	503 if (a_len < b_len)
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 /* 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	506 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	507 r_len = a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	508 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	509 q_ptr = roomptr + a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	510 q_len = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	511 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	512 else if (b_len == 1)
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 /* n=1: single precision division.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	515 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	516 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	517 q_ptr = roomptr + 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	518 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	519 mp_limb_t den = b_ptr[0];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	520 mp_limb_t remainder = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	521 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	522 mp_limb_t *destptr = q_ptr + a_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	523 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	524 for (count = a_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	525 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	526 mp_twolimb_t num =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	527 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) \| *--sourceptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	528 *--destptr = num / den;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	529 remainder = num % den;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	530 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	531 /* Normalise and store r. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	532 if (remainder > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	533 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	534 r_ptr[0] = remainder;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	535 r_len = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	536 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	537 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	538 r_len = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	539 /* Normalise q. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	540 q_len = a_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	541 if (q_ptr[q_len - 1] == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	542 q_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	543 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	544 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	545 else
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 /* n>1: multiple precision division.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	548 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	549 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	550 /* Determine s. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	551 size_t s;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	552 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	553 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	554 s = 31;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	555 if (msd >= 0x10000)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	556 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	557 msd = msd >> 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	558 s -= 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	559 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	560 if (msd >= 0x100)
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 msd = msd >> 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	563 s -= 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	564 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	565 if (msd >= 0x10)
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 msd = msd >> 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	568 s -= 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	569 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	570 if (msd >= 0x4)
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 msd = msd >> 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	573 s -= 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	574 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	575 if (msd >= 0x2)
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 msd = msd >> 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	578 s -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	579 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	580 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	581 /* 0 <= s < GMP_LIMB_BITS.
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	582 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	583 if (s > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	584 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	585 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	586 if (tmp_roomptr == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	587 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	588 free (roomptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	589 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	590 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	591 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	592 const mp_limb_t *sourceptr = b_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	593 mp_limb_t *destptr = tmp_roomptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	594 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	595 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	596 for (count = b_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	597 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	598 accu += (mp_twolimb_t) *sourceptr++ << s;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	599 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	600 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	601 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	602 /* 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	603 if (accu != 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	604 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	605 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	606 b_ptr = tmp_roomptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	607 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	608 /* 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	609 Memory layout:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	610 At the beginning: r = roomptr[0..a_len],
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	611 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	612 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	613 if (s == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	614 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	615 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	616 r_ptr[a_len] = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	617 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	618 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	619 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	620 const mp_limb_t *sourceptr = a_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	621 mp_limb_t *destptr = r_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	622 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	623 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	624 for (count = a_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	625 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	626 accu += (mp_twolimb_t) *sourceptr++ << s;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	627 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	628 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	629 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	630 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	631 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	632 q_ptr = roomptr + b_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	633 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	634 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	635 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	636 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	637 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	638 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	639 ((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	640 /* Division loop, traversed m-n+1 times.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	641 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	642 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	643 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	644 mp_limb_t q_star;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	645 mp_limb_t c1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	646 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	647 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	648 /* 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	649 mp_twolimb_t num =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	650 ((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	651 \| r_ptr[j + b_len - 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	652 q_star = num / b_msd;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	653 c1 = num % b_msd;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	654 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	655 else
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 /* 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	658 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	659 /* 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	660 <==> 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	661 <==> 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	662 {<= beta !}.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	663 If yes, jump directly to the subtraction loop.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	664 (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	665 <==> 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	666 if (r_ptr[j + b_len] > b_msd
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	667 \|\| (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	668 /* r[j+n] >= b[n-1]+1 or
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	669 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	670 carry. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	671 goto subtract;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	672 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	673 /* q_star = q*,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	674 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	675 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	676 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	677 ((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	678 mp_twolimb_t c3 = /* b[n-2] * q* */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	679 (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	680 /* While c2 < c3, increase c2 and decrease c3.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	681 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	682 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	683 this can happen only twice. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	684 if (c3 > c2)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	685 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	686 q_star = q_star - 1; /* q* := q* - 1 */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	687 if (c3 - c2 > b_msdd)
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	690 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	691 if (q_star > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	692 subtract:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	693 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	694 /* Subtract r := r - b * q* * beta^j. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	695 mp_limb_t cr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	696 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	697 const mp_limb_t *sourceptr = b_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	698 mp_limb_t *destptr = r_ptr + j;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	699 mp_twolimb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	700 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	701 for (count = b_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	702 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	703 /* Here 0 <= carry <= q. /
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	704 carry =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	705 carry
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	706 + (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	707 + (mp_limb_t) ~(*destptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	708 /* Here 0 <= carry <= betaq + beta-1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	709 *destptr++ = ~(mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	710 carry = carry >> GMP_LIMB_BITS; /* <= q* */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	711 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	712 cr = (mp_limb_t) carry;
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 /* 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	715 r_ptr[j + b_len]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	716 if (cr > r_ptr[j + b_len])
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	717 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	718 /* Subtraction gave a carry. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	719 q_star = q_star - 1; /* q* := q* - 1 */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	720 /* Add b back. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	721 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	722 const mp_limb_t *sourceptr = b_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	723 mp_limb_t *destptr = r_ptr + j;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	724 mp_limb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	725 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	726 for (count = b_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	727 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	728 mp_limb_t source1 = *sourceptr++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	729 mp_limb_t source2 = *destptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	730 *destptr++ = source1 + source2 + carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	731 carry =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	732 (carry
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	733 ? source1 >= (mp_limb_t) ~source2
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	734 : source1 > (mp_limb_t) ~source2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	735 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	736 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	737 /* 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	738 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	739 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	740 /* q* is determined. Store it as q[j]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	741 q_ptr[j] = q_star;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	742 if (j == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	743 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	744 j--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	745 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	746 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	747 r_len = b_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	748 /* Normalise q. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	749 if (q_ptr[q_len - 1] == 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	750 q_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	751 # 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	752 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	753 /* Shift r right by s bits. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	754 if (s > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	755 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	756 mp_limb_t ptr = r_ptr + r_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	757 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	758 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	759 for (count = r_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	760 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	761 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	762 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	763 *ptr = (mp_limb_t) (accu >> GMP_LIMB_BITS);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	764 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	765 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	766 # endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	767 /* Normalise r. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	768 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	769 r_len--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	770 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	771 /* Compare r << 1 with b. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	772 if (r_len > b_len)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	773 goto increment_q;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	774 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	775 size_t i;
8835 c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	776 for (i = b_len;;)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	777 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	778 mp_limb_t r_i =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	779 (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	780 \| (i < r_len ? r_ptr[i] << 1 : 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	781 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	782 if (r_i > b_i)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	783 goto increment_q;
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 keep_q;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	786 if (i == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	787 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	788 i--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	789 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	790 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	791 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	792 /* q is odd. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	793 increment_q:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	794 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	795 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	796 for (i = 0; i < q_len; i++)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	797 if (++(q_ptr[i]) != 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	798 goto keep_q;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	799 q_ptr[q_len++] = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	800 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	801 keep_q:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	802 if (tmp_roomptr != NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	803 free (tmp_roomptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	804 q->limbs = q_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	805 q->nlimbs = q_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	806 return roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	807 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	808
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	809 /* 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	810 representation.
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	811 Destroys the contents of a.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	812 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	813 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	814 of memory allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	815 static char *
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	816 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	817 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	818 mp_limb_t *a_ptr = a.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	819 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	820 /* 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	821 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	822 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	823 if (c_ptr != NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	824 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	825 char *d_ptr = c_ptr;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	826 for (; extra_zeroes > 0; extra_zeroes--)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	827 *d_ptr++ = '0';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	828 while (a_len > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	829 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	830 /* Divide a by 10^9, in-place. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	831 mp_limb_t remainder = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	832 mp_limb_t *ptr = a_ptr + a_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	833 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	834 for (count = a_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	835 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	836 mp_twolimb_t num =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	837 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) \| *--ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	838 *ptr = num / 1000000000;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	839 remainder = num % 1000000000;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	840 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	841 /* Store the remainder as 9 decimal digits. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	842 for (count = 9; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	843 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	844 *d_ptr++ = '0' + (remainder % 10);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	845 remainder = remainder / 10;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	846 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	847 /* Normalize a. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	848 if (a_ptr[a_len - 1] == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	849 a_len--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	850 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	851 /* Remove leading zeroes. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	852 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	853 d_ptr--;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	854 /* But keep at least one zero. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	855 if (d_ptr == c_ptr)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	856 *d_ptr++ = '0';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	857 /* Terminate the string. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	858 *d_ptr = '\0';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	859 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	860 return c_ptr;
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
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	863 # 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	864
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	865 /* Assuming x is finite and >= 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	866 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	867 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	868 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	869 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	870 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	871 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	872 mpn_t m;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	873 int exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	874 long double y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	875 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	876
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	877 /* Allocate memory for result. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	878 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	879 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	880 if (m.limbs == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	881 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	882 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	883 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	884 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	885 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	886 /* 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	887 latter is an integer. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	888 /* 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	889 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	890 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	891 '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	892 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	893 # 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	894 # 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	895 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	896 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	897 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	898 hi = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	899 y -= hi;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	900 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	901 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	902 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	903 lo = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	904 y -= lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	905 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	906 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	907 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	908 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	909 # else
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	910 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	911 mp_limb_t d;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	912 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	913 d = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	914 y -= d;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	915 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	916 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	917 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	918 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	919 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	920 # endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	921 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	922 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	923 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	924 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	925 hi = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	926 y -= hi;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	927 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	928 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	929 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	930 lo = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	931 y -= lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	932 if (!(y >= 0.0L && y < 1.0L))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	933 abort ();
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	934 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	935 }
9489 940605ef6e9e Don't abort if the 'long double' type has excess precision. Bruno Haible <bruno@clisp.org> parents: 9462 diff changeset	936 #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	937 precision. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	938 if (!(y == 0.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	939 abort ();
9489 940605ef6e9e Don't abort if the 'long double' type has excess precision. Bruno Haible <bruno@clisp.org> parents: 9462 diff changeset	940 #endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	941 /* Normalise. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	942 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	943 m.nlimbs--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	944 *mp = m;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	945 *ep = exp - LDBL_MANT_BIT;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	946 return m.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	947 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	948
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	949 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	950
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	951 # 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	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 /* 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	954 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	955 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	956 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	957 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	958 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	959 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	960 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	961 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	962 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	963 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	964
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	965 /* 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	966 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	967 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	968 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	969 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	970 /* 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	971 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	972 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	973 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	974 /* 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	975 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	976 /* 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	977 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	978 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	979 '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	980 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	981 # 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	982 # 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	983 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	984 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	985 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	986 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	987 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	988 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	989 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	990 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	991 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	992 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	993 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	994 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	995 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	996 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	997 # else
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 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	1000 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	1001 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	1002 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	1003 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1004 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	1005 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	1006 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1007 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1008 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1009 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	1010 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1011 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	1012 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	1013 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	1014 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	1015 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1016 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	1017 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	1018 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	1019 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	1020 if (!(y >= 0.0 && y < 1.0))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1021 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	1022 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	1023 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1024 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	1025 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1026 /* Normalise. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1027 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	1028 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	1029 *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	1030 *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	1031 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	1032 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1033
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1034 # endif
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 /* 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	1037 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	1038 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	1039 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	1040 of memory allocation failure. */
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1041 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	1042 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	1043 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1044 int s;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1045 size_t extra_zeroes;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1046 unsigned int abs_n;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1047 unsigned int abs_s;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1048 mp_limb_t *pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1049 size_t pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1050 unsigned int s_limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1051 unsigned int s_bits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1052 mpn_t pow5;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1053 mpn_t z;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1054 void *z_memory;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1055 char *digits;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1056
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1057 if (memory == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1058 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1059 /* x = 2^e * m, hence
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1060 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	1061 = round (2^s * 5^n * m). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1062 s = e + n;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1063 extra_zeroes = 0;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1064 /* 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	1065 if (s > 0 && n > 0)
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1066 {
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1067 extra_zeroes = (s < n ? s : n);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1068 s -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1069 n -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1070 }
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1071 /* 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	1072 Before converting to decimal, we need to compute
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1073 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	1074 /* 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	1075 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	1076 abs_n = (n >= 0 ? n : -n);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1077 abs_s = (s >= 0 ? s : -s);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1078 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	1079 + abs_s / GMP_LIMB_BITS + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1080 * sizeof (mp_limb_t));
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1081 if (pow5_ptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1082 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1083 free (memory);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1084 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1085 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1086 /* Initialize with 1. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1087 pow5_ptr[0] = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1088 pow5_len = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1089 /* Multiply with 5^\|n\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1090 if (abs_n > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1091 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1092 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	1093 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1094 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	1095 48828125, 244140625, 1220703125
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1096 };
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1097 unsigned int n13;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1098 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	1099 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1100 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	1101 size_t j;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1102 mp_twolimb_t carry = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1103 for (j = 0; j < pow5_len; j++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1104 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1105 mp_limb_t digit2 = pow5_ptr[j];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1106 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	1107 pow5_ptr[j] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1108 carry = carry >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1109 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1110 if (carry > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1111 pow5_ptr[pow5_len++] = (mp_limb_t) carry;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1112 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1113 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1114 s_limbs = abs_s / GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1115 s_bits = abs_s % GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1116 if (n >= 0 ? s >= 0 : s <= 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1117 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1118 /* Multiply with 2^\|s\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1119 if (s_bits > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1120 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1121 mp_limb_t *ptr = pow5_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1122 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1123 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1124 for (count = pow5_len; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1125 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1126 accu += (mp_twolimb_t) *ptr << s_bits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1127 *ptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1128 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1129 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1130 if (accu > 0)
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 *ptr = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1133 pow5_len++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1134 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1135 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1136 if (s_limbs > 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1137 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1138 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1139 for (count = pow5_len; count > 0;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1140 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1141 count--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1142 pow5_ptr[s_limbs + count] = pow5_ptr[count];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1143 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1144 for (count = s_limbs; count > 0;)
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 count--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1147 pow5_ptr[count] = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1148 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1149 pow5_len += s_limbs;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1150 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1151 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1152 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1153 if (n >= 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1154 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1155 /* Multiply m with pow5. No division needed. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1156 z_memory = multiply (m, pow5, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1157 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1158 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1159 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1160 /* Divide m by pow5 and round. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1161 z_memory = divide (m, pow5, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1162 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1163 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1164 else
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 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1167 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1168 if (n >= 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1169 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1170 /* n >= 0, s < 0.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1171 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	1172 mpn_t numerator;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1173 mpn_t denominator;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1174 void *tmp_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1175 tmp_memory = multiply (m, pow5, &numerator);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1176 if (tmp_memory == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1177 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1178 free (pow5_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1179 free (memory);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1180 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1181 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1182 /* Construct 2^\|s\|. */
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 mp_limb_t *ptr = pow5_ptr + pow5_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1185 size_t i;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1186 for (i = 0; i < s_limbs; i++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1187 ptr[i] = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1188 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	1189 denominator.limbs = ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1190 denominator.nlimbs = s_limbs + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1191 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1192 z_memory = divide (numerator, denominator, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1193 free (tmp_memory);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1194 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1195 else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1196 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1197 /* n < 0, s > 0.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1198 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	1199 mpn_t numerator;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1200 mp_limb_t *num_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1201 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	1202 * sizeof (mp_limb_t));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1203 if (num_ptr == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1204 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1205 free (pow5_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1206 free (memory);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1207 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1208 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1209 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1210 mp_limb_t *destptr = num_ptr;
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 size_t i;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1213 for (i = 0; i < s_limbs; i++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1214 *destptr++ = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1215 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1216 if (s_bits > 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 const mp_limb_t *sourceptr = m.limbs;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1219 mp_twolimb_t accu = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1220 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1221 for (count = m.nlimbs; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1222 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1223 accu += (mp_twolimb_t) *sourceptr++ << s_bits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1224 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1225 accu = accu >> GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1226 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1227 if (accu > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1228 *destptr++ = (mp_limb_t) accu;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1229 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1230 else
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 const mp_limb_t *sourceptr = m.limbs;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1233 size_t count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1234 for (count = m.nlimbs; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1235 destptr++ = sourceptr++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1236 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1237 numerator.limbs = num_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1238 numerator.nlimbs = destptr - num_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1239 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1240 z_memory = divide (numerator, pow5, &z);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1241 free (num_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1242 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1243 }
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1244 free (pow5_ptr);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1245 free (memory);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1246
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1247 /* 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	1248
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1249 if (z_memory == NULL)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1250 return NULL;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1251 digits = convert_to_decimal (z, extra_zeroes);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1252 free (z_memory);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1253 return digits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1254 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1255
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1256 # 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	1257
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1258 /* 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	1259 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	1260 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	1261 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	1262 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	1263 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	1264 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	1265 {
10100 369c11a9858d avoid a warning from gcc Jim Meyering <meyering@redhat.com> parents: 10084 diff changeset	1266 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	1267 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	1268 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	1269 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	1270 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1271
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1272 # endif
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 # 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	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 /* 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	1277 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	1278 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	1279 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	1280 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	1281 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	1282 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	1283 {
10101 daad35fae43c avoid another warning from gcc Jim Meyering <meyering@redhat.com> parents: 10100 diff changeset	1284 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	1285 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	1286 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	1287 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	1288 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1289
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1290 # endif
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 # 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	1293
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1294 /* Assuming x is finite and > 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1295 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	1296 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	1297 static int
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1298 floorlog10l (long double x)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1299 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1300 int exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1301 long double y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1302 double z;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1303 double l;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1304
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1305 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1306 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1307 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1308 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1309 if (y == 0.0L)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1310 return INT_MIN;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1311 if (y < 0.5L)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1312 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1313 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	1314 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1315 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	1316 exp -= GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1317 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1318 if (y < (1.0L / (1 << 16)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1319 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1320 y = 1.0L (1 << 16);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1321 exp -= 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1322 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1323 if (y < (1.0L / (1 << 8)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1324 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1325 y = 1.0L (1 << 8);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1326 exp -= 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1327 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1328 if (y < (1.0L / (1 << 4)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1329 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1330 y = 1.0L (1 << 4);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1331 exp -= 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1332 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1333 if (y < (1.0L / (1 << 2)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1334 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1335 y = 1.0L (1 << 2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1336 exp -= 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1337 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1338 if (y < (1.0L / (1 << 1)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1339 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1340 y = 1.0L (1 << 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1341 exp -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1342 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1343 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1344 if (!(y >= 0.5L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1345 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1346 /* 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	1347 l = exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1348 z = y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1349 if (z < 0.70710678118654752444)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1350 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1351 z *= 1.4142135623730950488;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1352 l -= 0.5;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1353 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1354 if (z < 0.8408964152537145431)
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 z *= 1.1892071150027210667;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1357 l -= 0.25;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1358 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1359 if (z < 0.91700404320467123175)
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 z *= 1.0905077326652576592;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1362 l -= 0.125;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1363 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1364 if (z < 0.9576032806985736469)
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 z *= 1.0442737824274138403;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1367 l -= 0.0625;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1368 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1369 /* Now 0.95 <= z <= 1.01. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1370 z = 1 - z;
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1371 /* 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	1372 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	1373 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	1374 /* 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	1375 log10(x). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1376 l *= 0.30102999566398119523;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1377 /* Round down to the next integer. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1378 return (int) l + (l < 0 ? -1 : 0);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1379 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1380
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1381 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1382
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1383 # 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	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 /* 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	1386 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	1387 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	1388 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	1389 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	1390 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1391 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	1392 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	1393 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	1394 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	1395
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1396 /* 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	1397 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	1398 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	1399 abort ();
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)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1401 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	1402 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	1403 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1404 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	1405 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1406 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	1407 exp -= GMP_LIMB_BITS;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1408 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1409 if (y < (1.0 / (1 << 16)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1410 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1411 y = 1.0 (1 << 16);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1412 exp -= 16;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1413 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1414 if (y < (1.0 / (1 << 8)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1415 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1416 y = 1.0 (1 << 8);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1417 exp -= 8;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1418 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1419 if (y < (1.0 / (1 << 4)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1420 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1421 y = 1.0 (1 << 4);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1422 exp -= 4;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1423 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1424 if (y < (1.0 / (1 << 2)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1425 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1426 y = 1.0 (1 << 2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1427 exp -= 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1428 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1429 if (y < (1.0 / (1 << 1)))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1430 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1431 y = 1.0 (1 << 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1432 exp -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1433 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1434 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1435 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	1436 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1437 /* 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	1438 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	1439 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	1440 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	1441 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1442 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	1443 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	1444 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1445 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	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 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	1448 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	1449 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1450 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	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 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	1453 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	1454 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1455 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	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 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	1458 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	1459 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1460 /* 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	1461 z = 1 - z;
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1462 /* 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	1463 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	1464 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	1465 /* 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	1466 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	1467 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	1468 /* 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	1469 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	1470 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1471
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1472 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1473
9938 9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1474 /* 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	1475 a single '1' digit. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1476 static int
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1477 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	1478 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1479 for (; precision > 0; precision--, digits++)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1480 if (*digits != '0')
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1481 return 0;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1482 if (*digits != '1')
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 digits++;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1485 return *digits == '\0';
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1486 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1487
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1488 #endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1489
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1490 #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	1491
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1492 /* 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	1493 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	1494 translation unit. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1495 # if WIDE_CHAR_VERSION
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1496 # 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	1497 # else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1498 # 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	1499 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1500
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1501 /* 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	1502 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	1503 static inline size_t
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1504 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	1505 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	1506 size_t precision, int pad_ourselves)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1507 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1508 size_t tmp_length;
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 switch (conversion)
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 case 'd': case 'i': case 'u':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1513 # if HAVE_LONG_LONG_INT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1514 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	1515 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1516 (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	1517 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1518 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1519 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1520 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1521 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1522 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	1523 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1524 (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	1525 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1526 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1527 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1528 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1529 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1530 (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	1531 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1532 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1533 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1534 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1535 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1536 /* 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	1537 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	1538 /* 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	1539 tmp_length = xsum (tmp_length, 1);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1540 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1541
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1542 case 'o':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1543 # if HAVE_LONG_LONG_INT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1544 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	1545 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1546 (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	1547 * 0.333334 /* binary -> octal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1548 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1549 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1550 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1551 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1552 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	1553 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1554 (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	1555 * 0.333334 /* binary -> octal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1556 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1557 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1558 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1559 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1560 (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	1561 * 0.333334 /* binary -> octal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1562 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1563 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1564 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1565 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1566 /* 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	1567 tmp_length = xsum (tmp_length, 1);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1568 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1569
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1570 case 'x': case 'X':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1571 # if HAVE_LONG_LONG_INT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1572 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	1573 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1574 (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	1575 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1576 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1577 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1578 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1579 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1580 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	1581 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1582 (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	1583 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1584 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1585 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1586 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1587 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1588 (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	1589 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1590 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1591 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1592 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1593 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1594 /* 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	1595 tmp_length = xsum (tmp_length, 2);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1596 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1597
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1598 case 'f': case 'F':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1599 if (type == TYPE_LONGDOUBLE)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1600 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1601 (unsigned int) (LDBL_MAX_EXP
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1602 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1603 * 2 /* estimate for FLAG_GROUP */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1604 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1605 + 1 /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1606 + 10; /* sign, decimal point etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1607 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1608 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1609 (unsigned int) (DBL_MAX_EXP
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1610 * 0.30103 /* binary -> decimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1611 * 2 /* estimate for FLAG_GROUP */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1612 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1613 + 1 /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1614 + 10; /* sign, decimal point etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1615 tmp_length = xsum (tmp_length, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1616 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1617
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1618 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	1619 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1620 12; /* sign, decimal point, exponent etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1621 tmp_length = xsum (tmp_length, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1622 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1623
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1624 case 'a': case 'A':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1625 if (type == TYPE_LONGDOUBLE)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1626 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1627 (unsigned int) (LDBL_DIG
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1628 * 0.831 /* decimal -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1629 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1630 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1631 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1632 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1633 (unsigned int) (DBL_DIG
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1634 * 0.831 /* decimal -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1635 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1636 + 1; /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1637 if (tmp_length < precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1638 tmp_length = precision;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1639 /* Account for sign, decimal point etc. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1640 tmp_length = xsum (tmp_length, 12);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1641 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1642
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1643 case 'c':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1644 # 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	1645 if (type == TYPE_WIDE_CHAR)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1646 tmp_length = MB_CUR_MAX;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1647 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1648 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1649 tmp_length = 1;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1650 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1651
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1652 case 's':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1653 # if HAVE_WCHAR_T
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1654 if (type == TYPE_WIDE_STRING)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1655 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1656 # if WIDE_CHAR_VERSION
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1657 /* 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	1658 "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	1659 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	1660 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	1661 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	1662
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1663 if (has_precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1664 tmp_length = local_wcsnlen (arg, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1665 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1666 tmp_length = local_wcslen (arg);
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 /* 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	1669 "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	1670 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	1671 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	1672 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	1673 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	1674 array."
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1675 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	1676 /* 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	1677 abort ();
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1678 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1679 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1680 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1681 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1682 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1683 # if WIDE_CHAR_VERSION
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1684 /* 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	1685 "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	1686 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	1687 null wide character."
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1688 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	1689 /* 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	1690 abort ();
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1691 # else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1692 /* 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	1693 "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	1694 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	1695 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	1696 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	1697
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1698 if (has_precision)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1699 tmp_length = local_strnlen (arg, precision);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1700 else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1701 tmp_length = strlen (arg);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1702 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1703 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1704 break;
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 case 'p':
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1707 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1708 (unsigned int) (sizeof (void ) CHAR_BIT
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1709 * 0.25 /* binary -> hexadecimal */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1710 )
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1711 + 1 /* turn floor into ceil */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1712 + 2; /* account for leading 0x */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1713 break;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1714
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1715 default:
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1716 abort ();
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1717 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1718
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1719 if (!pad_ourselves)
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 ENABLE_UNISTDIO
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1722 /* 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	1723 elements after padding may be
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1724 > max (tmp_length, width)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1725 but is certainly
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1726 <= tmp_length + width. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1727 tmp_length = xsum (tmp_length, width);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1728 # else
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1729 /* 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	1730 if (tmp_length < width)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1731 tmp_length = width;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1732 # endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1733 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1734
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1735 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	1736
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1737 return tmp_length;
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
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1740 #endif
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	1741
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1742 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	1743 VASNPRINTF (DCHAR_T resultbuf, size_t lengthp,
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1744 const FCHAR_T *format, va_list args)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1745 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1746 DIRECTIVES d;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1747 arguments a;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1748
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1749 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	1750 /* errno is already set. */
290aa46b4526 Fix out-of-memory handling of vasnprintf. Bruno Haible <bruno@clisp.org> parents: 9371 diff changeset	1751 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1752
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1753 #define CLEANUP() \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1754 free (d.dir); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1755 if (a.arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1756 free (a.arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1757
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1758 if (PRINTF_FETCHARGS (args, &a) < 0)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1759 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1760 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1761 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1762 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1763 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1764
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1765 {
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1766 size_t buf_neededlength;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1767 TCHAR_T *buf;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1768 TCHAR_T *buf_malloced;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1769 const FCHAR_T *cp;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1770 size_t i;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1771 DIRECTIVE *dp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1772 /* Output string accumulator. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1773 DCHAR_T *result;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1774 size_t allocated;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1775 size_t length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1776
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1777 /* 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	1778 sprintf or snprintf. */
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1779 buf_neededlength =
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1780 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	1781 #if HAVE_ALLOCA
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1782 if (buf_neededlength < 4000 / sizeof (TCHAR_T))
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1783 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1784 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	1785 buf_malloced = NULL;
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1786 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1787 else
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1788 #endif
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1789 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1790 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	1791 if (size_overflow_p (buf_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1792 goto out_of_memory_1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1793 buf = (TCHAR_T *) malloc (buf_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1794 if (buf == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1795 goto out_of_memory_1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1796 buf_malloced = buf;
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1797 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1798
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1799 if (resultbuf != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1800 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1801 result = resultbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1802 allocated = *lengthp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1803 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1804 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1805 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1806 result = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1807 allocated = 0;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1808 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1809 length = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1810 /* Invariants:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1811 result is either == resultbuf or == NULL or malloc-allocated.
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1812 If length > 0, then result != NULL. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1813
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1814 /* 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	1815 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	1816 #define ENSURE_ALLOCATION(needed) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1817 if ((needed) > allocated) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1818 { \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1819 size_t memory_size; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1820 DCHAR_T *memory; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1821 \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1822 allocated = (allocated > 0 ? xtimes (allocated, 2) : 12); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1823 if ((needed) > allocated) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1824 allocated = (needed); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1825 memory_size = xtimes (allocated, sizeof (DCHAR_T)); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1826 if (size_overflow_p (memory_size)) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1827 goto out_of_memory; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1828 if (result == resultbuf \|\| result == NULL) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1829 memory = (DCHAR_T *) malloc (memory_size); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1830 else \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1831 memory = (DCHAR_T *) realloc (result, memory_size); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1832 if (memory == NULL) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1833 goto out_of_memory; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1834 if (result == resultbuf && length > 0) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1835 DCHAR_CPY (memory, result, length); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1836 result = memory; \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1837 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1838
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1839 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	1840 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1841 if (cp != dp->dir_start)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1842 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1843 size_t n = dp->dir_start - cp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1844 size_t augmented_length = xsum (length, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1845
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1846 ENSURE_ALLOCATION (augmented_length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1847 /* 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	1848 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	1849 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	1850 if (sizeof (FCHAR_T) == sizeof (DCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1851 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1852 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	1853 length = augmented_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1854 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1855 else
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 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1858 result[length++] = (unsigned char) *cp++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1859 while (--n > 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1860 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1861 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1862 if (i == d.count)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1863 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1864
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1865 /* Execute a single directive. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1866 if (dp->conversion == '%')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1867 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1868 size_t augmented_length;
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 if (!(dp->arg_index == ARG_NONE))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1871 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1872 augmented_length = xsum (length, 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1873 ENSURE_ALLOCATION (augmented_length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1874 result[length] = '%';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1875 length = augmented_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1876 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1877 else
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 if (!(dp->arg_index != ARG_NONE))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1880 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1881
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1882 if (dp->conversion == 'n')
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 switch (a.arg[dp->arg_index].type)
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 case TYPE_COUNT_SCHAR_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1887 *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	1888 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1889 case TYPE_COUNT_SHORT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1890 *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	1891 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1892 case TYPE_COUNT_INT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1893 *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	1894 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1895 case TYPE_COUNT_LONGINT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1896 *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	1897 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1898 #if HAVE_LONG_LONG_INT
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1899 case TYPE_COUNT_LONGLONGINT_POINTER:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1900 *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	1901 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1902 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1903 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1904 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1905 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1906 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1907 #if ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1908 /* The unistdio extensions. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1909 else if (dp->conversion == 'U')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1910 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1911 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	1912 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1913 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1914 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1915 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1916 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1917
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1918 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1919 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1920 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1921 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1922 if (dp->width_arg_index != ARG_NONE)
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 int arg;
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 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	1927 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1928 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	1929 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1930 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1931 /* "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	1932 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1933 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1934 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1935 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1936 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1937 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1938 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1939 else
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 const FCHAR_T *digitp = dp->width_start;
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 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1944 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1945 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1946 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1947 has_width = 1;
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1950 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1951 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1952 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1953 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1954 if (dp->precision_arg_index != ARG_NONE)
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 int arg;
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 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	1959 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1960 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	1961 /* "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	1962 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1963 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1964 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1965 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1966 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1967 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1968 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1969 else
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 const FCHAR_T *digitp = dp->precision_start + 1;
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 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1974 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1975 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1976 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1977 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1978 }
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 switch (type)
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 case TYPE_U8_STRING:
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 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	1985 const uint8_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1986 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1987
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1988 if (has_precision)
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 /* Use only PRECISION characters, from the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1991 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1992 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1993 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1994 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1995 int count = u8_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1996 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	1997 break;
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 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2000 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2001 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2002 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2003 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2004 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2005 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2006 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2007 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2008 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2009 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2010 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2011 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2012 else if (has_width)
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 /* 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	2015 characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2016 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2017 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2018 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2019 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2020 int count = u8_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2021 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2022 break;
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 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2025 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2026 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2027 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2028 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2029 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2030 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2031 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2032 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2033 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2034 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2035 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2036 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2037 else
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 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2040 arg_end = arg + u8_strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2041 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2042 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2043 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2044
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2045 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2046 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2047 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2048 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2049 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2050 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2051 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2052 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2053
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2054 # if DCHAR_IS_UINT8_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2055 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2056 size_t n = arg_end - arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2057 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2058 DCHAR_CPY (result + length, arg, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2059 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2060 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2061 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2062 { /* Convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2063 DCHAR_T *converted = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2064 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	2065 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2066 /* Convert from UTF-8 to locale encoding. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2067 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2068 u8_conv_to_encoding (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2069 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2070 arg, arg_end - arg, NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2071 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	2072 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2073 /* 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	2074 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2075 U8_TO_DCHAR (arg, arg_end - arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2076 converted, &converted_len);
11509 ef4e896a3b4f Simplify calling convention of u_conv_to_encoding. Bruno Haible <bruno@clisp.org>* parents: 11422 diff changeset	2077 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2078 if (converted == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2079 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2080 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2081 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2082 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2083 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2084 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2085 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2086 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2087 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2088 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2089 if (converted != result + length)
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 ENSURE_ALLOCATION (xsum (length, converted_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2092 DCHAR_CPY (result + length, converted, converted_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2093 free (converted);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2094 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2095 length += converted_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2096 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2097 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2098
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2099 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2100 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2101 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2102 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2103 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2104 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2105 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2106 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2107 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2108 break;
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 case TYPE_U16_STRING:
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 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	2113 const uint16_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2114 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2115
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2116 if (has_precision)
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 /* Use only PRECISION characters, from the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2119 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2120 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2121 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2122 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2123 int count = u16_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2124 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2125 break;
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 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2128 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2129 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2130 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2131 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2132 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2133 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2134 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2135 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2136 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2137 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2138 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2139 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2140 else if (has_width)
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 /* 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	2143 characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2144 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2145 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2146 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2147 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2148 int count = u16_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2149 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2150 break;
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 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2153 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2154 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2155 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2156 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2157 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2158 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2159 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2160 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2161 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2162 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2163 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2164 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2165 else
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 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2168 arg_end = arg + u16_strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2169 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2170 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2171 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2172
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2173 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2174 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2175 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2176 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2177 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2178 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2179 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2180 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2181
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2182 # if DCHAR_IS_UINT16_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2183 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2184 size_t n = arg_end - arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2185 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2186 DCHAR_CPY (result + length, arg, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2187 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2188 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2189 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2190 { /* Convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2191 DCHAR_T *converted = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2192 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	2193 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2194 /* Convert from UTF-16 to locale encoding. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2195 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2196 u16_conv_to_encoding (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2197 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2198 arg, arg_end - arg, NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2199 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	2200 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2201 /* 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	2202 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2203 U16_TO_DCHAR (arg, arg_end - arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2204 converted, &converted_len);
11509 ef4e896a3b4f Simplify calling convention of u_conv_to_encoding. Bruno Haible <bruno@clisp.org>* parents: 11422 diff changeset	2205 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2206 if (converted == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2207 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2208 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2209 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2210 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2211 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2212 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2213 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2214 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2215 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2216 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2217 if (converted != result + length)
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 ENSURE_ALLOCATION (xsum (length, converted_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2220 DCHAR_CPY (result + length, converted, converted_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2221 free (converted);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2222 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2223 length += converted_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2224 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2225 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2226
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2227 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2228 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2229 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2230 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2231 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2232 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2233 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2234 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2235 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2236 break;
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 case TYPE_U32_STRING:
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 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	2241 const uint32_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2242 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2243
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2244 if (has_precision)
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 /* Use only PRECISION characters, from the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2247 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2248 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2249 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2250 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2251 int count = u32_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2252 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2253 break;
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 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2256 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2257 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2258 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2259 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2260 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2261 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2262 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2263 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2264 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2265 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2266 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2267 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2268 else if (has_width)
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 /* 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	2271 characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2272 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2273 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2274 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2275 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2276 int count = u32_strmblen (arg_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2277 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2278 break;
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 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2281 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2282 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2283 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2284 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2285 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2286 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2287 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2288 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2289 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2290 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2291 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2292 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2293 else
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 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2296 arg_end = arg + u32_strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2297 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2298 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2299 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2300
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2301 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2302 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2303 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2304 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2305 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2306 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2307 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2308 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2309
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2310 # if DCHAR_IS_UINT32_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2311 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2312 size_t n = arg_end - arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2313 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2314 DCHAR_CPY (result + length, arg, n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2315 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2316 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2317 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2318 { /* Convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2319 DCHAR_T *converted = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2320 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	2321 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2322 /* Convert from UTF-32 to locale encoding. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2323 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2324 u32_conv_to_encoding (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2325 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2326 arg, arg_end - arg, NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2327 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	2328 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2329 /* 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	2330 converted =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2331 U32_TO_DCHAR (arg, arg_end - arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2332 converted, &converted_len);
11509 ef4e896a3b4f Simplify calling convention of u_conv_to_encoding. Bruno Haible <bruno@clisp.org>* parents: 11422 diff changeset	2333 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2334 if (converted == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2335 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2336 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2337 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2338 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2339 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2340 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2341 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2342 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2343 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2344 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2345 if (converted != result + length)
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 ENSURE_ALLOCATION (xsum (length, converted_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2348 DCHAR_CPY (result + length, converted, converted_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2349 free (converted);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2350 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2351 length += converted_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2352 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2353 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2354
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2355 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2356 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2357 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2358 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2359 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2360 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2361 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2362 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2363 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2364 break;
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 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2367 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2368 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2369 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2370 #endif
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	2371 #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	2372 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	2373 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2374 && 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	2375 # else
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 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2378 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2379 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2380 /* 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	2381 allocating a temporary buffer. The determination of its
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2382 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	2383 specified, below requires a conversion between a char[]
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2384 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	2385 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	2386 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	2387 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	2388 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	2389 directive ourselves. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2390 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2391 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2392 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2393 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2394 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2395
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2396 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2397 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2398 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2399 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2400 if (dp->width_arg_index != ARG_NONE)
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 int arg;
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 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	2405 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2406 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	2407 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2408 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2409 /* "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	2410 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2411 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2412 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2413 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2414 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2415 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2416 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2417 else
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 const FCHAR_T *digitp = dp->width_start;
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 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2422 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2423 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2424 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2425 has_width = 1;
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2428 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2429 precision = 6;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2430 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2431 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2432 if (dp->precision_arg_index != ARG_NONE)
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 int arg;
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 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	2437 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2438 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	2439 /* "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	2440 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2441 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2442 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2443 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2444 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2445 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2446 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2447 else
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 const FCHAR_T *digitp = dp->precision_start + 1;
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 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2452 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2453 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2454 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2455 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2456 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2457
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2458 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2459 /* %s in vasnwprintf. See the specification of fwprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2460 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2461 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	2462 const char *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2463 size_t characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2464
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2465 if (has_precision)
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 /* 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	2468 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	2469 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2470 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2471 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	2472 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2473 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2474 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2475 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2476 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2477 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2478 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2479 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	2480 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2481 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	2482 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2483 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2484 /* Found the terminating NUL. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2485 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2486 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2487 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2488 /* Invalid or incomplete multibyte character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2489 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2490 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2491 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2492 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2493 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2494 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2495 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2496 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2497 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2498 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2499 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2500 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2501 else if (has_width)
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 /* 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	2504 characters. */
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2505 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2506 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2507 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	2508 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2509 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2510 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2511 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2512 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2513 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2514 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2515 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	2516 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2517 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	2518 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2519 if (count == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2520 /* Found the terminating NUL. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2521 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2522 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2523 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2524 /* Invalid or incomplete multibyte character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2525 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2526 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2527 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2528 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2529 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2530 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2531 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2532 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2533 arg_end += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2534 characters++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2535 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2536 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2537 else
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 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2540 arg_end = arg + strlen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2541 /* The number of characters doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2542 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2543 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2544
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2545 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2546 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2547 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2548 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2549 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2550 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2551 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2552 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2553
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2554 if (has_precision \|\| has_width)
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 /* 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	2557 size_t remaining;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2558 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2559 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2560 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	2561 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2562 ENSURE_ALLOCATION (xsum (length, characters));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2563 for (remaining = characters; remaining > 0; remaining--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2564 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2565 wchar_t wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2566 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2567 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2568 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	2569 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2570 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	2571 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2572 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2573 /* mbrtowc not consistent with mbrlen, or mbtowc
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2574 not consistent with mblen. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2575 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2576 result[length++] = wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2577 arg += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2578 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2579 if (!(arg == arg_end))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2580 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2581 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2582 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2583 {
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2584 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2585 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2586 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	2587 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2588 while (arg < arg_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2589 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2590 wchar_t wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2591 int count;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2592 # if HAVE_MBRTOWC
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2593 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	2594 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2595 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	2596 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2597 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2598 /* mbrtowc not consistent with mbrlen, or mbtowc
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2599 not consistent with mblen. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2600 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2601 ENSURE_ALLOCATION (xsum (length, 1));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2602 result[length++] = wc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2603 arg += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2604 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2605 }
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 if (has_width && width > characters
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2608 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2609 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2610 size_t n = width - characters;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2611 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2612 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2613 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2614 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2615 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2616 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2617 /* %ls in vasnprintf. See the specification of fprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2618 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2619 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	2620 const wchar_t *arg_end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2621 size_t characters;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2622 # if !DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2623 /* This code assumes that TCHAR_T is 'char'. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2624 typedef int TCHAR_T_verify[2 * (sizeof (TCHAR_T) == 1) - 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2625 TCHAR_T *tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2626 DCHAR_T *tmpdst;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2627 size_t tmpdst_len;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2628 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2629 size_t w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2630
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2631 if (has_precision)
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 /* 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	2634 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	2635 # 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	2636 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2637 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	2638 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2639 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2640 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2641 while (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2642 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2643 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2644 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2645
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2646 if (*arg_end == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2647 /* Found the terminating null wide character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2648 break;
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2649 # 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	2650 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	2651 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2652 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	2653 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2654 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2655 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2656 /* Cannot convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2657 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2658 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2659 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2660 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2661 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2662 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2663 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2664 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2665 if (precision < count)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2666 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2667 arg_end++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2668 characters += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2669 precision -= count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2670 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2671 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2672 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2673 else if (has_width)
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2674 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2675 else
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2676 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2677 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2678 /* 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	2679 bytes. */
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2680 # 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	2681 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2682 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	2683 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2684 arg_end = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2685 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2686 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2687 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2688 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2689 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2690
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2691 if (*arg_end == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2692 /* Found the terminating null wide character. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2693 break;
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2694 # 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	2695 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	2696 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2697 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	2698 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2699 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2700 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2701 /* Cannot convert. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2702 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2703 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2704 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2705 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2706 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2707 errno = EILSEQ;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2708 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2709 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2710 arg_end++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2711 characters += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2712 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2713 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2714 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2715 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2716 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2717 /* Use the entire string. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2718 arg_end = arg + local_wcslen (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2719 /* The number of bytes doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2720 characters = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2721 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2722 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2723
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2724 # if !DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2725 /* 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	2726 tmpsrc = (TCHAR_T ) malloc (characters sizeof (TCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2727 if (tmpsrc == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2728 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2729 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2730 TCHAR_T *tmpptr = tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2731 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	2732 # 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	2733 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2734 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	2735 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2736 for (remaining = characters; remaining > 0; )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2737 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2738 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2739 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2740
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2741 if (*arg == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2742 abort ();
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2743 # 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	2744 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	2745 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2746 count = wctomb (cbuf, *arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2747 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2748 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2749 /* Inconsistency. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2750 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2751 memcpy (tmpptr, cbuf, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2752 tmpptr += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2753 arg++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2754 remaining -= count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2755 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2756 if (!(arg == arg_end))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2757 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2758 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2759
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2760 /* Convert from TCHAR_T[] to DCHAR_T[]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2761 tmpdst =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2762 DCHAR_CONV_FROM_ENCODING (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2763 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2764 tmpsrc, characters,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2765 NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2766 NULL, &tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2767 if (tmpdst == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2768 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2769 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2770 free (tmpsrc);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2771 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2772 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2773 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2774 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2775 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2776 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2777 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2778 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2779 free (tmpsrc);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2780 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2781
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2782 if (has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2783 {
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2784 # if ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2785 /* 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	2786 against the number of _characters_ of the converted
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2787 value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2788 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	2789 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2790 /* 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	2791 of the converted value, says POSIX. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2792 w = characters;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2793 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2794 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2795 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2796 /* w doesn't matter. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2797 w = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2798
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2799 if (has_width && width > w
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2800 && !(dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2801 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2802 size_t n = width - w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2803 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2804 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2805 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2806 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2807
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2808 # if DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2809 if (has_precision \|\| has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2810 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2811 /* We know the number of bytes in advance. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2812 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	2813 # 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	2814 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2815 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	2816 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2817 ENSURE_ALLOCATION (xsum (length, characters));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2818 for (remaining = characters; remaining > 0; )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2819 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2820 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2821 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2822
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2823 if (*arg == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2824 abort ();
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2825 # 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	2826 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	2827 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2828 count = wctomb (cbuf, *arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2829 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2830 if (count <= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2831 /* Inconsistency. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2832 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2833 memcpy (result + length, cbuf, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2834 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2835 arg++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2836 remaining -= count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2837 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2838 if (!(arg == arg_end))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2839 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2840 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2841 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2842 {
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2843 # 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	2844 mbstate_t state;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2845 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	2846 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2847 while (arg < arg_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2848 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2849 char cbuf[64]; /* Assume MB_CUR_MAX <= 64. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2850 int count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2851
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2852 if (*arg == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2853 abort ();
12552 adc711ccbbd5 vasnprintf: Avoid passing an 'rpl_mbstate_t ' to the system's wcrtomb. Bruno Haible <bruno@clisp.org>* parents: 12421 diff changeset	2854 # 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	2855 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	2856 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2857 count = wctomb (cbuf, *arg);
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2858 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2859 if (count <= 0)
13198 2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2860 {
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2861 /* Cannot convert. */
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2862 if (!(result == resultbuf \|\| result == NULL))
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2863 free (result);
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2864 if (buf_malloced != NULL)
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2865 free (buf_malloced);
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2866 CLEANUP ();
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2867 errno = EILSEQ;
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2868 return NULL;
2f3ddf3c58a5 vasnprintf: Fix crash in %ls directive. Bruno Haible <bruno@clisp.org> parents: 13197 diff changeset	2869 }
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2870 ENSURE_ALLOCATION (xsum (length, count));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2871 memcpy (result + length, cbuf, count);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2872 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2873 arg++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2874 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2875 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2876 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2877 ENSURE_ALLOCATION (xsum (length, tmpdst_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2878 DCHAR_CPY (result + length, tmpdst, tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2879 free (tmpdst);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2880 length += tmpdst_len;
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2881 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2882
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2883 if (has_width && width > w
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2884 && (dp->flags & FLAG_LEFT))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2885 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2886 size_t n = width - w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2887 ENSURE_ALLOCATION (xsum (length, n));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2888 DCHAR_SET (result + length, ' ', n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2889 length += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2890 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2891 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2892 }
11207 4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2893 # endif
4daf474e9033 vasnprintf: Fix invalid read past end of memory block. Bruno Haible <bruno@clisp.org> parents: 10462 diff changeset	2894 #endif
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2895 #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	2896 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	2897 # 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	2898 && (0
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_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2900 \|\| 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	2901 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2902 # if NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2903 \|\| 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	2904 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2905 )
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 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2908 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2909 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	2910 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2911 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2912 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2913 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2914 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2915 size_t tmp_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2916 DCHAR_T tmpbuf[700];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2917 DCHAR_T *tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2918 DCHAR_T *pad_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2919 DCHAR_T *p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2920
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2921 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2922 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2923 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2924 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2925 if (dp->width_arg_index != ARG_NONE)
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 int arg;
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 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	2930 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2931 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	2932 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2933 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2934 /* "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	2935 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2936 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2937 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2938 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2939 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2940 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2941 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2942 else
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 const FCHAR_T *digitp = dp->width_start;
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 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2947 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2948 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2949 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2950 has_width = 1;
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2953 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2954 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2955 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2956 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2957 if (dp->precision_arg_index != ARG_NONE)
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 int arg;
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 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	2962 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2963 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	2964 /* "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	2965 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2966 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2967 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2968 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2969 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2970 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2971 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2972 else
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 const FCHAR_T *digitp = dp->precision_start + 1;
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 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2977 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2978 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2979 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2980 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2981 }
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 /* Allocate a temporary buffer of sufficient size. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2984 if (type == TYPE_LONGDOUBLE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2985 tmp_length =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2986 (unsigned int) ((LDBL_DIG + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2987 * 0.831 /* decimal -> hexadecimal */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2988 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2989 + 1; /* turn floor into ceil */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2990 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2991 tmp_length =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2992 (unsigned int) ((DBL_DIG + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2993 * 0.831 /* decimal -> hexadecimal */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2994 )
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2995 + 1; /* turn floor into ceil */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2996 if (tmp_length < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2997 tmp_length = precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2998 /* Account for sign, decimal point etc. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	2999 tmp_length = xsum (tmp_length, 12);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3000
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3001 if (tmp_length < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3002 tmp_length = width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3003
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3004 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	3005
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3006 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3007 tmp = tmpbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3008 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3009 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3010 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	3011
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3012 if (size_overflow_p (tmp_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3013 /* Overflow, would lead to out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3014 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3015 tmp = (DCHAR_T *) malloc (tmp_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3016 if (tmp == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3017 /* Out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3018 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3019 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3020
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3021 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3022 p = tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3023 if (type == TYPE_LONGDOUBLE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3024 {
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3025 # 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	3026 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	3027
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3028 if (isnanl (arg))
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 (dp->conversion == 'A')
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 p++ = 'N'; p++ = 'A'; *p++ = 'N';
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 else
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 p++ = 'n'; p++ = 'a'; *p++ = 'n';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3039 else
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 int sign = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3042 DECL_LONG_DOUBLE_ROUNDING
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3043
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3044 BEGIN_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 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	3047 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3048 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3049 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3050 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3051
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3052 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3053 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3054 else if (flags & FLAG_SHOWSIGN)
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_SPACE)
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3059 if (arg > 0.0L && arg + arg == arg)
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 (dp->conversion == 'A')
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 p++ = 'I'; p++ = 'N'; *p++ = 'F';
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 else
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 p++ = 'i'; p++ = 'n'; *p++ = 'f';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3070 else
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 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3073 long double mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3074
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3075 if (arg > 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3076 mantissa = printf_frexpl (arg, &exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3077 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3078 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3079 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3080 mantissa = 0.0L;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3081 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3082
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3083 if (has_precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3084 && 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	3085 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3086 /* Round the mantissa. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3087 long double tail = mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3088 size_t q;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3089
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3090 for (q = precision; ; 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 int digit = (int) tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3093 tail -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3094 if (q == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3095 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3096 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	3097 tail = 1 - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3098 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3099 tail = - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3100 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3101 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3102 tail *= 16.0L;
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 if (tail != 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3105 for (q = precision; q > 0; q--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3106 tail *= 0.0625L;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3107 mantissa += tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3108 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3109
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3110 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3111 *p++ = dp->conversion - 'A' + 'X';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3112 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3113 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3114 int digit;
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 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3117 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3118 *p++ = '0' + digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3119 if ((flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3120 \|\| mantissa > 0.0L \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3121 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3122 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3123 /* This loop terminates because we assume
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3124 that FLT_RADIX is a power of 2. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3125 while (mantissa > 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3126 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3127 mantissa *= 16.0L;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3128 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3129 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3130 *p++ = digit
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3131 + (digit < 10
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3132 ? '0'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3133 : dp->conversion - 10);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3134 if (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3135 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3136 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3137 while (precision > 0)
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3140 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3141 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3142 }
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 *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	3145 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3146 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3147 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3148 { '%', '+', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3149 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3150 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3151 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3152 p++;
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3153 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3154 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3155 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3156 sprintf ((char *) p, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3157 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3158 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3159 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3160 else
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 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3163 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3164 sprintf (expbuf, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3165 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3166 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3167 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3168 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3169 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3170
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3171 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3172 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3173 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3174 abort ();
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3175 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3176 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3177 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3178 {
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3179 # 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	3180 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	3181
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3182 if (isnand (arg))
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 (dp->conversion == 'A')
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 p++ = 'N'; p++ = 'A'; *p++ = 'N';
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 else
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 p++ = 'n'; p++ = 'a'; *p++ = 'n';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3193 else
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 int sign = 0;
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 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	3198 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3199 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3200 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3201 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3202
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3203 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3204 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3205 else if (flags & FLAG_SHOWSIGN)
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_SPACE)
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3210 if (arg > 0.0 && arg + arg == arg)
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 (dp->conversion == 'A')
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 p++ = 'I'; p++ = 'N'; *p++ = 'F';
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 else
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 p++ = 'i'; p++ = 'n'; *p++ = 'f';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3221 else
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 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3224 double mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3225
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3226 if (arg > 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3227 mantissa = printf_frexp (arg, &exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3228 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3229 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3230 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3231 mantissa = 0.0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3232 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3233
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3234 if (has_precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3235 && 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	3236 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3237 /* Round the mantissa. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3238 double tail = mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3239 size_t q;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3240
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3241 for (q = precision; ; 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 int digit = (int) tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3244 tail -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3245 if (q == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3246 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3247 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	3248 tail = 1 - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3249 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3250 tail = - tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3251 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3252 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3253 tail *= 16.0;
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 if (tail != 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3256 for (q = precision; q > 0; q--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3257 tail *= 0.0625;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3258 mantissa += tail;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3259 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3260
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3261 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3262 *p++ = dp->conversion - 'A' + 'X';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3263 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3264 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3265 int digit;
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 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3268 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3269 *p++ = '0' + digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3270 if ((flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3271 \|\| mantissa > 0.0 \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3272 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3273 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3274 /* This loop terminates because we assume
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3275 that FLT_RADIX is a power of 2. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3276 while (mantissa > 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3277 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3278 mantissa *= 16.0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3279 digit = (int) mantissa;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3280 mantissa -= digit;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3281 *p++ = digit
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3282 + (digit < 10
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3283 ? '0'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3284 : dp->conversion - 10);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3285 if (precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3286 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3287 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3288 while (precision > 0)
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3291 precision--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3292 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3293 }
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 *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	3296 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3297 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3298 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3299 { '%', '+', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3300 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3301 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3302 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3303 p++;
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3304 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3305 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3306 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3307 sprintf ((char *) p, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3308 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3309 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3310 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3311 else
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 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3314 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3315 sprintf (expbuf, "%+d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3316 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3317 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3318 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3319 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3320 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3321 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3322 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3323 abort ();
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	3324 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3325 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3326 /* 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	3327 zero padding insertion point being at pad_ptr. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3328 if (has_width && p - tmp < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3329 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3330 size_t pad = width - (p - tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3331 DCHAR_T *end = p + pad;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3332
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3333 if (flags & FLAG_LEFT)
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 /* Pad with spaces on the right. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3336 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3337 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3338 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3339 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
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 /* Pad with zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3342 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3343
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3344 while (p > pad_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3345 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3346 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3347 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3348 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3349 else
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 /* Pad with spaces on the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3352 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3353
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3354 while (p > tmp)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3355 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3356 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3357 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3358 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3359
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3360 p = end;
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
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 size_t count = p - tmp;
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 if (count >= tmp_length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3367 /* tmp_length was incorrectly calculated - fix the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3368 code above! */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3369 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3370
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3371 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3372 if (count >= allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3373 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3374 size_t n = xsum (length, count);
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 ENSURE_ALLOCATION (n);
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3379 /* Append the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3380 memcpy (result + length, tmp, count * sizeof (DCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3381 if (tmp != tmpbuf)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3382 free (tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3383 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3384 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3385 }
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	3386 #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	3387 #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	3388 else if ((dp->conversion == 'f' \|\| dp->conversion == 'F'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3389 \|\| dp->conversion == 'e' \|\| dp->conversion == 'E'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3390 \|\| dp->conversion == 'g' \|\| dp->conversion == 'G'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3391 \|\| dp->conversion == 'a' \|\| dp->conversion == 'A')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3392 && (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	3393 # if NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3394 \|\| 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	3395 # elif NEED_PRINTF_INFINITE_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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3397 /* The systems (mingw) which produce wrong output
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3398 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	3399 Therefore we treat this case here as well. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3400 && 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	3401 # endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3402 # if NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3403 \|\| 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	3404 # elif NEED_PRINTF_INFINITE_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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3406 /* Some systems produce wrong output for Inf,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3407 -Inf, and NaN. Some systems in this category
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3408 (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	3409 treat this case here as well. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3410 && 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	3411 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3412 ))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3413 {
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3414 # 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	3415 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	3416 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3417 int flags = dp->flags;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3418 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3419 size_t width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3420 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3421 size_t precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3422 size_t tmp_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3423 DCHAR_T tmpbuf[700];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3424 DCHAR_T *tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3425 DCHAR_T *pad_ptr;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3426 DCHAR_T *p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3427
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3428 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3429 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3430 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3431 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3432 if (dp->width_arg_index != ARG_NONE)
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 int arg;
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 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	3437 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3438 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	3439 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3440 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3441 /* "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	3442 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3443 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3444 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3445 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3446 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3447 width = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3448 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3449 else
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 const FCHAR_T *digitp = dp->width_start;
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 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3454 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3455 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3456 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3457 has_width = 1;
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3460 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3461 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3462 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3463 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3464 if (dp->precision_arg_index != ARG_NONE)
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 int arg;
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 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	3469 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3470 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	3471 /* "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	3472 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3473 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3474 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3475 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3476 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3477 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3478 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3479 else
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 const FCHAR_T *digitp = dp->precision_start + 1;
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 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3484 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3485 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3486 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3487 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3488 }
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 /* 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	3491 %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	3492 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	3493 the default precision is 0. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3494 if (!has_precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3495 if (!(dp->conversion == 'a' \|\| dp->conversion == 'A'))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3496 precision = 6;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3497
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3498 /* 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	3499 # 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	3500 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	3501 # 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	3502 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	3503 # elif NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3504 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	3505 # elif NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3506 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	3507 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3508 tmp_length = 0;
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3509 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3510 if (tmp_length < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3511 tmp_length = precision;
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3512 # 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	3513 # 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	3514 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	3515 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3516 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3517 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3518 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	3519 if (!(isnanl (arg) \|\| arg + arg == arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3520 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3521 /* arg is finite and nonzero. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3522 int exponent = floorlog10l (arg < 0 ? -arg : arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3523 if (exponent >= 0 && tmp_length < exponent + precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3524 tmp_length = exponent + precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3525 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3526 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3527 # 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	3528 # 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	3529 # 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	3530 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	3531 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3532 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3533 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3534 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	3535 if (!(isnand (arg) \|\| arg + arg == arg))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3536 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3537 /* arg is finite and nonzero. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3538 int exponent = floorlog10 (arg < 0 ? -arg : arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3539 if (exponent >= 0 && tmp_length < exponent + precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3540 tmp_length = exponent + precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3541 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3542 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3543 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3544 /* Account for sign, decimal point etc. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3545 tmp_length = xsum (tmp_length, 12);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3546
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3547 if (tmp_length < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3548 tmp_length = width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3549
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3550 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	3551
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3552 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3553 tmp = tmpbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3554 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3555 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3556 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	3557
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3558 if (size_overflow_p (tmp_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3559 /* Overflow, would lead to out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3560 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3561 tmp = (DCHAR_T *) malloc (tmp_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3562 if (tmp == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3563 /* Out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3564 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3565 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3566
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3567 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3568 p = tmp;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3569
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3570 # 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	3571 # 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	3572 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	3573 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3574 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3575 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	3576
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3577 if (isnanl (arg))
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 (dp->conversion >= 'A' && dp->conversion <= 'Z')
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 p++ = 'N'; p++ = 'A'; *p++ = 'N';
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 else
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 p++ = 'n'; p++ = 'a'; *p++ = 'n';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3588 else
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 int sign = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3591 DECL_LONG_DOUBLE_ROUNDING
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3592
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3593 BEGIN_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 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	3596 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3597 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3598 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3599 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3600
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3601 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3602 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3603 else if (flags & FLAG_SHOWSIGN)
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_SPACE)
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3608 if (arg > 0.0L && arg + arg == arg)
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 (dp->conversion >= 'A' && dp->conversion <= 'Z')
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 p++ = 'I'; p++ = 'N'; *p++ = 'F';
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 else
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 p++ = 'i'; p++ = 'n'; *p++ = 'f';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3619 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3620 {
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3621 # if NEED_PRINTF_LONG_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3622 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3623
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3624 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
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 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3627 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3628
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3629 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3630 scale10_round_decimal_long_double (arg, precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3631 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3632 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3633 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3634 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3635 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3636 ndigits = strlen (digits);
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 if (ndigits > precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3639 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3640 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3641 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3642 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3643 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3644 while (ndigits > precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3645 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3646 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3647 /* Here ndigits <= precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3648 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3649 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3650 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3651 for (; precision > ndigits; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3652 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3653 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3654 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3655 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3656 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3657 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3658 }
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 free (digits);
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 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
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 int exponent;
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 if (arg == 0.0L)
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 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3669 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3670 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3671 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3672 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3673 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3674 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3675 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3676 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3677 else
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 /* arg > 0.0L. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3680 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3681 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3682 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3683
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3684 exponent = floorlog10l (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3685 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3686 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3687 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3688 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3689 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3690 (int)precision - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3691 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3692 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3693 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3694 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3695 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3696 ndigits = strlen (digits);
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 if (ndigits == precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3699 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3700 if (ndigits < precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3701 \|\| ndigits > precision + 2)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3702 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3703 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3704 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3705 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3706 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3707 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3708 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3709 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3710 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3711 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3712 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3713 else
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 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3716 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3717 /* Here ndigits = precision+1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3718 if (is_borderline (digits, precision))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3719 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3720 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3721 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3722 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3723 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3724 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3725 (int)precision - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3726 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3727 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3728 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3729 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3730 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3731 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3732 if (strlen (digits2) == precision + 1)
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 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3735 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3736 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3737 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3738 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3739 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3740 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3741 /* Here ndigits = precision+1. */
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 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3744 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3745 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3746 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3747 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3748 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3749 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3750 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3751 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3752 }
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 free (digits);
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3757 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	3758 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3759 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3760 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3761 { '%', '+', '.', '2', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3762 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3763 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3764 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3765 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	3766 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3767 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3768 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3769 sprintf ((char *) p, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3770 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3771 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3772 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3773 else
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 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3776 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3777 sprintf (expbuf, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3778 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3779 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3780 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3781 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3782 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3783 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
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 if (precision == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3786 precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3787 /* precision >= 1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3788
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3789 if (arg == 0.0L)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3790 /* The exponent is 0, >= -4, < precision.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3791 Use fixed-point notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3792 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3793 size_t ndigits = precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3794 /* Number of trailing zeroes that have to be
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3795 dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3796 size_t nzeroes =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3797 (flags & FLAG_ALT ? 0 : precision - 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3798
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3799 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3800 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3801 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3802 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3803 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3804 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3805 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3806 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3807 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3808 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3809 }
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 else
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 /* arg > 0.0L. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3814 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3815 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3816 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3817 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3818 size_t nzeroes;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3819
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3820 exponent = floorlog10l (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3821 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3822 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3823 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3824 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3825 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3826 (int)(precision - 1) - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3827 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3828 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3829 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3830 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3831 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3832 ndigits = strlen (digits);
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 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3835 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3836 if (ndigits < precision - 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3837 \|\| ndigits > precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3838 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3839 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3840 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3841 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3842 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3843 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3844 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3845 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3846 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3847 if (ndigits < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3848 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3849 else
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 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3852 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3853 /* Here ndigits = precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3854 if (is_borderline (digits, precision - 1))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3855 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3856 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3857 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3858 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3859 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3860 scale10_round_decimal_long_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3861 (int)(precision - 1) - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3862 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3863 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3864 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3865 END_LONG_DOUBLE_ROUNDING ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3866 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3867 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3868 if (strlen (digits2) == precision)
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 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3871 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3872 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3873 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3874 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3875 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3876 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3877 /* Here ndigits = precision. */
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 /* Determine the number of trailing zeroes
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3880 that have to be dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3881 nzeroes = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3882 if ((flags & FLAG_ALT) == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3883 while (nzeroes < ndigits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3884 && digits[nzeroes] == '0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3885 nzeroes++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3886
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3887 /* The exponent is now determined. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3888 if (exponent >= -4
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3889 && exponent < (long)precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3890 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3891 /* Fixed-point notation:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3892 max(exponent,0)+1 digits, then the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3893 decimal point, then the remaining
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3894 digits without trailing zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3895 if (exponent >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3896 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3897 size_t count = exponent + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3898 /* Note: count <= precision = ndigits. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3899 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3900 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3901 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3902 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3903 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3904 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3905 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3906 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3907 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3908 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3909 }
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 else
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 size_t count = -exponent - 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3914 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3915 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3916 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3917 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3918 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3919 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3920 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3921 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3922 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3923 }
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 else
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 /* Exponential notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3928 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3929 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3930 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3931 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3932 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3933 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3934 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3935 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3936 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3937 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3938 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	3939 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3940 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3941 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3942 { '%', '+', '.', '2', 'd', '\0' };
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3943 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3944 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3945 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3946 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	3947 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3948 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3949 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3950 sprintf ((char *) p, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3951 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3952 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3953 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3954 else
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 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3957 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3958 sprintf (expbuf, "%+.2d", exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3959 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3960 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3961 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3962 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3963 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3964
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3965 free (digits);
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3968 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3969 abort ();
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3970 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3971 /* arg is finite. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3972 if (!(arg == 0.0L))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3973 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3974
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3975 pad_ptr = p;
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 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3980 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3981 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3982 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3983 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3984 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3985 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3986 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3987 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3990 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3991 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3992 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3993 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3994 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3995 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3996 p++ = dp->conversion; / 'e' or 'E' */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3997 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3998 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	3999 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4000 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4001 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4004 if (flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4005 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4006 size_t ndigits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4007 (precision > 0 ? precision - 1 : 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4008 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4009 for (; ndigits > 0; --ndigits)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4010 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4011 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4012 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4013 else if (dp->conversion == 'a' \|\| dp->conversion == 'A')
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4016 *p++ = dp->conversion - 'A' + 'X';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4017 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4018 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4019 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4020 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4021 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4022 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4023 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4024 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4025 *p++ = dp->conversion - 'A' + 'P';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4026 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4027 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4028 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4029 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4030 abort ();
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	4031 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4032 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4033
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4034 END_LONG_DOUBLE_ROUNDING ();
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 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4037 # 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	4038 else
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	4039 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	4040 # 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	4041 # 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	4042 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4043 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	4044
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4045 if (isnand (arg))
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 (dp->conversion >= 'A' && dp->conversion <= 'Z')
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 p++ = 'N'; p++ = 'A'; *p++ = 'N';
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 else
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 p++ = 'n'; p++ = 'a'; *p++ = 'n';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4056 else
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 int sign = 0;
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 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	4061 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4062 sign = -1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4063 arg = -arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4064 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4065
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4066 if (sign < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4067 *p++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4068 else if (flags & FLAG_SHOWSIGN)
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_SPACE)
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4073 if (arg > 0.0 && arg + arg == arg)
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 (dp->conversion >= 'A' && dp->conversion <= 'Z')
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 p++ = 'I'; p++ = 'N'; *p++ = 'F';
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 else
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 p++ = 'i'; p++ = 'n'; *p++ = 'f';
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4084 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4085 {
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4086 # if NEED_PRINTF_DOUBLE
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4087 pad_ptr = p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4088
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4089 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
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 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4092 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4093
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4094 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4095 scale10_round_decimal_double (arg, precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4096 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4097 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4098 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4099
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4100 if (ndigits > precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4101 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4102 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4103 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4104 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4105 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4106 while (ndigits > precision);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4107 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4108 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4109 /* Here ndigits <= precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4110 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4111 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4112 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4113 for (; precision > ndigits; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4114 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4115 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4116 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4117 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4118 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4119 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4120 }
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 free (digits);
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 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
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 int exponent;
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 if (arg == 0.0)
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 exponent = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4131 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4132 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4133 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4134 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4135 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4136 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4137 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4138 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4139 else
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 /* arg > 0.0. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4142 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4143 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4144 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4145
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4146 exponent = floorlog10 (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4147 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4148 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4149 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4150 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4151 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4152 (int)precision - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4153 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4154 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4155 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4156
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4157 if (ndigits == precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4158 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4159 if (ndigits < precision
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4160 \|\| ndigits > precision + 2)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4161 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4162 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4163 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4164 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4165 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4166 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4167 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4168 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4169 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4170 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4171 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4172 else
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 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4175 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4176 /* Here ndigits = precision+1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4177 if (is_borderline (digits, precision))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4178 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4179 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4180 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4181 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4182 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4183 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4184 (int)precision - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4185 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4186 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4187 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4188 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4189 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4190 if (strlen (digits2) == precision + 1)
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 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4193 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4194 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4195 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4196 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4197 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4198 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4199 /* Here ndigits = precision+1. */
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 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4202 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4203 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4204 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4205 while (ndigits > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4206 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4207 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4208 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4209 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4210 }
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 free (digits);
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4215 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	4216 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4217 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4218 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4219 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4220 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	4221 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4222 { '%', '+', '.', '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	4223 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4224 { '%', '+', '.', '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	4225 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4226 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4227 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4228 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4229 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	4230 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4231 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4232 static const char decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4233 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4234 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	4235 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4236 "%+.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	4237 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4238 "%+.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	4239 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4240 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4241 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4242 sprintf ((char *) p, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4243 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4244 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4245 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4246 else
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 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4249 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4250 sprintf (expbuf, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4251 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4252 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4253 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4254 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4255 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4256 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4257 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
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 if (precision == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4260 precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4261 /* precision >= 1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4262
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4263 if (arg == 0.0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4264 /* The exponent is 0, >= -4, < precision.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4265 Use fixed-point notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4266 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4267 size_t ndigits = precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4268 /* Number of trailing zeroes that have to be
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4269 dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4270 size_t nzeroes =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4271 (flags & FLAG_ALT ? 0 : precision - 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4272
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4273 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4274 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4275 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4276 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4277 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4278 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4279 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4280 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4281 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4282 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4283 }
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 else
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 /* arg > 0.0. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4288 int exponent;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4289 int adjusted;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4290 char *digits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4291 size_t ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4292 size_t nzeroes;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4293
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4294 exponent = floorlog10 (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4295 adjusted = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4296 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4297 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4298 digits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4299 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4300 (int)(precision - 1) - exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4301 if (digits == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4302 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4303 ndigits = strlen (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4304
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4305 if (ndigits == precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4306 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4307 if (ndigits < precision - 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4308 \|\| ndigits > precision + 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4309 /* The exponent was not guessed
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4310 precisely enough. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4311 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4312 if (adjusted)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4313 /* None of two values of exponent is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4314 the right one. Prevent an endless
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4315 loop. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4316 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4317 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4318 if (ndigits < precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4319 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4320 else
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 adjusted = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4323 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4324 /* Here ndigits = precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4325 if (is_borderline (digits, precision - 1))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4326 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4327 /* Maybe the exponent guess was too high
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4328 and a smaller exponent can be reached
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4329 by turning a 10...0 into 9...9x. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4330 char *digits2 =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4331 scale10_round_decimal_double (arg,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4332 (int)(precision - 1) - exponent + 1);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4333 if (digits2 == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4334 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4335 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4336 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4337 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4338 if (strlen (digits2) == precision)
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 free (digits);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4341 digits = digits2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4342 exponent -= 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4343 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4344 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4345 free (digits2);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4346 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4347 /* Here ndigits = precision. */
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 /* Determine the number of trailing zeroes
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4350 that have to be dropped. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4351 nzeroes = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4352 if ((flags & FLAG_ALT) == 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4353 while (nzeroes < ndigits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4354 && digits[nzeroes] == '0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4355 nzeroes++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4356
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4357 /* The exponent is now determined. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4358 if (exponent >= -4
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4359 && exponent < (long)precision)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4360 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4361 /* Fixed-point notation:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4362 max(exponent,0)+1 digits, then the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4363 decimal point, then the remaining
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4364 digits without trailing zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4365 if (exponent >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4366 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4367 size_t count = exponent + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4368 /* Note: count <= precision = ndigits. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4369 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4370 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4371 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4372 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4373 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4374 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4375 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4376 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4377 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4378 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4379 }
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 else
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 size_t count = -exponent - 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4384 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4385 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4386 for (; count > 0; count--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4387 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4388 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4389 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4390 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4391 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4392 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4393 }
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 else
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 /* Exponential notation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4398 *p++ = digits[--ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4399 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4400 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4401 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4402 while (ndigits > nzeroes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4403 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4404 --ndigits;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4405 *p++ = digits[ndigits];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4406 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4407 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4408 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	4409 # if WIDE_CHAR_VERSION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4410 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4411 static const wchar_t decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4412 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4413 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	4414 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4415 { '%', '+', '.', '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	4416 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4417 { '%', '+', '.', '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	4418 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4419 SNPRINTF (p, 6 + 1, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4420 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4421 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4422 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	4423 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4424 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4425 static const char decimal_format[] =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4426 /* Produce the same number of exponent digits
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4427 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	4428 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4429 "%+.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	4430 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4431 "%+.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	4432 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4433 if (sizeof (DCHAR_T) == 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4434 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4435 sprintf ((char *) p, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4436 while (*p != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4437 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4438 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4439 else
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 char expbuf[6 + 1];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4442 const char *ep;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4443 sprintf (expbuf, decimal_format, exponent);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4444 for (ep = expbuf; (p = ep) != '\0'; ep++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4445 p++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4446 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4447 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	4448 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4449 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4450
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4451 free (digits);
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4454 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4455 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	4456 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4457 /* arg is finite. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4458 if (!(arg == 0.0))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4459 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4460
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4461 pad_ptr = p;
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 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4466 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4467 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4468 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4469 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4470 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4471 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4472 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4473 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4476 if ((flags & FLAG_ALT) \|\| precision > 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4477 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4478 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4479 for (; precision > 0; precision--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4480 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4481 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4482 p++ = dp->conversion; / 'e' or 'E' */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4483 *p++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4484 /* Produce the same number of exponent digits as
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4485 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	4486 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4487 *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	4488 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4489 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4490 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4491 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4492 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
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 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4495 if (flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4496 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4497 size_t ndigits =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4498 (precision > 0 ? precision - 1 : 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4499 *p++ = decimal_point_char ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4500 for (; ndigits > 0; --ndigits)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4501 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4502 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4503 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4504 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4505 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	4506 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4507 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4508 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4509 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	4510 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	4511
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4512 /* 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	4513 zero padding insertion point being at pad_ptr. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4514 if (has_width && p - tmp < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4515 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4516 size_t pad = width - (p - tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4517 DCHAR_T *end = p + pad;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4518
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4519 if (flags & FLAG_LEFT)
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 /* Pad with spaces on the right. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4522 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4523 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4524 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4525 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
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 /* Pad with zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4528 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4529
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4530 while (p > pad_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4531 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4532 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4533 *p++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4534 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4535 else
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 /* Pad with spaces on the left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4538 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4539
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4540 while (p > tmp)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4541 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4542 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4543 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4544 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4545
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4546 p = end;
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
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 size_t count = p - tmp;
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 if (count >= tmp_length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4553 /* tmp_length was incorrectly calculated - fix the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4554 code above! */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4555 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4556
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4557 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4558 if (count >= allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4559 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4560 size_t n = xsum (length, count);
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 ENSURE_ALLOCATION (n);
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4565 /* Append the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4566 memcpy (result + length, tmp, count * sizeof (DCHAR_T));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4567 if (tmp != tmpbuf)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4568 free (tmp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4569 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4570 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4571 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	4572 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4573 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4574 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4575 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	4576 int flags = dp->flags;
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4577 #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	4578 int has_width;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4579 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	4580 #endif
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4581 #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	4582 int has_precision;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4583 size_t precision;
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4584 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4585 #if NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4586 int prec_ourselves;
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4587 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4588 # 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	4589 #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	4590 #if NEED_PRINTF_FLAG_LEFTADJUST
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4591 # 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	4592 #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	4593 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	4594 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4595 # 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	4596 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4597 TCHAR_T *fbp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4598 unsigned int prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4599 int prefixes[2] IF_LINT (= { 0 });
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4600 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4601 size_t tmp_length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4602 TCHAR_T tmpbuf[700];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4603 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	4604 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4605
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4606 #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	4607 has_width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4608 width = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4609 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4610 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4611 if (dp->width_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4612 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4613 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4614
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4615 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	4616 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4617 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	4618 if (arg < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4619 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4620 /* "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	4621 followed by a positive field width." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4622 flags \|= FLAG_LEFT;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4623 width = (unsigned int) (-arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4624 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4625 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4626 width = 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 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4630 const FCHAR_T *digitp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4631
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4632 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4633 width = xsum (xtimes (width, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4634 while (digitp != dp->width_end);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4635 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4636 has_width = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4637 }
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4638 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4639
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4640 #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	4641 has_precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4642 precision = 6;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4643 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4644 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4645 if (dp->precision_arg_index != ARG_NONE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4646 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4647 int arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4648
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4649 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	4650 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4651 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	4652 /* "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	4653 were omitted." */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4654 if (arg >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4655 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4656 precision = arg;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4657 has_precision = 1;
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4660 else
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 const FCHAR_T *digitp = dp->precision_start + 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4663
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4664 precision = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4665 while (digitp != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4666 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4667 has_precision = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4668 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4669 }
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4670 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4671
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4672 /* Decide whether to handle the precision ourselves. */
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4673 #if NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4674 switch (dp->conversion)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4675 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4676 case 'd': case 'i': case 'u':
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4677 case 'o':
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4678 case 'x': case 'X': case 'p':
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4679 prec_ourselves = has_precision && (precision > 0);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4680 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4681 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4682 prec_ourselves = 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 }
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4685 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4686
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4687 /* Decide whether to perform the padding ourselves. */
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4688 #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	4689 switch (dp->conversion)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4690 {
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4691 # if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4692 /* 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	4693 to perform the padding after this conversion. Functions
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4694 with unistdio extensions perform the padding based on
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4695 character count rather than element count. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4696 case 'c': case 's':
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4697 # endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4698 # if NEED_PRINTF_FLAG_ZERO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4699 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	4700 case 'a': case 'A':
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4701 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4702 pad_ourselves = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4703 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4704 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4705 pad_ourselves = prec_ourselves;
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 }
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4708 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4709
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4710 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4711 /* 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	4712 sprintf. */
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4713 tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4714 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	4715 flags, width, has_precision, precision,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	4716 pad_ourselves);
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4717
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4718 if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4719 tmp = tmpbuf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4720 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4721 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4722 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	4723
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4724 if (size_overflow_p (tmp_memsize))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4725 /* Overflow, would lead to out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4726 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4727 tmp = (TCHAR_T *) malloc (tmp_memsize);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4728 if (tmp == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4729 /* Out of memory. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4730 goto out_of_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4731 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4732 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4733
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4734 /* Construct the format string for calling snprintf or
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4735 sprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4736 fbp = buf;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4737 *fbp++ = '%';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4738 #if NEED_PRINTF_FLAG_GROUPING
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4739 /* The underlying implementation doesn't support the ' flag.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4740 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	4741 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	4742 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4743 if (flags & FLAG_GROUP)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4744 *fbp++ = '\'';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4745 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4746 if (flags & FLAG_LEFT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4747 *fbp++ = '-';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4748 if (flags & FLAG_SHOWSIGN)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4749 *fbp++ = '+';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4750 if (flags & FLAG_SPACE)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4751 *fbp++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4752 if (flags & FLAG_ALT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4753 *fbp++ = '#';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4754 if (!pad_ourselves)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4755 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4756 if (flags & FLAG_ZERO)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4757 *fbp++ = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4758 if (dp->width_start != dp->width_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4759 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4760 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	4761 /* The width specification is known to consist only
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4762 of standard ASCII characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4763 if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4764 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4765 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	4766 fbp += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4767 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4768 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4769 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4770 const FCHAR_T *mp = dp->width_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4771 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4772 fbp++ = (unsigned char) mp++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4773 while (--n > 0);
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 }
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 if (!prec_ourselves)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4778 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4779 if (dp->precision_start != dp->precision_end)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4780 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4781 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	4782 /* The precision specification is known to consist only
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4783 of standard ASCII characters. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4784 if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
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 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	4787 fbp += n;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4788 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4789 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4790 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4791 const FCHAR_T *mp = dp->precision_start;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4792 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4793 fbp++ = (unsigned char) mp++;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4794 while (--n > 0);
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 }
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
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4799 switch (type)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4800 {
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4801 #if HAVE_LONG_LONG_INT
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4802 case TYPE_LONGLONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4803 case TYPE_ULONGLONGINT:
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4804 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4805 *fbp++ = 'I';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4806 *fbp++ = '6';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4807 *fbp++ = '4';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4808 break;
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4809 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4810 *fbp++ = 'l';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4811 /FALLTHROUGH/
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4812 # endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4813 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4814 case TYPE_LONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4815 case TYPE_ULONGINT:
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4816 #if HAVE_WINT_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4817 case TYPE_WIDE_CHAR:
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4818 #endif
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4819 #if HAVE_WCHAR_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4820 case TYPE_WIDE_STRING:
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4821 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4822 *fbp++ = 'l';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4823 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4824 case TYPE_LONGDOUBLE:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4825 *fbp++ = 'L';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4826 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4827 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4828 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4829 }
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4830 #if NEED_PRINTF_DIRECTIVE_F
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4831 if (dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4832 *fbp = 'f';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4833 else
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4834 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4835 *fbp = dp->conversion;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4836 #if USE_SNPRINTF
9676 cbba7bfe013b Don't use %n on native Woe32 systems, to avoid a crash on Windows Vista systems. Bruno Haible <bruno@clisp.org> parents: 9674 diff changeset	4837 # if !(__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) \|\| ((defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__))
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4838 fbp[1] = '%';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4839 fbp[2] = 'n';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4840 fbp[3] = '\0';
9361 40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4841 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4842 /* On glibc2 systems from glibc >= 2.3 - probably also older
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4843 ones - we know that snprintf's returns value conforms to
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4844 ISO C 99: the gl_SNPRINTF_DIRECTIVE_N test passes.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4845 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	4846 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	4847 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	4848 (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	4849 in this situation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4850 /* 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	4851 %n because:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4852 - Although the gl_SNPRINTF_TRUNCATION_C99 test fails,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4853 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	4854 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	4855 '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	4856 - 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	4857 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	4858 buffer size: it returns -1 in this case.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4859 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	4860 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	4861 crashes the program. See
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4862 <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	4863 <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	4864 So we should avoid %n in this situation. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4865 fbp[1] = '\0';
9361 40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4866 # endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4867 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4868 fbp[1] = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4869 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4870
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4871 /* Construct the arguments for calling snprintf or sprintf. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4872 prefix_count = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4873 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	4874 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4875 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	4876 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4877 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	4878 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4879 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	4880 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4881 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	4882 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4883 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	4884 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4885
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4886 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4887 /* 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	4888 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	4889 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	4890 sizeof (TCHAR_T) divides sizeof (DCHAR_T) and
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4891 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	4892 # 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	4893 /* 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	4894 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	4895 ENSURE_ALLOCATION (xsum (length,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4896 (2 + TCHARS_PER_DCHAR - 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4897 / TCHARS_PER_DCHAR));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4898 /* Prepare checking whether snprintf returns the count
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4899 via %n. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4900 (TCHAR_T ) (result + length) = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4901 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4902
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4903 for (;;)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4904 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4905 int count = -1;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4906
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4907 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4908 int retcount = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4909 size_t maxlen = allocated - length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4910 /* SNPRINTF can fail if its second argument is
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4911 > INT_MAX. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4912 if (maxlen > INT_MAX / TCHARS_PER_DCHAR)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4913 maxlen = INT_MAX / TCHARS_PER_DCHAR;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4914 maxlen = maxlen * TCHARS_PER_DCHAR;
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	4915 # define SNPRINTF_BUF(arg) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4916 switch (prefix_count) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4917 { \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4918 case 0: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4919 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4920 maxlen, buf, \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4921 arg, &count); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4922 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4923 case 1: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4924 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4925 maxlen, buf, \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4926 prefixes[0], arg, &count); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4927 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4928 case 2: \
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 prefixes[0], prefixes[1], arg, \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4932 &count); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4933 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4934 default: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4935 abort (); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4936 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4937 #else
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	4938 # define SNPRINTF_BUF(arg) \
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4939 switch (prefix_count) \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4940 { \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4941 case 0: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4942 count = sprintf (tmp, buf, arg); \
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 case 1: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4945 count = sprintf (tmp, buf, prefixes[0], arg); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4946 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4947 case 2: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4948 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4949 arg); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4950 break; \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4951 default: \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4952 abort (); \
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4953 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4954 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4955
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4956 switch (type)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4957 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4958 case TYPE_SCHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4959 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4960 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	4961 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4962 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4963 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4964 case TYPE_UCHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4965 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4966 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	4967 SNPRINTF_BUF (arg);
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 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4970 case TYPE_SHORT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4971 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4972 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	4973 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4974 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4975 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4976 case TYPE_USHORT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4977 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4978 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	4979 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4980 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4981 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4982 case TYPE_INT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4983 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4984 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	4985 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4986 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4987 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4988 case TYPE_UINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4989 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4990 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	4991 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4992 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4993 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4994 case TYPE_LONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4995 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4996 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	4997 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4998 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	4999 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5000 case TYPE_ULONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5001 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5002 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	5003 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5004 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5005 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	5006 #if HAVE_LONG_LONG_INT
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5007 case TYPE_LONGLONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5008 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5009 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	5010 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5011 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5012 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5013 case TYPE_ULONGLONGINT:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5014 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5015 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	5016 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5017 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5018 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5019 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5020 case TYPE_DOUBLE:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5021 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5022 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	5023 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5024 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5025 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5026 case TYPE_LONGDOUBLE:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5027 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5028 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	5029 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5030 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5031 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5032 case TYPE_CHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5033 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5034 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	5035 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5036 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5037 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	5038 #if HAVE_WINT_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5039 case TYPE_WIDE_CHAR:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5040 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5041 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	5042 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5043 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5044 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5045 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5046 case TYPE_STRING:
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 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	5049 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5050 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5051 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	5052 #if HAVE_WCHAR_T
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5053 case TYPE_WIDE_STRING:
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 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	5056 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5057 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5058 break;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5059 #endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5060 case TYPE_POINTER:
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 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	5063 SNPRINTF_BUF (arg);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5064 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5065 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5066 default:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5067 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5068 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5069
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5070 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5071 /* Portability: Not all implementations of snprintf()
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5072 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	5073 bytes that snprintf() has produced or would have
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5074 produced. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5075 if (count >= 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5076 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5077 /* Verify that snprintf() has NUL-terminated its
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5078 result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5079 if (count < maxlen
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5080 && ((TCHAR_T *) (result + length)) [count] != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5081 abort ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5082 /* Portability hack. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5083 if (retcount > count)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5084 count = retcount;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5085 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5086 else
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 /* snprintf() doesn't understand the '%n'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5089 directive. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5090 if (fbp[1] != '\0')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5091 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5092 /* Don't use the '%n' directive; instead, look
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5093 at the snprintf() return value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5094 fbp[1] = '\0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5095 continue;
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 /* Look at the snprintf() return value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5100 if (retcount < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5101 {
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5102 # if !HAVE_SNPRINTF_RETVAL_C99
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5103 /* HP-UX 10.20 snprintf() is doubly deficient:
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5104 It doesn't understand the '%n' directive,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5105 and it returns -1 (rather than the length
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5106 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	5107 buffer is too small.
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5108 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	5109 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	5110 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	5111 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	5112 floating-point argument. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5113 size_t tmp_length =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5114 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	5115 dp->conversion, type, flags,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5116 width, has_precision,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5117 precision, pad_ourselves);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5118
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5119 if (maxlen < tmp_length)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5120 {
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5121 /* 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	5122 this reallocation only once. */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5123 size_t bigger_need =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5124 xsum (length,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5125 xsum (tmp_length,
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5126 TCHARS_PER_DCHAR - 1)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5127 / TCHARS_PER_DCHAR);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5128 /* And always grow proportionally.
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5129 (There may be several arguments, each
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5130 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	5131 previous one.) */
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5132 size_t bigger_need2 =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5133 xsum (xtimes (allocated, 2), 12);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5134 if (bigger_need < bigger_need2)
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5135 bigger_need = bigger_need2;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5136 ENSURE_ALLOCATION (bigger_need);
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5137 continue;
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5138 }
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5139 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5140 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5141 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5142 count = retcount;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5143 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5144 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5145 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5146
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5147 /* Attempt to handle failure. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5148 if (count < 0)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5149 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5150 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5151 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5152 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5153 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5154 CLEANUP ();
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5155 errno =
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5156 (dp->conversion == 'c' \|\| dp->conversion == 's'
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5157 ? EILSEQ
af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5158 : EINVAL);
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5159 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5160 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5161
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5162 #if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5163 /* Handle overflow of the allocated buffer.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5164 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	5165 returns a count >= maxlen. However, a non-compliant
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5166 snprintf() function returns only count = maxlen - 1. To
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5167 cover both cases, test whether count >= maxlen - 1. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5168 if ((unsigned int) count + 1 >= maxlen)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5169 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5170 /* If maxlen already has attained its allowed maximum,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5171 allocating more memory will not increase maxlen.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5172 Instead of looping, bail out. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5173 if (maxlen == INT_MAX / TCHARS_PER_DCHAR)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5174 goto overflow;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5175 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5176 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5177 /* Need at least (count + 1) * sizeof (TCHAR_T)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5178 bytes. (The +1 is for the trailing NUL.)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5179 But ask for (count + 2) * sizeof (TCHAR_T)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5180 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	5181 maxlen > (unsigned int) count + 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5182 and so we don't get here again.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5183 And allocate proportionally, to avoid looping
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5184 eternally if snprintf() reports a too small
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5185 count. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5186 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5187 xmax (xsum (length,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5188 ((unsigned int) count + 2
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5189 + TCHARS_PER_DCHAR - 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5190 / TCHARS_PER_DCHAR),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5191 xtimes (allocated, 2));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5192
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5193 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5194 continue;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5195 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5196 }
8837 6d6277df29a9 Fix logic bug introduced on 2007-05-06. Bruno Haible <bruno@clisp.org> parents: 8835 diff changeset	5197 #endif
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5198
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5199 #if NEED_PRINTF_UNBOUNDED_PRECISION
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5200 if (prec_ourselves)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5201 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5202 /* Handle the precision. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5203 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	5204 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5205 (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	5206 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5207 tmp;
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5208 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5209 size_t prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5210 size_t move;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5211
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5212 prefix_count = 0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5213 /* Put the additional zeroes after the sign. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5214 if (count >= 1
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5215 && (prec_ptr == '-' \|\| prec_ptr == '+'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5216 \|\| *prec_ptr == ' '))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5217 prefix_count = 1;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5218 /* 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	5219 (flags & FLAG_ALT) \|\| (dp->conversion == 'p'). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5220 else if (count >= 2
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5221 && prec_ptr[0] == '0'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5222 && (prec_ptr[1] == 'x' \|\| prec_ptr[1] == 'X'))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5223 prefix_count = 2;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5224
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5225 move = count - prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5226 if (precision > move)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5227 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5228 /* Insert zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5229 size_t insert = precision - move;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5230 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	5231
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5232 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5233 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5234 xsum (length,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5235 (count + insert + TCHARS_PER_DCHAR - 1)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5236 / TCHARS_PER_DCHAR);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5237 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	5238 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5239 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	5240 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	5241 # endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5242
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5243 prec_end = prec_ptr + count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5244 prec_ptr += prefix_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5245
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5246 while (prec_end > prec_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5247 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5248 prec_end--;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5249 prec_end[insert] = prec_end[0];
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5250 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5251
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5252 prec_end += insert;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5253 do
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5254 *--prec_end = '0';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5255 while (prec_end > prec_ptr);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5256
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5257 count += insert;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5258 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5259 }
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5260 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	5261
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5262 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5263 if (count >= tmp_length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5264 /* tmp_length was incorrectly calculated - fix the
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5265 code above! */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5266 abort ();
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5267 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5268
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5269 #if !DCHAR_IS_TCHAR
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5270 /* Convert from TCHAR_T[] to DCHAR_T[]. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5271 if (dp->conversion == 'c' \|\| dp->conversion == 's')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5272 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5273 /* 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	5274 TYPE_WIDE_STRING.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5275 The result string is not certainly ASCII. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5276 const TCHAR_T *tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5277 DCHAR_T *tmpdst;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5278 size_t tmpdst_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5279 /* This code assumes that TCHAR_T is 'char'. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5280 typedef int TCHAR_T_verify
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5281 [2 * (sizeof (TCHAR_T) == 1) - 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	5282 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5283 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	5284 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5285 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	5286 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5287 tmpdst =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5288 DCHAR_CONV_FROM_ENCODING (locale_charset (),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5289 iconveh_question_mark,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5290 tmpsrc, count,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5291 NULL,
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5292 NULL, &tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5293 if (tmpdst == NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5294 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5295 int saved_errno = errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5296 if (!(result == resultbuf \|\| result == NULL))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5297 free (result);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5298 if (buf_malloced != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5299 free (buf_malloced);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5300 CLEANUP ();
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5301 errno = saved_errno;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5302 return NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5303 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5304 ENSURE_ALLOCATION (xsum (length, tmpdst_len));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5305 DCHAR_CPY (result + length, tmpdst, tmpdst_len);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5306 free (tmpdst);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5307 count = tmpdst_len;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5308 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5309 else
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 /* The result string is ASCII.
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5312 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	5313 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5314 /* 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	5315 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	5316 at (result + length). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5317 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	5318 # endif
12421 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 const TCHAR_T *tmpsrc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5321 DCHAR_T *tmpdst;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5322 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	5323
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5324 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5325 if (result == resultbuf)
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 tmpsrc = (TCHAR_T *) (result + length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5328 /* ENSURE_ALLOCATION will not move tmpsrc
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5329 (because it's part of resultbuf). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5330 ENSURE_ALLOCATION (xsum (length, count));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5331 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5332 else
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5333 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5334 /* ENSURE_ALLOCATION will move the array
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5335 (because it uses realloc(). */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5336 ENSURE_ALLOCATION (xsum (length, count));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5337 tmpsrc = (TCHAR_T *) (result + length);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5338 }
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 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5340 tmpsrc = tmp;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5341 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	5342 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5343 tmpdst = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5344 /* Copy backwards, because of overlapping. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5345 tmpsrc += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5346 tmpdst += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5347 for (n = count; n > 0; n--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5348 --tmpdst = (unsigned char) --tmpsrc;
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 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5351 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5352
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5353 #if DCHAR_IS_TCHAR && !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5354 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5355 if (count > allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5356 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5357 /* Need at least count elements. But allocate
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5358 proportionally. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5359 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5360 xmax (xsum (length, count), xtimes (allocated, 2));
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5361
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5362 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5363 }
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5364 #endif
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	5365
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5366 /* Here count <= allocated - length. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5367
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5368 /* 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	5369 #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	5370 if (pad_ourselves && has_width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5371 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5372 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	5373 # if ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5374 /* 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	5375 against the number of _characters_ of the converted
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5376 value. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5377 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	5378 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5379 /* 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	5380 of the converted value, says POSIX. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5381 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	5382 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5383 if (w < width)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5384 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5385 size_t pad = width - w;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5386
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5387 /* Make room for the result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5388 if (xsum (count, pad) > allocated - length)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5389 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5390 /* Need at least count + pad elements. But
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5391 allocate proportionally. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5392 size_t n =
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5393 xmax (xsum3 (length, count, pad),
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5394 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	5395
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5396 # if USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5397 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5398 ENSURE_ALLOCATION (n);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5399 length -= count;
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5400 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5401 ENSURE_ALLOCATION (n);
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	5402 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5403 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5404 /* Here 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 {
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5407 # if !DCHAR_IS_TCHAR \|\| USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5408 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	5409 # else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5410 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	5411 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5412 DCHAR_T *p = rp + count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5413 DCHAR_T *end = p + pad;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5414 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	5415 # if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5416 if (dp->conversion == 'c'
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5417 \|\| dp->conversion == 's')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5418 /* No zero-padding for string directives. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5419 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5420 else
9672 c0fb9d4d860d Fix bug introduced on 2007-06-10. Bruno Haible <bruno@clisp.org> parents: 9651 diff changeset	5421 # endif
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5422 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5423 pad_ptr = (*rp == '-' ? rp + 1 : rp);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5424 /* No zero-padding of "inf" and "nan". */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5425 if ((pad_ptr >= 'A' && pad_ptr <= 'Z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5426 \|\| (pad_ptr >= 'a' && pad_ptr <= 'z'))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5427 pad_ptr = NULL;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5428 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5429 /* 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	5430 with the zero padding insertion point being at
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5431 pad_ptr. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5432
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5433 count = count + pad; /* = end - rp */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5434
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5435 if (flags & FLAG_LEFT)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5436 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5437 /* Pad with spaces on the right. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5438 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5439 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5440 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5441 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5442 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5443 /* Pad with zeroes. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5444 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5445
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5446 while (p > pad_ptr)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5447 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5448 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5449 *p++ = '0';
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 else
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 left. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5454 DCHAR_T *q = end;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5455
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5456 while (p > rp)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5457 --q = --p;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5458 for (; pad > 0; pad--)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5459 *p++ = ' ';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5460 }
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 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5463 }
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	5464 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	5465
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5466 /* Here still count <= allocated - length. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5467
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5468 #if !DCHAR_IS_TCHAR \|\| USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5469 /* The snprintf() result did fit. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5470 #else
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5471 /* Append the sprintf() result. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5472 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	5473 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	5474 #if !USE_SNPRINTF
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5475 if (tmp != tmpbuf)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5476 free (tmp);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5477 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5478
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	5479 #if NEED_PRINTF_DIRECTIVE_F
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5480 if (dp->conversion == 'F')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5481 {
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5482 /* 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	5483 DCHAR_T *rp = result + length;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5484 size_t rc;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5485 for (rc = count; rc > 0; rc--, rp++)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5486 if (rp >= 'a' && rp <= 'z')
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5487 rp = rp - 'a' + 'A';
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5488 }
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	5489 #endif
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	5490
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5491 length += count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5492 break;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5493 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5494 }
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5495 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5496 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5497
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5498 /* Add the final NUL. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5499 ENSURE_ALLOCATION (xsum (length, 1));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5500 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5501
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5502 if (result != resultbuf && length + 1 < allocated)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5503 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5504 /* Shrink the allocated memory if possible. */
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5505 DCHAR_T *memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5506
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5507 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	5508 if (memory != NULL)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 12344 diff changeset	5509 result = memory;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5510 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5511
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5512 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5513 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5514 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5515 *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	5516 /* 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	5517 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	5518 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	5519 not have this limitation. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5520 return result;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5521
9651 cee38e50f29c vasnprintf.c: Avoid warning about unused label Jim Meyering <meyering@redhat.com> parents: 9646 diff changeset	5522 #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	5523 overflow:
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5524 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	5525 free (result);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5526 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	5527 free (buf_malloced);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5528 CLEANUP ();
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5529 errno = EOVERFLOW;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5530 return NULL;
9651 cee38e50f29c vasnprintf.c: Avoid warning about unused label Jim Meyering <meyering@redhat.com> parents: 9646 diff changeset	5531 #endif
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	5532
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5533 out_of_memory:
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5534 if (!(result == resultbuf \|\| result == NULL))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5535 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5536 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5537 free (buf_malloced);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	5538 out_of_memory_1:
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5539 CLEANUP ();
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5540 errno = ENOMEM;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	5541 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5542 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	5543 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5544
13199 af2bd6fe2a98 vasnprintf: Correct handling of unconvertible wide string arguments. Bruno Haible <bruno@clisp.org> parents: 13198 diff changeset	5545 #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	5546 #undef TCHARS_PER_DCHAR
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5547 #undef SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5548 #undef USE_SNPRINTF
11804 73f84ac92381 Undefine DCHAR_SET after use. Bruno Haible <bruno@clisp.org> parents: 11511 diff changeset	5549 #undef DCHAR_SET
9450 9928de4bfe8a Undefine two macros after they are not needed any more. Bruno Haible <bruno@clisp.org> parents: 9446 diff changeset	5550 #undef DCHAR_CPY
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5551 #undef PRINTF_PARSE
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5552 #undef DIRECTIVES
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5553 #undef DIRECTIVE
9450 9928de4bfe8a Undefine two macros after they are not needed any more. Bruno Haible <bruno@clisp.org> parents: 9446 diff changeset	5554 #undef DCHAR_IS_TCHAR
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	5555 #undef TCHAR_T
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	5556 #undef DCHAR_T
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	5557 #undef FCHAR_T
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	5558 #undef VASNPRINTF

Mercurial > hg > octave-lojdl > gnulib-hg

annotate lib/vasnprintf.c @ 13199:af2bd6fe2a98