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

annotate lib/vasnprintf.c @ 10264:ebb7ea0c94e8

Rename isnand.h to isnand-nolibm.h, similarly for isnanf.h.

author	Ben Pfaff <blp@cs.stanford.edu>
date	Sat, 12 Jul 2008 10:41:34 -0700
parents	14be34f63d45
children	4b3ac67aa7bc

rev	line source
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* vsprintf with automatic memory allocation.
9646 a113e473cc98 Rename isnan, applicable to 'double' only, to isnand. Bruno Haible <bruno@clisp.org> parents: 9489 diff changeset	2 Copyright (C) 1999, 2002-2008 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
8400 655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	70 #include <locale.h> /* localeconv() */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	71 #include <stdio.h> /* snprintf(), sprintf() */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	72 #include <stdlib.h> /* abort(), malloc(), realloc(), free() */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	73 #include <string.h> /* memcpy(), strlen() */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	74 #include <errno.h> /* errno */
7218 0fd12ba5cfc6 Do the INT_MAX check only where size_t is converted to 'int'. Bruno Haible <bruno@clisp.org> parents: 6583 diff changeset	75 #include <limits.h> /* CHAR_BIT */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: 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
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	120 #if HAVE_WCHAR_T
9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	121 # if HAVE_WCSLEN
4523 6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	122 # define local_wcslen wcslen
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	123 # else
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	124 /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	125 a dependency towards this library, here is a local substitute.
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	126 Define this substitute only once, even if this file is included
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	127 twice in the same compilation unit. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	128 # ifndef local_wcslen_defined
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	129 # define local_wcslen_defined 1
4523 6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	130 static size_t
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	131 local_wcslen (const wchar_t *s)
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	132 {
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	133 const wchar_t *ptr;
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	134
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	135 for (ptr = s; *ptr != (wchar_t) 0; ptr++)
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	136 ;
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	137 return ptr - s;
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	138 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	139 # endif
4523 6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	140 # endif
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	141 #endif
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	142
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	143 /* 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	144 #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	145 # 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	146 # 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	147 # 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	148 # 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	149 # 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	150 # 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	151 # 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	152 # 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	153 # 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	154 # define DCHAR_CPY wmemcpy
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	155 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	156 # 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	157 # 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	158 # 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	159 # 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	160 # 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	161 # 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	162 # 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	163 # 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	164 # define DCHAR_CPY memcpy
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	165 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	166 #endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	167 #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	168 /* TCHAR_T is wchar_t. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	169 # define USE_SNPRINTF 1
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	170 # if HAVE_DECL__SNWPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	171 /* On Windows, the function swprintf() has a different signature than
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	172 on Unix; we use the _snwprintf() function instead. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	173 # define SNPRINTF _snwprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	174 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	175 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	176 # define SNPRINTF swprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	177 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	178 #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	179 /* TCHAR_T is char. */
9940 0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	180 /* 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	181 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	182 size argument is >= 0x3000000.
0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	183 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	184 writes any output without bounds, like sprintf. */
0471a8660b70 Work around snprintf bug on Linux libc5. Bruno Haible <bruno@clisp.org> parents: 9939 diff changeset	185 # 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	186 # define USE_SNPRINTF 1
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	187 # else
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	188 # define USE_SNPRINTF 0
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	189 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	190 # if HAVE_DECL__SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	191 /* Windows. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	192 # define SNPRINTF _snprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	193 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	194 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	195 # define SNPRINTF snprintf
8417 ee40afd85f2c Avoid an endless recursion. Bruno Haible <bruno@clisp.org> parents: 8400 diff changeset	196 /* 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	197 # undef snprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	198 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	199 #endif
8424 ec3450ce9889 Use the system's sprintf function. Bruno Haible <bruno@clisp.org> parents: 8417 diff changeset	200 /* 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	201 #undef sprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	202
10102 8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	203 /* 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	204 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	205 #ifdef lint
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	206 # define IF_LINT(Code) Code
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	207 #else
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	208 # define IF_LINT(Code) /* empty */
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	209 #endif
8d61236d099c Avoid one more warning from gcc. Bruno Haible <bruno@clisp.org> parents: 10101 diff changeset	210
10084 e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	211 /* Avoid some warnings from "gcc -Wshadow".
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	212 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	213 #undef exp
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	214 #define exp expo
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	215 #undef remainder
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	216 #define remainder rem
e4945463e1bf Avoid some warnings from "gcc -Wshadow". Bruno Haible <bruno@clisp.org> parents: 9940 diff changeset	217
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	218 #if (NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_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	219 /* 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	220 # 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	221 # 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	222 static char
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	223 decimal_point_char ()
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	224 {
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	225 const char *point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	226 /* Determine it in a multithread-safe way. We know nl_langinfo is
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	227 multithread-safe on glibc systems, but is not required to be multithread-
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	228 safe by POSIX. sprintf(), however, is multithread-safe. localeconv()
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	229 is rarely multithread-safe. */
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	230 # if HAVE_NL_LANGINFO && __GLIBC__
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	231 point = nl_langinfo (RADIXCHAR);
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	232 # elif 1
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	233 char pointbuf[5];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	234 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	235 point = &pointbuf[1];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	236 # else
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	237 point = localeconv () -> decimal_point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	238 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	239 /* 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	240 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	241 }
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	242 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	243 #endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	244
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	245 #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	246
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	247 /* 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	248 static int
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	249 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	250 {
9646 a113e473cc98 Rename isnan, applicable to 'double' only, to isnand. Bruno Haible <bruno@clisp.org> parents: 9489 diff changeset	251 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	252 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	253
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	254 #endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	255
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	256 #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	257
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	258 /* Equivalent to !isfinite(x), but does not require libm. */
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	259 static int
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	260 is_infinitel (long double x)
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	261 {
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	262 return isnanl (x) \|\| (x + x == x && x != 0.0L);
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	263 }
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	264
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	265 #endif
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	266
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	267 #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	268
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	269 /* 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	270 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	271 (and slower) algorithms. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	272
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	273 typedef unsigned int mp_limb_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	274 # define GMP_LIMB_BITS 32
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	275 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	276
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	277 typedef unsigned long long mp_twolimb_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	278 # define GMP_TWOLIMB_BITS 64
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	279 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	280
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	281 /* Representation of a bignum >= 0. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	282 typedef struct
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	283 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	284 size_t nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	285 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	286 } mpn_t;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	287
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	288 /* Compute the product of two bignums >= 0.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	289 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	290 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	291 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	292 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	293 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	294 const mp_limb_t *p1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	295 const mp_limb_t *p2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	296 size_t len1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	297 size_t len2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	298
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	299 if (src1.nlimbs <= src2.nlimbs)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	300 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	301 len1 = src1.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	302 p1 = src1.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	303 len2 = src2.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	304 p2 = src2.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	305 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	306 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	307 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	308 len1 = src2.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	309 p1 = src2.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	310 len2 = src1.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	311 p2 = src1.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	312 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	313 /* Now 0 <= len1 <= len2. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	314 if (len1 == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	315 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	316 /* src1 or src2 is zero. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	317 dest->nlimbs = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	318 dest->limbs = (mp_limb_t *) malloc (1);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	319 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	320 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	321 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	322 /* Here 1 <= len1 <= len2. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	323 size_t dlen;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	324 mp_limb_t *dp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	325 size_t k, i, j;
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 dlen = len1 + len2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	328 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	329 if (dp == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	330 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	331 for (k = len2; k > 0; )
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	332 dp[--k] = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	333 for (i = 0; i < len1; i++)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	334 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	335 mp_limb_t digit1 = p1[i];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	336 mp_twolimb_t carry = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	337 for (j = 0; j < len2; j++)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	338 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	339 mp_limb_t digit2 = p2[j];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	340 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	341 carry += dp[i + j];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	342 dp[i + j] = (mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	343 carry = carry >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	344 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	345 dp[i + len2] = (mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	346 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	347 /* Normalise. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	348 while (dlen > 0 && dp[dlen - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	349 dlen--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	350 dest->nlimbs = dlen;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	351 dest->limbs = dp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	352 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	353 return dest->limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	354 }
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 /* 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	357 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	358 the remainder.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	359 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	360 q is incremented.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	361 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	362 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	363 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	364 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	365 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	366 /* Algorithm:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	367 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	368 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	369 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	370 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	371 r:=0, j:=m,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	372 while j>0 do
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	373 {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	374 = 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	375 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	376 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	377 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	378 We have a/b < beta^(m-n+1).
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	379 s:=intDsize-1-(hightest bit in b[n-1]), 0<=s<intDsize.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	380 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	381 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	382 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	383 Compute q* :
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	384 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	385 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	386 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	387 and c3 := b[n-2] * q*.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	388 {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	389 occurred. Furthermore 0 <= c3 < beta^2.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	390 If there was overflow and
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	391 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	392 the next test can be skipped.}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	393 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	394 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	395 If q* > 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	396 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	397 [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	398 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	399 u := u + q* * b[i],
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	400 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	401 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	402 r[n+j]:=r[n+j]-u.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	403 {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	404 < q* + 1 <= beta,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	405 the carry u does not overflow.}
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	406 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	407 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	408 Set q[j] := q*.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	409 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	410 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	411 rest r.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	412 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	413 Finally, round-to-even:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	414 Shift r left by 1 bit.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	415 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	416 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	417 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	418 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	419 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	420 size_t b_len = b.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	421 mp_limb_t *roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	422 mp_limb_t *tmp_roomptr = NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	423 mp_limb_t *q_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	424 size_t q_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	425 mp_limb_t *r_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	426 size_t r_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	427
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	428 /* Allocate room for a_len+2 digits.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	429 (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	430 final rounding of q.) */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	431 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	432 if (roomptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	433 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	434
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	435 /* Normalise a. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	436 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	437 a_len--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	438
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	439 /* Normalise b. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	440 for (;;)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	441 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	442 if (b_len == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	443 /* Division by zero. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	444 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	445 if (b_ptr[b_len - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	446 b_len--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	447 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	448 break;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	449 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	450
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	451 /* 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	452
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	453 if (a_len < b_len)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	454 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	455 /* 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	456 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	457 r_len = a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	458 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	459 q_ptr = roomptr + a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	460 q_len = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	461 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	462 else if (b_len == 1)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	463 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	464 /* n=1: single precision division.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	465 beta^(m-1) <= a < beta^m ==> beta^(m-2) <= a/b < beta^m */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	466 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	467 q_ptr = roomptr + 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	468 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	469 mp_limb_t den = b_ptr[0];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	470 mp_limb_t remainder = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	471 const mp_limb_t *sourceptr = a_ptr + a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	472 mp_limb_t *destptr = q_ptr + a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	473 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	474 for (count = a_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	475 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	476 mp_twolimb_t num =
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	477 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) \| *--sourceptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	478 *--destptr = num / den;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	479 remainder = num % den;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	480 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	481 /* Normalise and store r. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	482 if (remainder > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	483 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	484 r_ptr[0] = remainder;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	485 r_len = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	486 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	487 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	488 r_len = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	489 /* Normalise q. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	490 q_len = a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	491 if (q_ptr[q_len - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	492 q_len--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	493 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	494 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	495 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	496 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	497 /* n>1: multiple precision division.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	498 beta^(m-1) <= a < beta^m, beta^(n-1) <= b < beta^n ==>
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	499 beta^(m-n-1) <= a/b < beta^(m-n+1). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	500 /* Determine s. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	501 size_t s;
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 mp_limb_t msd = b_ptr[b_len - 1]; /* = b[n-1], > 0 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	504 s = 31;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	505 if (msd >= 0x10000)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	506 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	507 msd = msd >> 16;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	508 s -= 16;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	509 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	510 if (msd >= 0x100)
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 msd = msd >> 8;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	513 s -= 8;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	514 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	515 if (msd >= 0x10)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	516 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	517 msd = msd >> 4;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	518 s -= 4;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	519 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	520 if (msd >= 0x4)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	521 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	522 msd = msd >> 2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	523 s -= 2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	524 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	525 if (msd >= 0x2)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	526 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	527 msd = msd >> 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	528 s -= 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	529 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	530 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	531 /* 0 <= s < GMP_LIMB_BITS.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	532 Copy b, shifting it left by s bits. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	533 if (s > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	534 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	535 tmp_roomptr = (mp_limb_t ) malloc (b_len sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	536 if (tmp_roomptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	537 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	538 free (roomptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	539 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	540 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	541 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	542 const mp_limb_t *sourceptr = b_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	543 mp_limb_t *destptr = tmp_roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	544 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	545 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	546 for (count = b_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	547 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	548 accu += (mp_twolimb_t) *sourceptr++ << s;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	549 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	550 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	551 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	552 /* accu must be zero, since that was how s was determined. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	553 if (accu != 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	554 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	555 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	556 b_ptr = tmp_roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	557 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	558 /* Copy a, shifting it left by s bits, yields r.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	559 Memory layout:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	560 At the beginning: r = roomptr[0..a_len],
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	561 at the end: r = roomptr[0..b_len-1], q = roomptr[b_len..a_len] */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	562 r_ptr = roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	563 if (s == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	564 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	565 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	566 r_ptr[a_len] = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	567 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	568 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	569 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	570 const mp_limb_t *sourceptr = a_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	571 mp_limb_t *destptr = r_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	572 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	573 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	574 for (count = a_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	575 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	576 accu += (mp_twolimb_t) *sourceptr++ << s;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	577 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	578 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	579 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	580 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	581 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	582 q_ptr = roomptr + b_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	583 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	584 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	585 size_t j = a_len - b_len; /* m-n */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	586 mp_limb_t b_msd = b_ptr[b_len - 1]; /* b[n-1] */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	587 mp_limb_t b_2msd = b_ptr[b_len - 2]; /* b[n-2] */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	588 mp_twolimb_t b_msdd = /* b[n-1]beta+b[n-2] /
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	589 ((mp_twolimb_t) b_msd << GMP_LIMB_BITS) \| b_2msd;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	590 /* Division loop, traversed m-n+1 times.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	591 j counts down, b is unchanged, beta/2 <= b[n-1] < beta. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	592 for (;;)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	593 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	594 mp_limb_t q_star;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	595 mp_limb_t c1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	596 if (r_ptr[j + b_len] < b_msd) /* r[j+n] < b[n-1] ? */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	597 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	598 /* Divide r[j+n]beta+r[j+n-1] by b[n-1], no overflow. /
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	599 mp_twolimb_t num =
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	600 ((mp_twolimb_t) r_ptr[j + b_len] << GMP_LIMB_BITS)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	601 \| r_ptr[j + b_len - 1];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	602 q_star = num / b_msd;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	603 c1 = num % b_msd;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	604 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	605 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	606 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	607 /* Overflow, hence r[j+n]beta+r[j+n-1] >= betab[n-1]. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	608 q_star = (mp_limb_t)~(mp_limb_t)0; /* q* = beta-1 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	609 /* Test whether r[j+n]beta+r[j+n-1] - (beta-1)b[n-1] >= beta
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	610 <==> r[j+n]beta+r[j+n-1] + b[n-1] >= betab[n-1]+beta
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	611 <==> b[n-1] < floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	612 {<= beta !}.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	613 If yes, jump directly to the subtraction loop.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	614 (Otherwise, r[j+n]beta+r[j+n-1] - (beta-1)b[n-1] < beta
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	615 <==> floor((r[j+n]beta+r[j+n-1]+b[n-1])/beta) = b[n-1] ) /
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	616 if (r_ptr[j + b_len] > b_msd
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	617 \|\| (c1 = r_ptr[j + b_len - 1] + b_msd) < b_msd)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	618 /* r[j+n] >= b[n-1]+1 or
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	619 r[j+n] = b[n-1] and the addition r[j+n-1]+b[n-1] gives a
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	620 carry. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	621 goto subtract;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	622 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	623 /* q_star = q*,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	624 c1 = (r[j+n]beta+r[j+n-1]) - q * b[n-1] (>=0, <beta). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	625 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	626 mp_twolimb_t c2 = /* c1beta+r[j+n-2] /
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	627 ((mp_twolimb_t) c1 << GMP_LIMB_BITS) \| r_ptr[j + b_len - 2];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	628 mp_twolimb_t c3 = /* b[n-2] * q* */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	629 (mp_twolimb_t) b_2msd * (mp_twolimb_t) q_star;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	630 /* While c2 < c3, increase c2 and decrease c3.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	631 Consider c3-c2. While it is > 0, decrease it by
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	632 b[n-1]beta+b[n-2]. Because of b[n-1]beta+b[n-2] >= beta^2/2
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	633 this can happen only twice. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	634 if (c3 > c2)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	635 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	636 q_star = q_star - 1; /* q* := q* - 1 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	637 if (c3 - c2 > b_msdd)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	638 q_star = q_star - 1; /* q* := q* - 1 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	639 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	640 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	641 if (q_star > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	642 subtract:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	643 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	644 /* Subtract r := r - b * q* * beta^j. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	645 mp_limb_t cr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	646 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	647 const mp_limb_t *sourceptr = b_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	648 mp_limb_t *destptr = r_ptr + j;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	649 mp_twolimb_t carry = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	650 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	651 for (count = b_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	652 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	653 /* Here 0 <= carry <= q. /
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	654 carry =
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	655 carry
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	656 + (mp_twolimb_t) q_star * (mp_twolimb_t) *sourceptr++
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	657 + (mp_limb_t) ~(*destptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	658 /* Here 0 <= carry <= betaq + beta-1. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	659 *destptr++ = ~(mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	660 carry = carry >> GMP_LIMB_BITS; /* <= q* */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	661 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	662 cr = (mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	663 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	664 /* Subtract cr from r_ptr[j + b_len], then forget about
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	665 r_ptr[j + b_len]. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	666 if (cr > r_ptr[j + b_len])
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	667 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	668 /* Subtraction gave a carry. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	669 q_star = q_star - 1; /* q* := q* - 1 */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	670 /* Add b back. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	671 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	672 const mp_limb_t *sourceptr = b_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	673 mp_limb_t *destptr = r_ptr + j;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	674 mp_limb_t carry = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	675 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	676 for (count = b_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	677 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	678 mp_limb_t source1 = *sourceptr++;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	679 mp_limb_t source2 = *destptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	680 *destptr++ = source1 + source2 + carry;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	681 carry =
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	682 (carry
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	683 ? source1 >= (mp_limb_t) ~source2
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	684 : source1 > (mp_limb_t) ~source2);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	685 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	686 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	687 /* Forget about the carry and about r[j+n]. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	688 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	689 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	690 /* q* is determined. Store it as q[j]. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	691 q_ptr[j] = q_star;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	692 if (j == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	693 break;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	694 j--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	695 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	696 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	697 r_len = b_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	698 /* Normalise q. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	699 if (q_ptr[q_len - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	700 q_len--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	701 # if 0 /* Not needed here, since we need r only to compare it with b/2, and
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	702 b is shifted left by s bits. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	703 /* Shift r right by s bits. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	704 if (s > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	705 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	706 mp_limb_t ptr = r_ptr + r_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	707 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	708 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	709 for (count = r_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	710 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	711 accu = (mp_twolimb_t) (mp_limb_t) accu << GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	712 accu += (mp_twolimb_t) *--ptr << (GMP_LIMB_BITS - s);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	713 *ptr = (mp_limb_t) (accu >> GMP_LIMB_BITS);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	714 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	715 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	716 # endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	717 /* Normalise r. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	718 while (r_len > 0 && r_ptr[r_len - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	719 r_len--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	720 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	721 /* Compare r << 1 with b. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	722 if (r_len > b_len)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	723 goto increment_q;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	724 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	725 size_t i;
8835 c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	726 for (i = b_len;;)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	727 {
8835 c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	728 mp_limb_t r_i =
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	729 (i <= r_len && i > 0 ? r_ptr[i - 1] >> (GMP_LIMB_BITS - 1) : 0)
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	730 \| (i < r_len ? r_ptr[i] << 1 : 0);
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	731 mp_limb_t b_i = (i < b_len ? b_ptr[i] : 0);
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	732 if (r_i > b_i)
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	733 goto increment_q;
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	734 if (r_i < b_i)
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	735 goto keep_q;
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	736 if (i == 0)
c06bc412ffc3 Fix small bug in 'divide' function. Bruno Haible <bruno@clisp.org> parents: 8832 diff changeset	737 break;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	738 i--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	739 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	740 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	741 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	742 /* q is odd. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	743 increment_q:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	744 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	745 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	746 for (i = 0; i < q_len; i++)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	747 if (++(q_ptr[i]) != 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	748 goto keep_q;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	749 q_ptr[q_len++] = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	750 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	751 keep_q:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	752 if (tmp_roomptr != NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	753 free (tmp_roomptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	754 q->limbs = q_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	755 q->nlimbs = q_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	756 return roomptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	757 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	758
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	759 /* 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	760 representation.
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	761 Destroys the contents of a.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	762 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	763 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	764 of memory allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	765 static char *
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	766 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	767 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	768 mp_limb_t *a_ptr = a.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	769 size_t a_len = a.nlimbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	770 /* 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	771 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	772 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	773 if (c_ptr != NULL)
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 char *d_ptr = c_ptr;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	776 for (; extra_zeroes > 0; extra_zeroes--)
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	777 *d_ptr++ = '0';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	778 while (a_len > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	779 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	780 /* Divide a by 10^9, in-place. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	781 mp_limb_t remainder = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	782 mp_limb_t *ptr = a_ptr + a_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	783 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	784 for (count = a_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	785 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	786 mp_twolimb_t num =
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	787 ((mp_twolimb_t) remainder << GMP_LIMB_BITS) \| *--ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	788 *ptr = num / 1000000000;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	789 remainder = num % 1000000000;
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 /* Store the remainder as 9 decimal digits. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	792 for (count = 9; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	793 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	794 *d_ptr++ = '0' + (remainder % 10);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	795 remainder = remainder / 10;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	796 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	797 /* Normalize a. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	798 if (a_ptr[a_len - 1] == 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	799 a_len--;
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 /* Remove leading zeroes. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	802 while (d_ptr > c_ptr && d_ptr[-1] == '0')
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	803 d_ptr--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	804 /* But keep at least one zero. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	805 if (d_ptr == c_ptr)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	806 *d_ptr++ = '0';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	807 /* Terminate the string. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	808 *d_ptr = '\0';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	809 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	810 return c_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	811 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	812
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	813 # 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	814
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	815 /* Assuming x is finite and >= 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	816 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	817 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	818 allocation failure. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	819 static void *
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	820 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	821 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	822 mpn_t m;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	823 int exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	824 long double y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	825 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	826
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	827 /* Allocate memory for result. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	828 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	829 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	830 if (m.limbs == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	831 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	832 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	833 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	834 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	835 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	836 /* 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	837 latter is an integer. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	838 /* 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	839 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	840 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	841 '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	842 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	843 # 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	844 # 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	845 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	846 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	847 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	848 hi = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	849 y -= hi;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	850 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	851 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	852 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	853 lo = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	854 y -= lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	855 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	856 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	857 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	858 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	859 # else
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	860 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	861 mp_limb_t d;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	862 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	863 d = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	864 y -= d;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	865 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	866 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	867 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	868 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	869 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	870 # endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	871 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	872 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	873 mp_limb_t hi, lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	874 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	875 hi = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	876 y -= hi;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	877 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	878 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	879 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	880 lo = (int) y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	881 y -= lo;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	882 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	883 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	884 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	885 }
9489 940605ef6e9e Don't abort if the 'long double' type has excess precision. Bruno Haible <bruno@clisp.org> parents: 9462 diff changeset	886 #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	887 precision. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	888 if (!(y == 0.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	889 abort ();
9489 940605ef6e9e Don't abort if the 'long double' type has excess precision. Bruno Haible <bruno@clisp.org> parents: 9462 diff changeset	890 #endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	891 /* Normalise. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	892 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	893 m.nlimbs--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	894 *mp = m;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	895 *ep = exp - LDBL_MANT_BIT;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	896 return m.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	897 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	898
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	899 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	900
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	901 # 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	902
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	903 /* 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	904 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	905 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	906 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	907 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	908 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	909 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	910 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	911 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	912 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	913 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	914
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	915 /* 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	916 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	917 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	918 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	919 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	920 /* 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	921 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	922 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	923 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	924 /* 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	925 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	926 /* 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	927 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	928 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	929 '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	930 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	931 # 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	932 # 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	933 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	934 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	935 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	936 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	937 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	938 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	939 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	940 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	941 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	942 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	943 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	944 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	945 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	946 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	947 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	948 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	949 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	950 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	951 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	952 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	953 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	954 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	955 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	956 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	957 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	958 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	959 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	960 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	961 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	962 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	963 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	964 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	965 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	966 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	967 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	968 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	969 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	970 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	971 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	972 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	973 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	974 if (!(y == 0.0))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	975 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	976 /* Normalise. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	977 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	978 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	979 *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	980 *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	981 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	982 }
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 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	985
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	986 /* 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	987 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	988 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	989 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	990 of memory allocation failure. */
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	991 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	992 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	993 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	994 int s;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	995 size_t extra_zeroes;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	996 unsigned int abs_n;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	997 unsigned int abs_s;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	998 mp_limb_t *pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	999 size_t pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1000 unsigned int s_limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1001 unsigned int s_bits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1002 mpn_t pow5;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1003 mpn_t z;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1004 void *z_memory;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1005 char *digits;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1006
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1007 if (memory == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1008 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1009 /* x = 2^e * m, hence
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1010 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	1011 = round (2^s * 5^n * m). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1012 s = e + n;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1013 extra_zeroes = 0;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1014 /* 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	1015 if (s > 0 && n > 0)
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1016 {
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1017 extra_zeroes = (s < n ? s : n);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1018 s -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1019 n -= extra_zeroes;
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1020 }
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1021 /* 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	1022 Before converting to decimal, we need to compute
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1023 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	1024 /* 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	1025 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	1026 abs_n = (n >= 0 ? n : -n);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1027 abs_s = (s >= 0 ? s : -s);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1028 pow5_ptr = (mp_limb_t ) malloc (((int)(abs_n (2.322f / GMP_LIMB_BITS)) + 1
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1029 + abs_s / GMP_LIMB_BITS + 1)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1030 * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1031 if (pow5_ptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1032 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1033 free (memory);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1034 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1035 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1036 /* Initialize with 1. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1037 pow5_ptr[0] = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1038 pow5_len = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1039 /* Multiply with 5^\|n\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1040 if (abs_n > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1041 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1042 static mp_limb_t const small_pow5[13 + 1] =
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 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625,
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1045 48828125, 244140625, 1220703125
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1046 };
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1047 unsigned int n13;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1048 for (n13 = 0; n13 <= abs_n; n13 += 13)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1049 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1050 mp_limb_t digit1 = small_pow5[n13 + 13 <= abs_n ? 13 : abs_n - n13];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1051 size_t j;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1052 mp_twolimb_t carry = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1053 for (j = 0; j < pow5_len; j++)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1054 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1055 mp_limb_t digit2 = pow5_ptr[j];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1056 carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1057 pow5_ptr[j] = (mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1058 carry = carry >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1059 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1060 if (carry > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1061 pow5_ptr[pow5_len++] = (mp_limb_t) carry;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1062 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1063 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1064 s_limbs = abs_s / GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1065 s_bits = abs_s % GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1066 if (n >= 0 ? s >= 0 : s <= 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1067 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1068 /* Multiply with 2^\|s\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1069 if (s_bits > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1070 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1071 mp_limb_t *ptr = pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1072 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1073 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1074 for (count = pow5_len; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1075 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1076 accu += (mp_twolimb_t) *ptr << s_bits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1077 *ptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1078 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1079 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1080 if (accu > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1081 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1082 *ptr = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1083 pow5_len++;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1084 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1085 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1086 if (s_limbs > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1087 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1088 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1089 for (count = pow5_len; count > 0;)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1090 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1091 count--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1092 pow5_ptr[s_limbs + count] = pow5_ptr[count];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1093 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1094 for (count = s_limbs; count > 0;)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1095 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1096 count--;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1097 pow5_ptr[count] = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1098 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1099 pow5_len += s_limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1100 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1101 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1102 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1103 if (n >= 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1104 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1105 /* Multiply m with pow5. No division needed. */
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1106 z_memory = multiply (m, pow5, &z);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1107 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1108 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1109 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1110 /* Divide m by pow5 and round. */
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1111 z_memory = divide (m, pow5, &z);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1112 }
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 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1115 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1116 pow5.limbs = pow5_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1117 pow5.nlimbs = pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1118 if (n >= 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1119 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1120 /* n >= 0, s < 0.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1121 Multiply m with pow5, then divide by 2^\|s\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1122 mpn_t numerator;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1123 mpn_t denominator;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1124 void *tmp_memory;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1125 tmp_memory = multiply (m, pow5, &numerator);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1126 if (tmp_memory == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1127 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1128 free (pow5_ptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1129 free (memory);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1130 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1131 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1132 /* Construct 2^\|s\|. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1133 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1134 mp_limb_t *ptr = pow5_ptr + pow5_len;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1135 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1136 for (i = 0; i < s_limbs; i++)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1137 ptr[i] = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1138 ptr[s_limbs] = (mp_limb_t) 1 << s_bits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1139 denominator.limbs = ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1140 denominator.nlimbs = s_limbs + 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1141 }
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1142 z_memory = divide (numerator, denominator, &z);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1143 free (tmp_memory);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1144 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1145 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1146 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1147 /* n < 0, s > 0.
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1148 Multiply m with 2^s, then divide by pow5. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1149 mpn_t numerator;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1150 mp_limb_t *num_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1151 num_ptr = (mp_limb_t *) malloc ((m.nlimbs + s_limbs + 1)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1152 * sizeof (mp_limb_t));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1153 if (num_ptr == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1154 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1155 free (pow5_ptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1156 free (memory);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1157 return NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1158 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1159 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1160 mp_limb_t *destptr = num_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1161 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1162 size_t i;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1163 for (i = 0; i < s_limbs; i++)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1164 *destptr++ = 0;
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 if (s_bits > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1167 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1168 const mp_limb_t *sourceptr = m.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1169 mp_twolimb_t accu = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1170 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1171 for (count = m.nlimbs; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1172 {
9445 e0f2eeb1796a Fix output of floating-point values with large exponent. Bruno Haible <bruno@clisp.org> parents: 9442 diff changeset	1173 accu += (mp_twolimb_t) *sourceptr++ << s_bits;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1174 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1175 accu = accu >> GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1176 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1177 if (accu > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1178 *destptr++ = (mp_limb_t) accu;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1179 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1180 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1181 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1182 const mp_limb_t *sourceptr = m.limbs;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1183 size_t count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1184 for (count = m.nlimbs; count > 0; count--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1185 destptr++ = sourceptr++;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1186 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1187 numerator.limbs = num_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1188 numerator.nlimbs = destptr - num_ptr;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1189 }
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1190 z_memory = divide (numerator, pow5, &z);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1191 free (num_ptr);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1192 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1193 }
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1194 free (pow5_ptr);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1195 free (memory);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1196
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1197 /* 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	1198
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1199 if (z_memory == NULL)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1200 return NULL;
8838 db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1201 digits = convert_to_decimal (z, extra_zeroes);
db95bdbeb72c Optimize the case of huge precision. Bruno Haible <bruno@clisp.org> parents: 8837 diff changeset	1202 free (z_memory);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1203 return digits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1204 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1205
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1206 # 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	1207
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1208 /* 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	1209 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	1210 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	1211 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	1212 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	1213 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	1214 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	1215 {
10100 369c11a9858d avoid a warning from gcc Jim Meyering <meyering@redhat.com> parents: 10084 diff changeset	1216 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	1217 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	1218 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	1219 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	1220 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1221
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1222 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1223
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1224 # 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	1225
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1226 /* 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	1227 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	1228 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	1229 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	1230 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	1231 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	1232 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	1233 {
10101 daad35fae43c avoid another warning from gcc Jim Meyering <meyering@redhat.com> parents: 10100 diff changeset	1234 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	1235 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	1236 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	1237 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	1238 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1239
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1240 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1241
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1242 # 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	1243
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1244 /* Assuming x is finite and > 0:
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1245 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	1246 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	1247 static int
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1248 floorlog10l (long double x)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1249 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1250 int exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1251 long double y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1252 double z;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1253 double l;
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 /* Split into exponential part and mantissa. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1256 y = frexpl (x, &exp);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1257 if (!(y >= 0.0L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1258 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1259 if (y == 0.0L)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1260 return INT_MIN;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1261 if (y < 0.5L)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1262 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1263 while (y < (1.0L / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2))))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1264 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1265 y = 1.0L (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2));
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1266 exp -= GMP_LIMB_BITS;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1267 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1268 if (y < (1.0L / (1 << 16)))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1269 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1270 y = 1.0L (1 << 16);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1271 exp -= 16;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1272 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1273 if (y < (1.0L / (1 << 8)))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1274 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1275 y = 1.0L (1 << 8);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1276 exp -= 8;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1277 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1278 if (y < (1.0L / (1 << 4)))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1279 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1280 y = 1.0L (1 << 4);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1281 exp -= 4;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1282 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1283 if (y < (1.0L / (1 << 2)))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1284 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1285 y = 1.0L (1 << 2);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1286 exp -= 2;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1287 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1288 if (y < (1.0L / (1 << 1)))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1289 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1290 y = 1.0L (1 << 1);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1291 exp -= 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1292 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1293 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1294 if (!(y >= 0.5L && y < 1.0L))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1295 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1296 /* 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	1297 l = exp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1298 z = y;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1299 if (z < 0.70710678118654752444)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1300 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1301 z *= 1.4142135623730950488;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1302 l -= 0.5;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1303 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1304 if (z < 0.8408964152537145431)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1305 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1306 z *= 1.1892071150027210667;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1307 l -= 0.25;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1308 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1309 if (z < 0.91700404320467123175)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1310 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1311 z *= 1.0905077326652576592;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1312 l -= 0.125;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1313 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1314 if (z < 0.9576032806985736469)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1315 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1316 z *= 1.0442737824274138403;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1317 l -= 0.0625;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1318 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1319 /* Now 0.95 <= z <= 1.01. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1320 z = 1 - z;
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1321 /* 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	1322 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	1323 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	1324 /* 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	1325 log10(x). */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1326 l *= 0.30102999566398119523;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1327 /* Round down to the next integer. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1328 return (int) l + (l < 0 ? -1 : 0);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1329 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1330
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1331 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1332
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1333 # 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	1334
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1335 /* 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	1336 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	1337 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	1338 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	1339 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	1340 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1341 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	1342 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	1343 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	1344 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	1345
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1346 /* 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	1347 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	1348 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	1349 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1350 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	1351 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	1352 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	1353 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1354 while (y < (1.0 / (1 << (GMP_LIMB_BITS / 2)) / (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	1355 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1356 y = 1.0 (1 << (GMP_LIMB_BITS / 2)) * (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	1357 exp -= 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	1358 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1359 if (y < (1.0 / (1 << 16)))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1360 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1361 y = 1.0 (1 << 16);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1362 exp -= 16;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1363 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1364 if (y < (1.0 / (1 << 8)))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1365 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1366 y = 1.0 (1 << 8);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1367 exp -= 8;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1368 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1369 if (y < (1.0 / (1 << 4)))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1370 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1371 y = 1.0 (1 << 4);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1372 exp -= 4;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1373 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1374 if (y < (1.0 / (1 << 2)))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1375 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1376 y = 1.0 (1 << 2);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1377 exp -= 2;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1378 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1379 if (y < (1.0 / (1 << 1)))
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1380 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1381 y = 1.0 (1 << 1);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1382 exp -= 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1383 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1384 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1385 if (!(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	1386 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1387 /* 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	1388 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	1389 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	1390 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	1391 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1392 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	1393 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	1394 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1395 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	1396 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1397 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	1398 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	1399 }
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 (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	1401 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1402 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	1403 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	1404 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1405 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	1406 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1407 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	1408 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	1409 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1410 /* 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	1411 z = 1 - z;
9939 11aa2931dfc7 Make floorlog10 function more precise. Bruno Haible <bruno@clisp.org> parents: 9938 diff changeset	1412 /* 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	1413 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	1414 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	1415 /* 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	1416 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	1417 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	1418 /* 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	1419 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	1420 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1421
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1422 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	1423
9938 9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1424 /* 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	1425 a single '1' digit. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1426 static int
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1427 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	1428 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1429 for (; precision > 0; precision--, digits++)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1430 if (*digits != '0')
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1431 return 0;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1432 if (*digits != '1')
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1433 return 0;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1434 digits++;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1435 return *digits == '\0';
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1436 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	1437
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1438 #endif
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	1439
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1440 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	1441 VASNPRINTF (DCHAR_T resultbuf, size_t lengthp,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1442 const FCHAR_T *format, va_list args)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1443 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1444 DIRECTIVES d;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1445 arguments a;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1446
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1447 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	1448 /* errno is already set. */
290aa46b4526 Fix out-of-memory handling of vasnprintf. Bruno Haible <bruno@clisp.org> parents: 9371 diff changeset	1449 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1450
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1451 #define CLEANUP() \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1452 free (d.dir); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1453 if (a.arg) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1454 free (a.arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1455
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1456 if (PRINTF_FETCHARGS (args, &a) < 0)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1457 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1458 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1459 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1460 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1461 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1462
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1463 {
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1464 size_t buf_neededlength;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1465 TCHAR_T *buf;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1466 TCHAR_T *buf_malloced;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1467 const FCHAR_T *cp;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1468 size_t i;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1469 DIRECTIVE *dp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1470 /* Output string accumulator. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1471 DCHAR_T *result;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1472 size_t allocated;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1473 size_t length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1474
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1475 /* 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	1476 sprintf or snprintf. */
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1477 buf_neededlength =
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1478 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	1479 #if HAVE_ALLOCA
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1480 if (buf_neededlength < 4000 / sizeof (TCHAR_T))
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1481 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1482 buf = (TCHAR_T ) alloca (buf_neededlength sizeof (TCHAR_T));
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1483 buf_malloced = NULL;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1484 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1485 else
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1486 #endif
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1487 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1488 size_t buf_memsize = xtimes (buf_neededlength, sizeof (TCHAR_T));
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1489 if (size_overflow_p (buf_memsize))
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1490 goto out_of_memory_1;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1491 buf = (TCHAR_T *) malloc (buf_memsize);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1492 if (buf == NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1493 goto out_of_memory_1;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1494 buf_malloced = buf;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1495 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1496
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1497 if (resultbuf != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1498 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1499 result = resultbuf;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1500 allocated = *lengthp;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1501 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1502 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1503 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1504 result = NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1505 allocated = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1506 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1507 length = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1508 /* Invariants:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1509 result is either == resultbuf or == NULL or malloc-allocated.
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1510 If length > 0, then result != NULL. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1511
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1512 /* 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	1513 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	1514 #define ENSURE_ALLOCATION(needed) \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1515 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1516 { \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1517 size_t memory_size; \
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1518 DCHAR_T *memory; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1519 \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1520 allocated = (allocated > 0 ? xtimes (allocated, 2) : 12); \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1521 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1522 allocated = (needed); \
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1523 memory_size = xtimes (allocated, sizeof (DCHAR_T)); \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1524 if (size_overflow_p (memory_size)) \
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1525 goto out_of_memory; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1526 if (result == resultbuf \|\| result == NULL) \
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1527 memory = (DCHAR_T *) malloc (memory_size); \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1528 else \
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	1529 memory = (DCHAR_T *) realloc (result, memory_size); \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1530 if (memory == NULL) \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1531 goto out_of_memory; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1532 if (result == resultbuf && length > 0) \
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1533 DCHAR_CPY (memory, result, length); \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1534 result = memory; \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1535 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1536
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1537 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	1538 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1539 if (cp != dp->dir_start)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1540 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1541 size_t n = dp->dir_start - cp;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1542 size_t augmented_length = xsum (length, n);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1543
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1544 ENSURE_ALLOCATION (augmented_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	1545 /* This copies a piece of FCHAR_T[] into a DCHAR_T[]. Here we
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1546 need that the format string contains only ASCII characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1547 if 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	1548 if (sizeof (FCHAR_T) == sizeof (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	1549 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1550 DCHAR_CPY (result + length, (const DCHAR_T *) cp, n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1551 length = augmented_length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1552 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1553 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1554 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1555 do
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1556 result[length++] = (unsigned char) *cp++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1557 while (--n > 0);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1558 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1559 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1560 if (i == d.count)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1561 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1562
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1563 /* Execute a single directive. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1564 if (dp->conversion == '%')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1565 {
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1566 size_t augmented_length;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1567
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	1568 if (!(dp->arg_index == ARG_NONE))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1569 abort ();
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1570 augmented_length = xsum (length, 1);
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1571 ENSURE_ALLOCATION (augmented_length);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1572 result[length] = '%';
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1573 length = augmented_length;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1574 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1575 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1576 {
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	1577 if (!(dp->arg_index != ARG_NONE))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1578 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1579
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1580 if (dp->conversion == 'n')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1581 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1582 switch (a.arg[dp->arg_index].type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1583 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1584 case TYPE_COUNT_SCHAR_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1585 *a.arg[dp->arg_index].a.a_count_schar_pointer = length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1586 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1587 case TYPE_COUNT_SHORT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1588 *a.arg[dp->arg_index].a.a_count_short_pointer = length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1589 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1590 case TYPE_COUNT_INT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1591 *a.arg[dp->arg_index].a.a_count_int_pointer = length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1592 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1593 case TYPE_COUNT_LONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1594 *a.arg[dp->arg_index].a.a_count_longint_pointer = length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1595 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1596 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1597 case TYPE_COUNT_LONGLONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1598 *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1599 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1600 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1601 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1602 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1603 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1604 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1605 #if ENABLE_UNISTDIO
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1606 /* The unistdio extensions. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1607 else if (dp->conversion == 'U')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1608 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1609 arg_type type = a.arg[dp->arg_index].type;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1610 int flags = dp->flags;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1611 int has_width;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1612 size_t width;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1613 int has_precision;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1614 size_t precision;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1615
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1616 has_width = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1617 width = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1618 if (dp->width_start != dp->width_end)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1619 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1620 if (dp->width_arg_index != ARG_NONE)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1621 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1622 int arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1623
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1624 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1625 abort ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1626 arg = a.arg[dp->width_arg_index].a.a_int;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1627 if (arg < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1628 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1629 /* "A negative field width is taken as a '-' flag
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1630 followed by a positive field width." */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1631 flags \|= FLAG_LEFT;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1632 width = (unsigned int) (-arg);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1633 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1634 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1635 width = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1636 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1637 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1638 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1639 const FCHAR_T *digitp = dp->width_start;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1640
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1641 do
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1642 width = xsum (xtimes (width, 10), *digitp++ - '0');
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1643 while (digitp != dp->width_end);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1644 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1645 has_width = 1;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1646 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1647
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1648 has_precision = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1649 precision = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1650 if (dp->precision_start != dp->precision_end)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1651 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1652 if (dp->precision_arg_index != ARG_NONE)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1653 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1654 int arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1655
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1656 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1657 abort ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1658 arg = a.arg[dp->precision_arg_index].a.a_int;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1659 /* "A negative precision is taken as if the precision
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1660 were omitted." */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1661 if (arg >= 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1662 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1663 precision = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1664 has_precision = 1;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1665 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1666 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1667 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1668 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1669 const FCHAR_T *digitp = dp->precision_start + 1;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1670
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1671 precision = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1672 while (digitp != dp->precision_end)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1673 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1674 has_precision = 1;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1675 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1676 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1677
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1678 switch (type)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1679 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1680 case TYPE_U8_STRING:
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1681 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1682 const uint8_t *arg = a.arg[dp->arg_index].a.a_u8_string;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1683 const uint8_t *arg_end;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1684 size_t characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1685
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1686 if (has_precision)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1687 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1688 /* Use only PRECISION characters, from the left. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1689 arg_end = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1690 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1691 for (; precision > 0; precision--)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1692 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1693 int count = u8_strmblen (arg_end);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1694 if (count == 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1695 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1696 if (count < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1697 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1698 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1699 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1700 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1701 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1702 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1703 errno = EILSEQ;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1704 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1705 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1706 arg_end += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1707 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1708 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1709 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1710 else if (has_width)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1711 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1712 /* Use the entire string, and count the number of
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1713 characters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1714 arg_end = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1715 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1716 for (;;)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1717 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1718 int count = u8_strmblen (arg_end);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1719 if (count == 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1720 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1721 if (count < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1722 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1723 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1724 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1725 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1726 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1727 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1728 errno = EILSEQ;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1729 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1730 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1731 arg_end += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1732 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1733 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1734 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1735 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1736 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1737 /* Use the entire string. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1738 arg_end = arg + u8_strlen (arg);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1739 /* The number of characters doesn't matter. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1740 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1741 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1742
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1743 if (has_width && width > characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1744 && !(dp->flags & FLAG_LEFT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1745 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1746 size_t n = width - characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1747 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1748 DCHAR_SET (result + length, ' ', n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1749 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1750 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1751
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1752 # if DCHAR_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	1753 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1754 size_t n = arg_end - arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1755 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1756 DCHAR_CPY (result + length, arg, n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1757 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1758 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1759 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1760 { /* Convert. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1761 DCHAR_T *converted = result + length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1762 size_t converted_len = allocated - length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1763 # if DCHAR_IS_TCHAR
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1764 /* Convert from UTF-8 to locale encoding. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1765 if (u8_conv_to_encoding (locale_charset (),
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1766 iconveh_question_mark,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1767 arg, arg_end - arg, NULL,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1768 &converted, &converted_len)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1769 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1770 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1771 /* Convert from UTF-8 to UTF-16/UTF-32. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1772 converted =
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1773 U8_TO_DCHAR (arg, arg_end - arg,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1774 converted, &converted_len);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1775 if (converted == NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1776 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1777 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1778 int saved_errno = errno;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1779 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1780 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1781 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1782 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1783 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1784 errno = saved_errno;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1785 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1786 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1787 if (converted != result + length)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1788 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1789 ENSURE_ALLOCATION (xsum (length, converted_len));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1790 DCHAR_CPY (result + length, converted, converted_len);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1791 free (converted);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1792 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1793 length += converted_len;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1794 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1795 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1796
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1797 if (has_width && width > characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1798 && (dp->flags & FLAG_LEFT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1799 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1800 size_t n = width - characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1801 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1802 DCHAR_SET (result + length, ' ', n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1803 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1804 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1805 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1806 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1807
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1808 case TYPE_U16_STRING:
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1809 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1810 const uint16_t *arg = a.arg[dp->arg_index].a.a_u16_string;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1811 const uint16_t *arg_end;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1812 size_t characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1813
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1814 if (has_precision)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1815 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1816 /* Use only PRECISION characters, from the left. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1817 arg_end = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1818 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1819 for (; precision > 0; precision--)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1820 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1821 int count = u16_strmblen (arg_end);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1822 if (count == 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1823 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1824 if (count < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1825 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1826 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1827 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1828 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1829 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1830 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1831 errno = EILSEQ;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1832 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1833 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1834 arg_end += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1835 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1836 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1837 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1838 else if (has_width)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1839 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1840 /* Use the entire string, and count the number of
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1841 characters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1842 arg_end = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1843 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1844 for (;;)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1845 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1846 int count = u16_strmblen (arg_end);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1847 if (count == 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1848 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1849 if (count < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1850 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1851 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1852 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1853 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1854 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1855 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1856 errno = EILSEQ;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1857 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1858 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1859 arg_end += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1860 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1861 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1862 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1863 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1864 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1865 /* Use the entire string. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1866 arg_end = arg + u16_strlen (arg);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1867 /* The number of characters doesn't matter. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1868 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1869 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1870
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1871 if (has_width && width > characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1872 && !(dp->flags & FLAG_LEFT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1873 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1874 size_t n = width - characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1875 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1876 DCHAR_SET (result + length, ' ', n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1877 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1878 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1879
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1880 # if DCHAR_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	1881 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1882 size_t n = arg_end - arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1883 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1884 DCHAR_CPY (result + length, arg, n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1885 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1886 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1887 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1888 { /* Convert. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1889 DCHAR_T *converted = result + length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1890 size_t converted_len = allocated - length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1891 # if DCHAR_IS_TCHAR
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1892 /* Convert from UTF-16 to locale encoding. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1893 if (u16_conv_to_encoding (locale_charset (),
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1894 iconveh_question_mark,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1895 arg, arg_end - arg, NULL,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1896 &converted, &converted_len)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1897 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1898 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1899 /* Convert from UTF-16 to UTF-8/UTF-32. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1900 converted =
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1901 U16_TO_DCHAR (arg, arg_end - arg,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1902 converted, &converted_len);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1903 if (converted == NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1904 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1905 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1906 int saved_errno = errno;
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 (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1908 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1909 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1910 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1911 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1912 errno = saved_errno;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1913 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1914 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1915 if (converted != result + length)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1916 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1917 ENSURE_ALLOCATION (xsum (length, converted_len));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1918 DCHAR_CPY (result + length, converted, converted_len);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1919 free (converted);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1920 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1921 length += converted_len;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1922 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1923 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1924
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1925 if (has_width && width > characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1926 && (dp->flags & FLAG_LEFT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1927 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1928 size_t n = width - characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1929 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1930 DCHAR_SET (result + length, ' ', n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1931 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1932 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1933 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1934 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1935
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1936 case TYPE_U32_STRING:
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1937 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1938 const uint32_t *arg = a.arg[dp->arg_index].a.a_u32_string;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1939 const uint32_t *arg_end;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1940 size_t characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1941
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1942 if (has_precision)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1943 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1944 /* Use only PRECISION characters, from the left. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1945 arg_end = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1946 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1947 for (; precision > 0; precision--)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1948 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1949 int count = u32_strmblen (arg_end);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1950 if (count == 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1951 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1952 if (count < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1953 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1954 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1955 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1956 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1957 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1958 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1959 errno = EILSEQ;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1960 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1961 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1962 arg_end += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1963 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1964 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1965 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1966 else if (has_width)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1967 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1968 /* Use the entire string, and count the number of
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1969 characters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1970 arg_end = arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1971 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1972 for (;;)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1973 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1974 int count = u32_strmblen (arg_end);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1975 if (count == 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1976 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1977 if (count < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1978 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1979 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1980 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1981 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1982 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1983 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1984 errno = EILSEQ;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1985 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1986 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1987 arg_end += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1988 characters++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1989 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1990 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1991 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1992 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1993 /* Use the entire string. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1994 arg_end = arg + u32_strlen (arg);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1995 /* The number of characters doesn't matter. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1996 characters = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1997 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1998
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	1999 if (has_width && width > characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2000 && !(dp->flags & FLAG_LEFT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2001 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2002 size_t n = width - characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2003 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2004 DCHAR_SET (result + length, ' ', n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2005 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2006 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2007
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2008 # if DCHAR_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	2009 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2010 size_t n = arg_end - arg;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2011 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2012 DCHAR_CPY (result + length, arg, n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2013 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2014 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2015 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2016 { /* Convert. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2017 DCHAR_T *converted = result + length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2018 size_t converted_len = allocated - length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2019 # if DCHAR_IS_TCHAR
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2020 /* Convert from UTF-32 to locale encoding. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2021 if (u32_conv_to_encoding (locale_charset (),
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2022 iconveh_question_mark,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2023 arg, arg_end - arg, NULL,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2024 &converted, &converted_len)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2025 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2026 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2027 /* Convert from UTF-32 to UTF-8/UTF-16. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2028 converted =
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2029 U32_TO_DCHAR (arg, arg_end - arg,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2030 converted, &converted_len);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2031 if (converted == NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2032 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2033 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2034 int saved_errno = errno;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2035 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2036 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2037 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2038 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2039 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2040 errno = saved_errno;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2041 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2042 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2043 if (converted != result + length)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2044 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2045 ENSURE_ALLOCATION (xsum (length, converted_len));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2046 DCHAR_CPY (result + length, converted, converted_len);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2047 free (converted);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2048 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2049 length += converted_len;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2050 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2051 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2052
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2053 if (has_width && width > characters
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2054 && (dp->flags & FLAG_LEFT))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2055 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2056 size_t n = width - characters;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2057 ENSURE_ALLOCATION (xsum (length, n));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2058 DCHAR_SET (result + length, ' ', n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2059 length += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2060 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2061 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2062 break;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2063
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2064 default:
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2065 abort ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2066 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2067 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2068 #endif
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2069 #if (NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_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	2070 else if ((dp->conversion == 'a' \|\| dp->conversion == 'A')
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2071 # if !(NEED_PRINTF_DIRECTIVE_A \|\| (NEED_PRINTF_LONG_DOUBLE && NEED_PRINTF_DOUBLE))
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2072 && (0
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2073 # if NEED_PRINTF_DOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2074 \|\| a.arg[dp->arg_index].type == TYPE_DOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2075 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2076 # if NEED_PRINTF_LONG_DOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2077 \|\| a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2078 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2079 )
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2080 # endif
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2081 )
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2082 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2083 arg_type type = a.arg[dp->arg_index].type;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2084 int flags = dp->flags;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2085 int has_width;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2086 size_t width;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2087 int has_precision;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2088 size_t precision;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2089 size_t tmp_length;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2090 DCHAR_T tmpbuf[700];
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2091 DCHAR_T *tmp;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2092 DCHAR_T *pad_ptr;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2093 DCHAR_T *p;
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2094
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2095 has_width = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2096 width = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2097 if (dp->width_start != dp->width_end)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2098 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2099 if (dp->width_arg_index != ARG_NONE)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2100 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2101 int arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2102
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2103 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2104 abort ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2105 arg = a.arg[dp->width_arg_index].a.a_int;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2106 if (arg < 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2107 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2108 /* "A negative field width is taken as a '-' flag
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2109 followed by a positive field width." */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2110 flags \|= FLAG_LEFT;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2111 width = (unsigned int) (-arg);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2112 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2113 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2114 width = arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2115 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2116 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2117 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2118 const FCHAR_T *digitp = dp->width_start;
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2119
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2120 do
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2121 width = xsum (xtimes (width, 10), *digitp++ - '0');
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2122 while (digitp != dp->width_end);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2123 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2124 has_width = 1;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2125 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2126
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2127 has_precision = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2128 precision = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2129 if (dp->precision_start != dp->precision_end)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2130 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2131 if (dp->precision_arg_index != ARG_NONE)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2132 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2133 int arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2134
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2135 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2136 abort ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2137 arg = a.arg[dp->precision_arg_index].a.a_int;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2138 /* "A negative precision is taken as if the precision
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2139 were omitted." */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2140 if (arg >= 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2141 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2142 precision = arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2143 has_precision = 1;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2144 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2145 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2146 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2147 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2148 const FCHAR_T *digitp = dp->precision_start + 1;
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2149
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2150 precision = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2151 while (digitp != dp->precision_end)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2152 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2153 has_precision = 1;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2154 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2155 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2156
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2157 /* Allocate a temporary buffer of sufficient size. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2158 if (type == TYPE_LONGDOUBLE)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2159 tmp_length =
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2160 (unsigned int) ((LDBL_DIG + 1)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2161 * 0.831 /* decimal -> hexadecimal */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2162 )
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2163 + 1; /* turn floor into ceil */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2164 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2165 tmp_length =
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2166 (unsigned int) ((DBL_DIG + 1)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2167 * 0.831 /* decimal -> hexadecimal */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2168 )
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2169 + 1; /* turn floor into ceil */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2170 if (tmp_length < precision)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2171 tmp_length = precision;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2172 /* Account for sign, decimal point etc. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2173 tmp_length = xsum (tmp_length, 12);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2174
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2175 if (tmp_length < width)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2176 tmp_length = width;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2177
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2178 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2179
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2180 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2181 tmp = tmpbuf;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2182 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2183 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2184 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T));
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2185
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2186 if (size_overflow_p (tmp_memsize))
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2187 /* Overflow, would lead to out of memory. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2188 goto out_of_memory;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2189 tmp = (DCHAR_T *) malloc (tmp_memsize);
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2190 if (tmp == NULL)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2191 /* Out of memory. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2192 goto out_of_memory;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2193 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2194
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2195 pad_ptr = NULL;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2196 p = tmp;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2197 if (type == TYPE_LONGDOUBLE)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2198 {
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2199 # if NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_LONG_DOUBLE
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2200 long double arg = a.arg[dp->arg_index].a.a_longdouble;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2201
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2202 if (isnanl (arg))
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2203 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2204 if (dp->conversion == 'A')
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2205 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2206 p++ = 'N'; p++ = 'A'; *p++ = 'N';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2207 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2208 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2209 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2210 p++ = 'n'; p++ = 'a'; *p++ = 'n';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2211 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2212 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2213 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2214 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2215 int sign = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2216 DECL_LONG_DOUBLE_ROUNDING
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2217
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2218 BEGIN_LONG_DOUBLE_ROUNDING ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2219
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2220 if (signbit (arg)) /* arg < 0.0L or negative zero */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2221 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2222 sign = -1;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2223 arg = -arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2224 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2225
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2226 if (sign < 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2227 *p++ = '-';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2228 else if (flags & FLAG_SHOWSIGN)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2229 *p++ = '+';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2230 else if (flags & FLAG_SPACE)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2231 *p++ = ' ';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2232
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2233 if (arg > 0.0L && arg + arg == arg)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2234 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2235 if (dp->conversion == 'A')
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2236 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2237 p++ = 'I'; p++ = 'N'; *p++ = 'F';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2238 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2239 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2240 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2241 p++ = 'i'; p++ = 'n'; *p++ = 'f';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2242 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2243 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2244 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2245 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2246 int exponent;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2247 long double mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2248
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2249 if (arg > 0.0L)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2250 mantissa = printf_frexpl (arg, &exponent);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2251 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2252 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2253 exponent = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2254 mantissa = 0.0L;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2255 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2256
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2257 if (has_precision
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2258 && precision < (unsigned int) ((LDBL_DIG + 1) * 0.831) + 1)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2259 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2260 /* Round the mantissa. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2261 long double tail = mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2262 size_t q;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2263
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2264 for (q = precision; ; q--)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2265 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2266 int digit = (int) tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2267 tail -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2268 if (q == 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2269 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2270 if (digit & 1 ? tail >= 0.5L : tail > 0.5L)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2271 tail = 1 - tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2272 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2273 tail = - tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2274 break;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2275 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2276 tail *= 16.0L;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2277 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2278 if (tail != 0.0L)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2279 for (q = precision; q > 0; q--)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2280 tail *= 0.0625L;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2281 mantissa += tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2282 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2283
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2284 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2285 *p++ = dp->conversion - 'A' + 'X';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2286 pad_ptr = p;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2287 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2288 int digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2289
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2290 digit = (int) mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2291 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2292 *p++ = '0' + digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2293 if ((flags & FLAG_ALT)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2294 \|\| mantissa > 0.0L \|\| precision > 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2295 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2296 *p++ = decimal_point_char ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2297 /* This loop terminates because we assume
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2298 that FLT_RADIX is a power of 2. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2299 while (mantissa > 0.0L)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2300 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2301 mantissa *= 16.0L;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2302 digit = (int) mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2303 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2304 *p++ = digit
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2305 + (digit < 10
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2306 ? '0'
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2307 : dp->conversion - 10);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2308 if (precision > 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2309 precision--;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2310 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2311 while (precision > 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2312 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2313 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2314 precision--;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2315 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2316 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2317 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2318 *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	2319 # if WIDE_CHAR_VERSION
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2320 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2321 static const wchar_t decimal_format[] =
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2322 { '%', '+', 'd', '\0' };
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2323 SNPRINTF (p, 6 + 1, decimal_format, exponent);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2324 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2325 while (*p != '\0')
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2326 p++;
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2327 # 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	2328 if (sizeof (DCHAR_T) == 1)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2329 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2330 sprintf ((char *) p, "%+d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2331 while (*p != '\0')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2332 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2333 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2334 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2335 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2336 char expbuf[6 + 1];
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2337 const char *ep;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2338 sprintf (expbuf, "%+d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2339 for (ep = expbuf; (p = ep) != '\0'; ep++)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2340 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2341 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2342 # endif
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2343 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2344
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2345 END_LONG_DOUBLE_ROUNDING ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2346 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2347 # else
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2348 abort ();
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2349 # endif
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2350 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2351 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2352 {
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2353 # if NEED_PRINTF_DIRECTIVE_A \|\| NEED_PRINTF_DOUBLE
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2354 double arg = a.arg[dp->arg_index].a.a_double;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2355
9646 a113e473cc98 Rename isnan, applicable to 'double' only, to isnand. Bruno Haible <bruno@clisp.org> parents: 9489 diff changeset	2356 if (isnand (arg))
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2357 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2358 if (dp->conversion == 'A')
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2359 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2360 p++ = 'N'; p++ = 'A'; *p++ = 'N';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2361 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2362 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2363 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2364 p++ = 'n'; p++ = 'a'; *p++ = 'n';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2365 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2366 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2367 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2368 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2369 int sign = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2370
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2371 if (signbit (arg)) /* arg < 0.0 or negative zero */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2372 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2373 sign = -1;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2374 arg = -arg;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2375 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2376
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2377 if (sign < 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2378 *p++ = '-';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2379 else if (flags & FLAG_SHOWSIGN)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2380 *p++ = '+';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2381 else if (flags & FLAG_SPACE)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2382 *p++ = ' ';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2383
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2384 if (arg > 0.0 && arg + arg == arg)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2385 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2386 if (dp->conversion == 'A')
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2387 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2388 p++ = 'I'; p++ = 'N'; *p++ = 'F';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2389 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2390 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2391 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2392 p++ = 'i'; p++ = 'n'; *p++ = 'f';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2393 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2394 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2395 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2396 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2397 int exponent;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2398 double mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2399
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2400 if (arg > 0.0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2401 mantissa = printf_frexp (arg, &exponent);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2402 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2403 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2404 exponent = 0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2405 mantissa = 0.0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2406 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2407
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2408 if (has_precision
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2409 && precision < (unsigned int) ((DBL_DIG + 1) * 0.831) + 1)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2410 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2411 /* Round the mantissa. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2412 double tail = mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2413 size_t q;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2414
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2415 for (q = precision; ; q--)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2416 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2417 int digit = (int) tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2418 tail -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2419 if (q == 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2420 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2421 if (digit & 1 ? tail >= 0.5 : tail > 0.5)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2422 tail = 1 - tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2423 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2424 tail = - tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2425 break;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2426 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2427 tail *= 16.0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2428 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2429 if (tail != 0.0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2430 for (q = precision; q > 0; q--)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2431 tail *= 0.0625;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2432 mantissa += tail;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2433 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2434
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2435 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2436 *p++ = dp->conversion - 'A' + 'X';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2437 pad_ptr = p;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2438 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2439 int digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2440
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2441 digit = (int) mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2442 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2443 *p++ = '0' + digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2444 if ((flags & FLAG_ALT)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2445 \|\| mantissa > 0.0 \|\| precision > 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2446 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2447 *p++ = decimal_point_char ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2448 /* This loop terminates because we assume
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2449 that FLT_RADIX is a power of 2. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2450 while (mantissa > 0.0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2451 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2452 mantissa *= 16.0;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2453 digit = (int) mantissa;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2454 mantissa -= digit;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2455 *p++ = digit
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2456 + (digit < 10
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2457 ? '0'
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2458 : dp->conversion - 10);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2459 if (precision > 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2460 precision--;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2461 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2462 while (precision > 0)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2463 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2464 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2465 precision--;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2466 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2467 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2468 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2469 *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	2470 # if WIDE_CHAR_VERSION
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2471 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2472 static const wchar_t decimal_format[] =
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2473 { '%', '+', 'd', '\0' };
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2474 SNPRINTF (p, 6 + 1, decimal_format, exponent);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2475 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2476 while (*p != '\0')
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2477 p++;
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2478 # 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	2479 if (sizeof (DCHAR_T) == 1)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2480 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2481 sprintf ((char *) p, "%+d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2482 while (*p != '\0')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2483 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2484 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2485 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2486 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2487 char expbuf[6 + 1];
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2488 const char *ep;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2489 sprintf (expbuf, "%+d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2490 for (ep = expbuf; (p = ep) != '\0'; ep++)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2491 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2492 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2493 # endif
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2494 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2495 }
9454 265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2496 # else
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2497 abort ();
265fad13afeb Fix the processing of finite numbers with the 'a' and 'A' directives. Bruno Haible <bruno@clisp.org> parents: 9450 diff changeset	2498 # endif
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2499 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2500 /* The generated string now extends from tmp to p, with the
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2501 zero padding insertion point being at pad_ptr. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2502 if (has_width && p - tmp < width)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2503 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2504 size_t pad = width - (p - tmp);
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2505 DCHAR_T *end = p + pad;
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2506
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2507 if (flags & FLAG_LEFT)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2508 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2509 /* Pad with spaces on the right. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2510 for (; pad > 0; pad--)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2511 *p++ = ' ';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2512 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2513 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2514 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2515 /* Pad with zeroes. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2516 DCHAR_T *q = end;
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2517
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2518 while (p > pad_ptr)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2519 --q = --p;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2520 for (; pad > 0; pad--)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2521 *p++ = '0';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2522 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2523 else
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2524 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2525 /* Pad with spaces on the left. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2526 DCHAR_T *q = end;
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2527
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2528 while (p > tmp)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2529 --q = --p;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2530 for (; pad > 0; pad--)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2531 *p++ = ' ';
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2532 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2533
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2534 p = end;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2535 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2536
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2537 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2538 size_t count = p - tmp;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2539
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2540 if (count >= tmp_length)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2541 /* tmp_length was incorrectly calculated - fix the
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2542 code above! */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2543 abort ();
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2544
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2545 /* Make room for the result. */
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2546 if (count >= allocated - length)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2547 {
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2548 size_t n = xsum (length, count);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2549
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2550 ENSURE_ALLOCATION (n);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2551 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2552
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2553 /* Append the result. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2554 memcpy (result + length, tmp, count * sizeof (DCHAR_T));
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2555 if (tmp != tmpbuf)
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2556 free (tmp);
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2557 length += count;
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2558 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2559 }
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2560 #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	2561 #if (NEED_PRINTF_INFINITE_DOUBLE \|\| NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE \|\| NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2562 else if ((dp->conversion == 'f' \|\| dp->conversion == 'F'
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2563 \|\| dp->conversion == 'e' \|\| dp->conversion == 'E'
8916 353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2564 \|\| dp->conversion == 'g' \|\| dp->conversion == 'G'
353e81af4858 Do the extra handling of NaN and Inf also the %a / %A. Bruno Haible <bruno@clisp.org> parents: 8915 diff changeset	2565 \|\| dp->conversion == 'a' \|\| dp->conversion == 'A')
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2566 && (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	2567 # 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	2568 \|\| a.arg[dp->arg_index].type == TYPE_DOUBLE
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2569 # elif NEED_PRINTF_INFINITE_DOUBLE
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2570 \|\| (a.arg[dp->arg_index].type == TYPE_DOUBLE
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2571 /* The systems (mingw) which produce wrong output
8865 9e203d8ade65 Stricter check for printf result for NaN arguments. Bruno Haible <bruno@clisp.org> parents: 8860 diff changeset	2572 for Inf, -Inf, and NaN also do so for -0.0.
9e203d8ade65 Stricter check for printf result for NaN arguments. Bruno Haible <bruno@clisp.org> parents: 8860 diff changeset	2573 Therefore we treat this case here as well. */
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2574 && is_infinite_or_zero (a.arg[dp->arg_index].a.a_double))
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2575 # endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2576 # if NEED_PRINTF_LONG_DOUBLE
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2577 \|\| 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	2578 # elif NEED_PRINTF_INFINITE_LONG_DOUBLE
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	2579 \|\| (a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
8865 9e203d8ade65 Stricter check for printf result for NaN arguments. Bruno Haible <bruno@clisp.org> parents: 8860 diff changeset	2580 /* Some systems produce wrong output for Inf,
9e203d8ade65 Stricter check for printf result for NaN arguments. Bruno Haible <bruno@clisp.org> parents: 8860 diff changeset	2581 -Inf, and NaN. */
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	2582 && is_infinitel (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	2583 # endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2584 ))
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2585 {
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2586 # if (NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE) && (NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_INFINITE_LONG_DOUBLE)
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2587 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	2588 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2589 int flags = dp->flags;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2590 int has_width;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2591 size_t width;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2592 int has_precision;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2593 size_t precision;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2594 size_t tmp_length;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2595 DCHAR_T tmpbuf[700];
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2596 DCHAR_T *tmp;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2597 DCHAR_T *pad_ptr;
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2598 DCHAR_T *p;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2599
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2600 has_width = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2601 width = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2602 if (dp->width_start != dp->width_end)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2603 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2604 if (dp->width_arg_index != ARG_NONE)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2605 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2606 int arg;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2607
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2608 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2609 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2610 arg = a.arg[dp->width_arg_index].a.a_int;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2611 if (arg < 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2612 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2613 /* "A negative field width is taken as a '-' flag
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2614 followed by a positive field width." */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2615 flags \|= FLAG_LEFT;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2616 width = (unsigned int) (-arg);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2617 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2618 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2619 width = arg;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2620 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2621 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2622 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2623 const FCHAR_T *digitp = dp->width_start;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2624
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2625 do
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2626 width = xsum (xtimes (width, 10), *digitp++ - '0');
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2627 while (digitp != dp->width_end);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2628 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2629 has_width = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2630 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2631
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2632 has_precision = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2633 precision = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2634 if (dp->precision_start != dp->precision_end)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2635 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2636 if (dp->precision_arg_index != ARG_NONE)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2637 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2638 int arg;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2639
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2640 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2641 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2642 arg = a.arg[dp->precision_arg_index].a.a_int;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2643 /* "A negative precision is taken as if the precision
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2644 were omitted." */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2645 if (arg >= 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2646 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2647 precision = arg;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2648 has_precision = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2649 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2650 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2651 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2652 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2653 const FCHAR_T *digitp = dp->precision_start + 1;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2654
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2655 precision = 0;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2656 while (digitp != dp->precision_end)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2657 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2658 has_precision = 1;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2659 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2660 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2661
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2662 /* POSIX specifies the default precision to be 6 for %f, %F,
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2663 %e, %E, but not for %g, %G. Implementations appear to use
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2664 the same default precision also for %g, %G. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2665 if (!has_precision)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2666 precision = 6;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2667
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2668 /* 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	2669 # if NEED_PRINTF_DOUBLE && 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	2670 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : DBL_DIG + 1);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2671 # elif NEED_PRINTF_INFINITE_DOUBLE && NEED_PRINTF_LONG_DOUBLE
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2672 tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : 0);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2673 # elif NEED_PRINTF_LONG_DOUBLE
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2674 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	2675 # elif 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	2676 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	2677 # else
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2678 tmp_length = 0;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2679 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2680 if (tmp_length < precision)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2681 tmp_length = precision;
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2682 # 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	2683 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2684 if (type == TYPE_LONGDOUBLE)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2685 # endif
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2686 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2687 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2688 long double arg = a.arg[dp->arg_index].a.a_longdouble;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2689 if (!(isnanl (arg) \|\| arg + arg == arg))
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2690 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2691 /* arg is finite and nonzero. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2692 int exponent = floorlog10l (arg < 0 ? -arg : arg);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2693 if (exponent >= 0 && tmp_length < exponent + precision)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2694 tmp_length = exponent + precision;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2695 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2696 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2697 # 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	2698 # 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	2699 # if NEED_PRINTF_LONG_DOUBLE \|\| NEED_PRINTF_INFINITE_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	2700 if (type == TYPE_DOUBLE)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2701 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2702 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2703 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2704 double arg = a.arg[dp->arg_index].a.a_double;
9646 a113e473cc98 Rename isnan, applicable to 'double' only, to isnand. Bruno Haible <bruno@clisp.org> parents: 9489 diff changeset	2705 if (!(isnand (arg) \|\| arg + arg == arg))
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2706 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2707 /* arg is finite and nonzero. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2708 int exponent = floorlog10 (arg < 0 ? -arg : arg);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2709 if (exponent >= 0 && tmp_length < exponent + precision)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2710 tmp_length = exponent + precision;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2711 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2712 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	2713 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2714 /* Account for sign, decimal point etc. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2715 tmp_length = xsum (tmp_length, 12);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2716
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2717 if (tmp_length < width)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2718 tmp_length = width;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2719
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2720 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2721
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2722 if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2723 tmp = tmpbuf;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2724 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2725 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2726 size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T));
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2727
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2728 if (size_overflow_p (tmp_memsize))
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2729 /* Overflow, would lead to out of memory. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2730 goto out_of_memory;
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	2731 tmp = (DCHAR_T *) malloc (tmp_memsize);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2732 if (tmp == NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2733 /* Out of memory. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2734 goto out_of_memory;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2735 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2736
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2737 pad_ptr = NULL;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2738 p = tmp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2739
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	2740 # 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	2741 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2742 if (type == TYPE_LONGDOUBLE)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2743 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2744 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2745 long double arg = a.arg[dp->arg_index].a.a_longdouble;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2746
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2747 if (isnanl (arg))
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2748 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2749 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2750 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2751 p++ = 'N'; p++ = 'A'; *p++ = 'N';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2752 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2753 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2754 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2755 p++ = 'n'; p++ = 'a'; *p++ = 'n';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2756 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2757 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2758 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2759 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2760 int sign = 0;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2761 DECL_LONG_DOUBLE_ROUNDING
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2762
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2763 BEGIN_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2764
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2765 if (signbit (arg)) /* arg < 0.0L or negative zero */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2766 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2767 sign = -1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2768 arg = -arg;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2769 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2770
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2771 if (sign < 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2772 *p++ = '-';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2773 else if (flags & FLAG_SHOWSIGN)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2774 *p++ = '+';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2775 else if (flags & FLAG_SPACE)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2776 *p++ = ' ';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2777
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2778 if (arg > 0.0L && arg + arg == arg)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2779 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2780 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2781 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2782 p++ = 'I'; p++ = 'N'; *p++ = 'F';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2783 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2784 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2785 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2786 p++ = 'i'; p++ = 'n'; *p++ = 'f';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2787 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2788 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2789 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2790 {
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	2791 # if NEED_PRINTF_LONG_DOUBLE
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2792 pad_ptr = p;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2793
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2794 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2795 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2796 char *digits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2797 size_t ndigits;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2798
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2799 digits =
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2800 scale10_round_decimal_long_double (arg, precision);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2801 if (digits == NULL)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2802 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2803 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2804 goto out_of_memory;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2805 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2806 ndigits = strlen (digits);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2807
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2808 if (ndigits > precision)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2809 do
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2810 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2811 --ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2812 *p++ = digits[ndigits];
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2813 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2814 while (ndigits > precision);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2815 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2816 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2817 /* Here ndigits <= precision. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2818 if ((flags & FLAG_ALT) \|\| precision > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2819 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2820 *p++ = decimal_point_char ();
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2821 for (; precision > ndigits; precision--)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2822 *p++ = '0';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2823 while (ndigits > 0)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2824 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2825 --ndigits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2826 *p++ = digits[ndigits];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2827 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2828 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2829
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2830 free (digits);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2831 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2832 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2833 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2834 int exponent;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2835
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2836 if (arg == 0.0L)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2837 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2838 exponent = 0;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2839 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2840 if ((flags & FLAG_ALT) \|\| precision > 0)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2841 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2842 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2843 for (; precision > 0; precision--)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2844 *p++ = '0';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2845 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2846 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2847 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2848 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2849 /* arg > 0.0L. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2850 int adjusted;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2851 char *digits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2852 size_t ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2853
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2854 exponent = floorlog10l (arg);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2855 adjusted = 0;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2856 for (;;)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2857 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2858 digits =
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2859 scale10_round_decimal_long_double (arg,
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2860 (int)precision - exponent);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2861 if (digits == NULL)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2862 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2863 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2864 goto out_of_memory;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2865 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2866 ndigits = strlen (digits);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2867
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2868 if (ndigits == precision + 1)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2869 break;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2870 if (ndigits < precision
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2871 \|\| ndigits > precision + 2)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2872 /* The exponent was not guessed
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2873 precisely enough. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2874 abort ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2875 if (adjusted)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2876 /* None of two values of exponent is
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2877 the right one. Prevent an endless
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2878 loop. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2879 abort ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2880 free (digits);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2881 if (ndigits == precision)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2882 exponent -= 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2883 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2884 exponent += 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2885 adjusted = 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2886 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2887 /* Here ndigits = precision+1. */
9938 9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2888 if (is_borderline (digits, precision))
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2889 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2890 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2891 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2892 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2893 char *digits2 =
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2894 scale10_round_decimal_long_double (arg,
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2895 (int)precision - exponent + 1);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2896 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2897 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2898 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2899 END_LONG_DOUBLE_ROUNDING ();
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2900 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2901 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2902 if (strlen (digits2) == precision + 1)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2903 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2904 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2905 digits = digits2;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2906 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2907 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2908 else
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2909 free (digits2);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2910 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2911 /* Here ndigits = precision+1. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	2912
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2913 *p++ = digits[--ndigits];
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2914 if ((flags & FLAG_ALT) \|\| precision > 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2915 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2916 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2917 while (ndigits > 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2918 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2919 --ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2920 *p++ = digits[ndigits];
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2921 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2922 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2923
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2924 free (digits);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2925 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2926
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2927 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	2928 # if WIDE_CHAR_VERSION
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2929 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2930 static const wchar_t decimal_format[] =
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2931 { '%', '+', '.', '2', 'd', '\0' };
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2932 SNPRINTF (p, 6 + 1, decimal_format, exponent);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2933 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2934 while (*p != '\0')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2935 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	2936 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2937 if (sizeof (DCHAR_T) == 1)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2938 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2939 sprintf ((char *) p, "%+.2d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2940 while (*p != '\0')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2941 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2942 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2943 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2944 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2945 char expbuf[6 + 1];
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2946 const char *ep;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2947 sprintf (expbuf, "%+.2d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2948 for (ep = expbuf; (p = ep) != '\0'; ep++)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2949 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2950 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	2951 # endif
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2952 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2953 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2954 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2955 if (precision == 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2956 precision = 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2957 /* precision >= 1. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2958
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2959 if (arg == 0.0L)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2960 /* The exponent is 0, >= -4, < precision.
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2961 Use fixed-point notation. */
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2962 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2963 size_t ndigits = precision;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2964 /* Number of trailing zeroes that have to be
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2965 dropped. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2966 size_t nzeroes =
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2967 (flags & FLAG_ALT ? 0 : precision - 1);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2968
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2969 --ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2970 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2971 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2972 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2973 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2974 while (ndigits > nzeroes)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2975 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2976 --ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2977 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2978 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2979 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	2980 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2981 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2982 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2983 /* arg > 0.0L. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2984 int exponent;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2985 int adjusted;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2986 char *digits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2987 size_t ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2988 size_t nzeroes;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2989
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2990 exponent = floorlog10l (arg);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2991 adjusted = 0;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2992 for (;;)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2993 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2994 digits =
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2995 scale10_round_decimal_long_double (arg,
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2996 (int)(precision - 1) - exponent);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2997 if (digits == NULL)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2998 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	2999 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3000 goto out_of_memory;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3001 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3002 ndigits = strlen (digits);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3003
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3004 if (ndigits == precision)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3005 break;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3006 if (ndigits < precision - 1
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3007 \|\| ndigits > precision + 1)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3008 /* The exponent was not guessed
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3009 precisely enough. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3010 abort ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3011 if (adjusted)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3012 /* None of two values of exponent is
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3013 the right one. Prevent an endless
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3014 loop. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3015 abort ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3016 free (digits);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3017 if (ndigits < precision)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3018 exponent -= 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3019 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3020 exponent += 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3021 adjusted = 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3022 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3023 /* Here ndigits = precision. */
9938 9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3024 if (is_borderline (digits, precision - 1))
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3025 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3026 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3027 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3028 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3029 char *digits2 =
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3030 scale10_round_decimal_long_double (arg,
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3031 (int)(precision - 1) - exponent + 1);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3032 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3033 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3034 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3035 END_LONG_DOUBLE_ROUNDING ();
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3036 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3037 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3038 if (strlen (digits2) == precision)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3039 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3040 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3041 digits = digits2;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3042 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3043 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3044 else
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3045 free (digits2);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3046 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3047 /* Here ndigits = precision. */
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3048
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3049 /* Determine the number of trailing zeroes
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3050 that have to be dropped. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3051 nzeroes = 0;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3052 if ((flags & FLAG_ALT) == 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3053 while (nzeroes < ndigits
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3054 && digits[nzeroes] == '0')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3055 nzeroes++;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3056
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3057 /* The exponent is now determined. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3058 if (exponent >= -4
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3059 && exponent < (long)precision)
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3060 {
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3061 /* Fixed-point notation:
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3062 max(exponent,0)+1 digits, then the
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3063 decimal point, then the remaining
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3064 digits without trailing zeroes. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3065 if (exponent >= 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3066 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3067 size_t count = exponent + 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3068 /* Note: count <= precision = ndigits. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3069 for (; count > 0; count--)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3070 *p++ = digits[--ndigits];
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3071 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3072 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3073 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3074 while (ndigits > nzeroes)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3075 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3076 --ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3077 *p++ = digits[ndigits];
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3078 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3079 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3080 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3081 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3082 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3083 size_t count = -exponent - 1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3084 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3085 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3086 for (; count > 0; count--)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3087 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3088 while (ndigits > nzeroes)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3089 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3090 --ndigits;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3091 *p++ = digits[ndigits];
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3092 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3093 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3094 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3095 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3096 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3097 /* Exponential notation. */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3098 *p++ = digits[--ndigits];
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3099 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3100 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3101 *p++ = decimal_point_char ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3102 while (ndigits > nzeroes)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3103 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3104 --ndigits;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3105 *p++ = digits[ndigits];
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3106 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3107 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3108 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	3109 # if WIDE_CHAR_VERSION
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3110 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3111 static const wchar_t decimal_format[] =
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3112 { '%', '+', '.', '2', 'd', '\0' };
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3113 SNPRINTF (p, 6 + 1, decimal_format, exponent);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3114 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3115 while (*p != '\0')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3116 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	3117 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3118 if (sizeof (DCHAR_T) == 1)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3119 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3120 sprintf ((char *) p, "%+.2d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3121 while (*p != '\0')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3122 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3123 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3124 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3125 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3126 char expbuf[6 + 1];
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3127 const char *ep;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3128 sprintf (expbuf, "%+.2d", exponent);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3129 for (ep = expbuf; (p = ep) != '\0'; ep++)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3130 p++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3131 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	3132 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3133 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3134
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3135 free (digits);
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3136 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3137 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3138 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3139 abort ();
8860 771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3140 # else
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3141 /* arg is finite. */
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3142 abort ();
771a56a41b5b Fix printf result for NaN, Inf on AIX, Solaris, OSF/1. Bruno Haible <bruno@clisp.org>* parents: 8846 diff changeset	3143 # endif
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3144 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3145
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3146 END_LONG_DOUBLE_ROUNDING ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3147 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3148 }
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3149 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3150 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3151 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3152 # 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	3153 # if NEED_PRINTF_DOUBLE \|\| NEED_PRINTF_INFINITE_DOUBLE
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3154 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3155 double arg = a.arg[dp->arg_index].a.a_double;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3156
9646 a113e473cc98 Rename isnan, applicable to 'double' only, to isnand. Bruno Haible <bruno@clisp.org> parents: 9489 diff changeset	3157 if (isnand (arg))
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3158 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3159 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3160 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3161 p++ = 'N'; p++ = 'A'; *p++ = 'N';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3162 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3163 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3164 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3165 p++ = 'n'; p++ = 'a'; *p++ = 'n';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3166 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3167 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3168 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3169 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3170 int sign = 0;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3171
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3172 if (signbit (arg)) /* arg < 0.0 or negative zero */
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3173 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3174 sign = -1;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3175 arg = -arg;
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3176 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3177
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3178 if (sign < 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3179 *p++ = '-';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3180 else if (flags & FLAG_SHOWSIGN)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3181 *p++ = '+';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3182 else if (flags & FLAG_SPACE)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3183 *p++ = ' ';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3184
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3185 if (arg > 0.0 && arg + arg == arg)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3186 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3187 if (dp->conversion >= 'A' && dp->conversion <= 'Z')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3188 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3189 p++ = 'I'; p++ = 'N'; *p++ = 'F';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3190 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3191 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3192 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3193 p++ = 'i'; p++ = 'n'; *p++ = 'f';
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3194 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3195 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3196 else
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3197 {
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3198 # 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	3199 pad_ptr = p;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3200
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3201 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3202 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3203 char *digits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3204 size_t ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3205
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3206 digits =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3207 scale10_round_decimal_double (arg, precision);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3208 if (digits == NULL)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3209 goto out_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	3210 ndigits = strlen (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3211
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3212 if (ndigits > precision)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3213 do
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3214 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3215 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3216 *p++ = digits[ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3217 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3218 while (ndigits > precision);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3219 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3220 *p++ = '0';
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3221 /* Here ndigits <= precision. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3222 if ((flags & FLAG_ALT) \|\| precision > 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3223 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3224 *p++ = decimal_point_char ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3225 for (; precision > ndigits; precision--)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3226 *p++ = '0';
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3227 while (ndigits > 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3228 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3229 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3230 *p++ = digits[ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3231 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3232 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3233
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3234 free (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3235 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3236 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3237 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3238 int exponent;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3239
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3240 if (arg == 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	3241 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3242 exponent = 0;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3243 *p++ = '0';
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3244 if ((flags & FLAG_ALT) \|\| precision > 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3245 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3246 *p++ = decimal_point_char ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3247 for (; precision > 0; precision--)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3248 *p++ = '0';
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3249 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3250 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3251 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3252 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3253 /* arg > 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	3254 int adjusted;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3255 char *digits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3256 size_t ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3257
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3258 exponent = floorlog10 (arg);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3259 adjusted = 0;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3260 for (;;)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3261 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3262 digits =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3263 scale10_round_decimal_double (arg,
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3264 (int)precision - exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3265 if (digits == NULL)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3266 goto out_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	3267 ndigits = strlen (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3268
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3269 if (ndigits == precision + 1)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3270 break;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3271 if (ndigits < precision
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3272 \|\| ndigits > precision + 2)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3273 /* The exponent was not guessed
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3274 precisely enough. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3275 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3276 if (adjusted)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3277 /* None of two values of exponent is
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3278 the right one. Prevent an endless
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3279 loop. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3280 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3281 free (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3282 if (ndigits == precision)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3283 exponent -= 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3284 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3285 exponent += 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3286 adjusted = 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3287 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3288 /* Here ndigits = precision+1. */
9938 9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3289 if (is_borderline (digits, precision))
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3290 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3291 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3292 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3293 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3294 char *digits2 =
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3295 scale10_round_decimal_double (arg,
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3296 (int)precision - exponent + 1);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3297 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3298 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3299 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3300 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3301 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3302 if (strlen (digits2) == precision + 1)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3303 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3304 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3305 digits = digits2;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3306 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3307 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3308 else
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3309 free (digits2);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3310 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3311 /* Here ndigits = precision+1. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3312
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3313 *p++ = digits[--ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3314 if ((flags & FLAG_ALT) \|\| precision > 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3315 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3316 *p++ = decimal_point_char ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3317 while (ndigits > 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3318 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3319 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3320 *p++ = digits[ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3321 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3322 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3323
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3324 free (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3325 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3326
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3327 p++ = dp->conversion; / 'e' or 'E' */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3328 # if WIDE_CHAR_VERSION
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3329 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3330 static const wchar_t decimal_format[] =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3331 /* Produce the same number of exponent digits
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3332 as the native printf implementation. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3333 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3334 { '%', '+', '.', '3', 'd', '\0' };
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3335 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3336 { '%', '+', '.', '2', 'd', '\0' };
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3337 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3338 SNPRINTF (p, 6 + 1, decimal_format, exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3339 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3340 while (*p != '\0')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3341 p++;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3342 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3343 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3344 static const char decimal_format[] =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3345 /* Produce the same number of exponent digits
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3346 as the native printf implementation. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3347 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3348 "%+.3d";
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3349 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3350 "%+.2d";
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3351 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3352 if (sizeof (DCHAR_T) == 1)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3353 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3354 sprintf ((char *) p, decimal_format, exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3355 while (*p != '\0')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3356 p++;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3357 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3358 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3359 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3360 char expbuf[6 + 1];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3361 const char *ep;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3362 sprintf (expbuf, decimal_format, exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3363 for (ep = expbuf; (p = ep) != '\0'; ep++)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3364 p++;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3365 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3366 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3367 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3368 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3369 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3370 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3371 if (precision == 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3372 precision = 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3373 /* precision >= 1. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3374
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3375 if (arg == 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	3376 /* The exponent is 0, >= -4, < precision.
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3377 Use fixed-point notation. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3378 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3379 size_t ndigits = precision;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3380 /* Number of trailing zeroes that have to be
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3381 dropped. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3382 size_t nzeroes =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3383 (flags & FLAG_ALT ? 0 : precision - 1);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3384
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3385 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3386 *p++ = '0';
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 ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3388 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3389 *p++ = decimal_point_char ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3390 while (ndigits > nzeroes)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3391 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3392 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3393 *p++ = '0';
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3394 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3395 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3396 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3397 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3398 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3399 /* arg > 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	3400 int exponent;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3401 int adjusted;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3402 char *digits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3403 size_t ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3404 size_t nzeroes;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3405
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3406 exponent = floorlog10 (arg);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3407 adjusted = 0;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3408 for (;;)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3409 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3410 digits =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3411 scale10_round_decimal_double (arg,
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3412 (int)(precision - 1) - exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3413 if (digits == NULL)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3414 goto out_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	3415 ndigits = strlen (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3416
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3417 if (ndigits == precision)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3418 break;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3419 if (ndigits < precision - 1
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3420 \|\| ndigits > precision + 1)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3421 /* The exponent was not guessed
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3422 precisely enough. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3423 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3424 if (adjusted)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3425 /* None of two values of exponent is
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3426 the right one. Prevent an endless
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3427 loop. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3428 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3429 free (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3430 if (ndigits < precision)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3431 exponent -= 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3432 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3433 exponent += 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3434 adjusted = 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3435 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3436 /* Here ndigits = precision. */
9938 9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3437 if (is_borderline (digits, precision - 1))
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3438 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3439 /* Maybe the exponent guess was too high
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3440 and a smaller exponent can be reached
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3441 by turning a 10...0 into 9...9x. */
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3442 char *digits2 =
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3443 scale10_round_decimal_double (arg,
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3444 (int)(precision - 1) - exponent + 1);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3445 if (digits2 == NULL)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3446 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3447 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3448 goto out_of_memory;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3449 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3450 if (strlen (digits2) == precision)
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3451 {
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3452 free (digits);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3453 digits = digits2;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3454 exponent -= 1;
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3455 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3456 else
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3457 free (digits2);
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3458 }
9f8c455639fc Fix rounding when a precision is given. Bruno Haible <bruno@clisp.org> parents: 9834 diff changeset	3459 /* Here ndigits = precision. */
9442 ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3460
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3461 /* Determine the number of trailing zeroes
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3462 that have to be dropped. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3463 nzeroes = 0;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3464 if ((flags & FLAG_ALT) == 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3465 while (nzeroes < ndigits
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3466 && digits[nzeroes] == '0')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3467 nzeroes++;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3468
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3469 /* The exponent is now determined. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3470 if (exponent >= -4
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3471 && exponent < (long)precision)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3472 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3473 /* Fixed-point notation:
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3474 max(exponent,0)+1 digits, then the
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3475 decimal point, then the remaining
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3476 digits without trailing zeroes. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3477 if (exponent >= 0)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3478 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3479 size_t count = exponent + 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3480 /* Note: count <= precision = ndigits. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3481 for (; count > 0; count--)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3482 *p++ = digits[--ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3483 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3484 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3485 *p++ = decimal_point_char ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3486 while (ndigits > nzeroes)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3487 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3488 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3489 *p++ = digits[ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3490 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3491 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3492 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3493 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3494 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3495 size_t count = -exponent - 1;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3496 *p++ = '0';
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3497 *p++ = decimal_point_char ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3498 for (; count > 0; count--)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3499 *p++ = '0';
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3500 while (ndigits > nzeroes)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3501 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3502 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3503 *p++ = digits[ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3504 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3505 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3506 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3507 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3508 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3509 /* Exponential notation. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3510 *p++ = digits[--ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3511 if ((flags & FLAG_ALT) \|\| ndigits > nzeroes)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3512 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3513 *p++ = decimal_point_char ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3514 while (ndigits > nzeroes)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3515 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3516 --ndigits;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3517 *p++ = digits[ndigits];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3518 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3519 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3520 p++ = dp->conversion - 'G' + 'E'; / 'e' or 'E' */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3521 # if WIDE_CHAR_VERSION
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3522 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3523 static const wchar_t decimal_format[] =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3524 /* Produce the same number of exponent digits
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3525 as the native printf implementation. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3526 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3527 { '%', '+', '.', '3', 'd', '\0' };
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3528 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3529 { '%', '+', '.', '2', 'd', '\0' };
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3530 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3531 SNPRINTF (p, 6 + 1, decimal_format, exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3532 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3533 while (*p != '\0')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3534 p++;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3535 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3536 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3537 static const char decimal_format[] =
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3538 /* Produce the same number of exponent digits
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3539 as the native printf implementation. */
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3540 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3541 "%+.3d";
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3542 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3543 "%+.2d";
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3544 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3545 if (sizeof (DCHAR_T) == 1)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3546 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3547 sprintf ((char *) p, decimal_format, exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3548 while (*p != '\0')
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3549 p++;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3550 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3551 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3552 {
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3553 char expbuf[6 + 1];
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3554 const char *ep;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3555 sprintf (expbuf, decimal_format, exponent);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3556 for (ep = expbuf; (p = ep) != '\0'; ep++)
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3557 p++;
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3558 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3559 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3560 # endif
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3561 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3562
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3563 free (digits);
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3564 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3565 }
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3566 else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3567 abort ();
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3568 # else
ad275322f8f1 Fix printf behaviour in out-of-memory situations on MacOS X and BSD. Bruno Haible <bruno@clisp.org> parents: 9439 diff changeset	3569 /* arg is finite. */
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3570 if (!(arg == 0.0))
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3571 abort ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3572
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3573 pad_ptr = p;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3574
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3575 if (dp->conversion == 'f' \|\| dp->conversion == 'F')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3576 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3577 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3578 if ((flags & FLAG_ALT) \|\| precision > 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3579 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3580 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3581 for (; precision > 0; precision--)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3582 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3583 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3584 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3585 else if (dp->conversion == 'e' \|\| dp->conversion == 'E')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3586 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3587 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3588 if ((flags & FLAG_ALT) \|\| precision > 0)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3589 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3590 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3591 for (; precision > 0; precision--)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3592 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3593 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3594 p++ = dp->conversion; / 'e' or 'E' */
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3595 *p++ = '+';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3596 /* Produce the same number of exponent digits as
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3597 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	3598 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3599 *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	3600 # endif
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3601 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3602 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3603 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3604 else if (dp->conversion == 'g' \|\| dp->conversion == 'G')
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3605 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3606 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3607 if (flags & FLAG_ALT)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3608 {
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3609 size_t ndigits =
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3610 (precision > 0 ? precision - 1 : 0);
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3611 *p++ = decimal_point_char ();
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3612 for (; ndigits > 0; --ndigits)
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3613 *p++ = '0';
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3614 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3615 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3616 else
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3617 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	3618 # endif
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3619 }
792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3620 }
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3621 }
8840 792e05ae7ac8 Fix printf result for NaN, Inf, -0.0 on mingw. Bruno Haible <bruno@clisp.org>* parents: 8838 diff changeset	3622 # endif
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3623
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3624 /* The generated string now extends from tmp to p, with the
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3625 zero padding insertion point being at pad_ptr. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3626 if (has_width && p - tmp < width)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3627 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3628 size_t pad = width - (p - tmp);
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	3629 DCHAR_T *end = p + pad;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3630
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3631 if (flags & FLAG_LEFT)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3632 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3633 /* Pad with spaces on the right. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3634 for (; pad > 0; pad--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3635 *p++ = ' ';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3636 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3637 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3638 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3639 /* Pad with zeroes. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	3640 DCHAR_T *q = end;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3641
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3642 while (p > pad_ptr)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3643 --q = --p;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3644 for (; pad > 0; pad--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3645 *p++ = '0';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3646 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3647 else
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3648 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3649 /* Pad with spaces on the left. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	3650 DCHAR_T *q = end;
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3651
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3652 while (p > tmp)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3653 --q = --p;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3654 for (; pad > 0; pad--)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3655 *p++ = ' ';
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3656 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3657
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3658 p = end;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3659 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3660
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3661 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3662 size_t count = p - tmp;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3663
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3664 if (count >= tmp_length)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3665 /* tmp_length was incorrectly calculated - fix the
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3666 code above! */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3667 abort ();
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3668
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3669 /* Make room for the result. */
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3670 if (count >= allocated - length)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3671 {
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3672 size_t n = xsum (length, count);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3673
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3674 ENSURE_ALLOCATION (n);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3675 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3676
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3677 /* Append the result. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	3678 memcpy (result + length, tmp, count * sizeof (DCHAR_T));
8832 1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3679 if (tmp != tmpbuf)
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3680 free (tmp);
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3681 length += count;
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3682 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3683 }
1466c973f476 Add support for 'long double' number output. Bruno Haible <bruno@clisp.org> parents: 8831 diff changeset	3684 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3685 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3686 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3687 arg_type type = a.arg[dp->arg_index].type;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3688 int flags = dp->flags;
9674 b69f1141e94f Fix printf behaviour regarding the left-adjust flag on HP-UX 10.20. Bruno Haible <bruno@clisp.org>* parents: 9672 diff changeset	3689 #if !USE_SNPRINTF \|\| !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_LEFTADJUST \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3690 int has_width;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3691 size_t width;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3692 #endif
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3693 #if !USE_SNPRINTF \|\| NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3694 int has_precision;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3695 size_t precision;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3696 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3697 #if NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3698 int prec_ourselves;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3699 #else
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3700 # define prec_ourselves 0
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3701 #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	3702 #if NEED_PRINTF_FLAG_LEFTADJUST
b69f1141e94f Fix printf behaviour regarding the left-adjust flag on HP-UX 10.20. Bruno Haible <bruno@clisp.org>* parents: 9672 diff changeset	3703 # define pad_ourselves 1
b69f1141e94f Fix printf behaviour regarding the left-adjust flag on HP-UX 10.20. Bruno Haible <bruno@clisp.org>* parents: 9672 diff changeset	3704 #elif !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3705 int pad_ourselves;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3706 #else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3707 # define pad_ourselves 0
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3708 #endif
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	3709 TCHAR_T *fbp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3710 unsigned int prefix_count;
10104 14be34f63d45 Oops, fix syntax error introduced by last commit. Bruno Haible <bruno@clisp.org> parents: 10102 diff changeset	3711 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	3712 #if !USE_SNPRINTF
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3713 size_t tmp_length;
8962 aea67e2678d9 Tweak last patch. Bruno Haible <bruno@clisp.org> parents: 8961 diff changeset	3714 TCHAR_T tmpbuf[700];
aea67e2678d9 Tweak last patch. Bruno Haible <bruno@clisp.org> parents: 8961 diff changeset	3715 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	3716 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3717
9674 b69f1141e94f Fix printf behaviour regarding the left-adjust flag on HP-UX 10.20. Bruno Haible <bruno@clisp.org>* parents: 9672 diff changeset	3718 #if !USE_SNPRINTF \|\| !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_LEFTADJUST \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3719 has_width = 0;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3720 width = 0;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3721 if (dp->width_start != dp->width_end)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3722 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3723 if (dp->width_arg_index != ARG_NONE)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3724 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3725 int arg;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3726
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3727 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3728 abort ();
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3729 arg = a.arg[dp->width_arg_index].a.a_int;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3730 if (arg < 0)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3731 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3732 /* "A negative field width is taken as a '-' flag
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3733 followed by a positive field width." */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3734 flags \|= FLAG_LEFT;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3735 width = (unsigned int) (-arg);
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3736 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3737 else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3738 width = arg;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3739 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3740 else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3741 {
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	3742 const FCHAR_T *digitp = dp->width_start;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3743
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3744 do
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3745 width = xsum (xtimes (width, 10), *digitp++ - '0');
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3746 while (digitp != dp->width_end);
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3747 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3748 has_width = 1;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3749 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3750 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3751
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3752 #if !USE_SNPRINTF \|\| NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3753 has_precision = 0;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3754 precision = 6;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3755 if (dp->precision_start != dp->precision_end)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3756 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3757 if (dp->precision_arg_index != ARG_NONE)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3758 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3759 int arg;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3760
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3761 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3762 abort ();
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3763 arg = a.arg[dp->precision_arg_index].a.a_int;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3764 /* "A negative precision is taken as if the precision
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3765 were omitted." */
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3766 if (arg >= 0)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3767 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3768 precision = arg;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3769 has_precision = 1;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3770 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3771 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3772 else
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3773 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3774 const FCHAR_T *digitp = dp->precision_start + 1;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3775
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3776 precision = 0;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3777 while (digitp != dp->precision_end)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3778 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3779 has_precision = 1;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3780 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3781 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3782 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	3783
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3784 /* Decide whether to handle the precision ourselves. */
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3785 #if NEED_PRINTF_UNBOUNDED_PRECISION
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3786 switch (dp->conversion)
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3787 {
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3788 case 'd': case 'i': case 'u':
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3789 case 'o':
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3790 case 'x': case 'X': case 'p':
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3791 prec_ourselves = has_precision && (precision > 0);
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3792 break;
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3793 default:
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3794 prec_ourselves = 0;
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3795 break;
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3796 }
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3797 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3798
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3799 /* Decide whether to perform the padding ourselves. */
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3800 #if !NEED_PRINTF_FLAG_LEFTADJUST && (!DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION)
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3801 switch (dp->conversion)
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3802 {
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3803 # if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3804 /* If we need conversion from TCHAR_T[] to DCHAR_T[], we need
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3805 to perform the padding after this conversion. Functions
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3806 with unistdio extensions perform the padding based on
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3807 character count rather than element count. */
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3808 case 'c': case 's':
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3809 # endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3810 # if NEED_PRINTF_FLAG_ZERO
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3811 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3812 case 'a': case 'A':
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3813 # endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3814 pad_ourselves = 1;
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3815 break;
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3816 default:
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3817 pad_ourselves = prec_ourselves;
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3818 break;
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3819 }
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3820 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3821
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	3822 #if !USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3823 /* Allocate a temporary buffer of sufficient size for calling
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3824 sprintf. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3825 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3826 switch (dp->conversion)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3827 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3828
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3829 case 'd': case 'i': case 'u':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	3830 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3831 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3832 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3833 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3834 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3835 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3836 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3837 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3838 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3839 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3840 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3841 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3842 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3843 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3844 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3845 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3846 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3847 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3848 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3849 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3850 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3851 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3852 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3853 /* Multiply by 2, as an estimate for FLAG_GROUP. */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3854 tmp_length = xsum (tmp_length, tmp_length);
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3855 /* Add 1, to account for a leading sign. */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3856 tmp_length = xsum (tmp_length, 1);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3857 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3858
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3859 case 'o':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	3860 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3861 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3862 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3863 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3864 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3865 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3866 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3867 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3868 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3869 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3870 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3871 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3872 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3873 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3874 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3875 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3876 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3877 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3878 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3879 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3880 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3881 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3882 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3883 /* Add 1, to account for a leading sign. */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3884 tmp_length = xsum (tmp_length, 1);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3885 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3886
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3887 case 'x': case 'X':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	3888 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3889 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3890 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3891 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3892 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3893 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3894 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3895 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3896 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3897 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3898 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3899 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3900 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3901 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3902 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3903 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3904 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3905 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3906 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3907 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3908 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3909 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3910 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3911 /* Add 2, to account for a leading sign or alternate form. */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	3912 tmp_length = xsum (tmp_length, 2);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3913 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3914
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3915 case 'f': case 'F':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3916 if (type == TYPE_LONGDOUBLE)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3917 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3918 (unsigned int) (LDBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3919 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3920 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3921 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3922 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3923 + 10; /* sign, decimal point etc. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3924 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3925 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3926 (unsigned int) (DBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3927 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3928 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3929 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3930 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3931 + 10; /* sign, decimal point etc. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3932 tmp_length = xsum (tmp_length, precision);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3933 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3934
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3935 case 'e': case 'E': case 'g': case 'G':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3936 tmp_length =
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3937 12; /* sign, decimal point, exponent etc. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3938 tmp_length = xsum (tmp_length, precision);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3939 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3940
8254 bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3941 case 'a': case 'A':
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3942 if (type == TYPE_LONGDOUBLE)
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3943 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3944 (unsigned int) (LDBL_DIG
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3945 * 0.831 /* decimal -> hexadecimal */
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3946 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3947 + 1; /* turn floor into ceil */
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3948 else
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3949 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3950 (unsigned int) (DBL_DIG
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3951 * 0.831 /* decimal -> hexadecimal */
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3952 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3953 + 1; /* turn floor into ceil */
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3954 if (tmp_length < precision)
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3955 tmp_length = precision;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3956 /* Account for sign, decimal point etc. */
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3957 tmp_length = xsum (tmp_length, 12);
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3958 break;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	3959
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3960 case 'c':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	3961 # if HAVE_WINT_T && !WIDE_CHAR_VERSION
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3962 if (type == TYPE_WIDE_CHAR)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3963 tmp_length = MB_CUR_MAX;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3964 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3965 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3966 tmp_length = 1;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3967 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3968
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3969 case 's':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	3970 # if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3971 if (type == TYPE_WIDE_STRING)
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3972 {
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3973 tmp_length =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3974 local_wcslen (a.arg[dp->arg_index].a.a_wide_string);
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3975
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3976 # if !WIDE_CHAR_VERSION
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3977 tmp_length = xtimes (tmp_length, MB_CUR_MAX);
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	3978 # endif
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	3979 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3980 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3981 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3982 tmp_length = strlen (a.arg[dp->arg_index].a.a_string);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3983 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3984
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3985 case 'p':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3986 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3987 (unsigned int) (sizeof (void ) CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3988 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3989 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3990 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3991 + 2; /* account for leading 0x */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3992 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3993
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3994 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3995 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3996 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	3997
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3998 if (!pad_ourselves)
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	3999 {
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4000 # if ENABLE_UNISTDIO
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4001 /* Padding considers the number of characters, therefore
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4002 the number of elements after padding may be
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4003 > max (tmp_length, width)
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4004 but is certainly
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4005 <= tmp_length + width. */
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4006 tmp_length = xsum (tmp_length, width);
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4007 # else
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4008 /* Padding considers the number of elements,
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4009 says POSIX. */
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4010 if (tmp_length < width)
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4011 tmp_length = width;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4012 # endif
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4013 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4014
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4015 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4016 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4017
8962 aea67e2678d9 Tweak last patch. Bruno Haible <bruno@clisp.org> parents: 8961 diff changeset	4018 if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4019 tmp = tmpbuf;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4020 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4021 {
8962 aea67e2678d9 Tweak last patch. Bruno Haible <bruno@clisp.org> parents: 8961 diff changeset	4022 size_t tmp_memsize = xtimes (tmp_length, sizeof (TCHAR_T));
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4023
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4024 if (size_overflow_p (tmp_memsize))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4025 /* Overflow, would lead to out of memory. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4026 goto out_of_memory;
8962 aea67e2678d9 Tweak last patch. Bruno Haible <bruno@clisp.org> parents: 8961 diff changeset	4027 tmp = (TCHAR_T *) malloc (tmp_memsize);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4028 if (tmp == NULL)
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4029 /* Out of memory. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4030 goto out_of_memory;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4031 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4032 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4033
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4034 /* Construct the format string for calling snprintf or
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4035 sprintf. */
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4036 fbp = buf;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4037 *fbp++ = '%';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4038 #if NEED_PRINTF_FLAG_GROUPING
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4039 /* The underlying implementation doesn't support the ' flag.
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4040 Produce no grouping characters in this case; this is
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4041 acceptable because the grouping is locale dependent. */
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4042 #else
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4043 if (flags & FLAG_GROUP)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4044 *fbp++ = '\'';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	4045 #endif
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4046 if (flags & FLAG_LEFT)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4047 *fbp++ = '-';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4048 if (flags & FLAG_SHOWSIGN)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4049 *fbp++ = '+';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4050 if (flags & FLAG_SPACE)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4051 *fbp++ = ' ';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4052 if (flags & FLAG_ALT)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4053 *fbp++ = '#';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4054 if (!pad_ourselves)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4055 {
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4056 if (flags & FLAG_ZERO)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4057 *fbp++ = '0';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4058 if (dp->width_start != dp->width_end)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4059 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4060 size_t n = dp->width_end - dp->width_start;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4061 /* The width specification is known to consist only
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4062 of standard ASCII characters. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4063 if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4064 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4065 memcpy (fbp, dp->width_start, n * sizeof (TCHAR_T));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4066 fbp += n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4067 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4068 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4069 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4070 const FCHAR_T *mp = dp->width_start;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4071 do
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4072 fbp++ = (unsigned char) mp++;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4073 while (--n > 0);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4074 }
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4075 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4076 }
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4077 if (!prec_ourselves)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4078 {
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4079 if (dp->precision_start != dp->precision_end)
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4080 {
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4081 size_t n = dp->precision_end - dp->precision_start;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4082 /* The precision specification is known to consist only
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4083 of standard ASCII characters. */
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4084 if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4085 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4086 memcpy (fbp, dp->precision_start, n * sizeof (TCHAR_T));
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4087 fbp += n;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4088 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4089 else
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4090 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4091 const FCHAR_T *mp = dp->precision_start;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4092 do
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4093 fbp++ = (unsigned char) mp++;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4094 while (--n > 0);
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4095 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4096 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4097 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4098
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4099 switch (type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4100 {
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4101 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4102 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4103 case TYPE_ULONGLONGINT:
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4104 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4105 *fbp++ = 'I';
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4106 *fbp++ = '6';
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4107 *fbp++ = '4';
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4108 break;
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4109 # else
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4110 *fbp++ = 'l';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4111 /FALLTHROUGH/
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	4112 # endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4113 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4114 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4115 case TYPE_ULONGINT:
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4116 #if HAVE_WINT_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4117 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4118 #endif
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4119 #if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4120 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4121 #endif
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4122 *fbp++ = 'l';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4123 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4124 case TYPE_LONGDOUBLE:
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4125 *fbp++ = 'L';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4126 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4127 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4128 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4129 }
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4130 #if NEED_PRINTF_DIRECTIVE_F
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4131 if (dp->conversion == 'F')
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4132 *fbp = 'f';
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4133 else
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4134 #endif
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4135 *fbp = dp->conversion;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4136 #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	4137 # if !(__GLIBC__ > 2 \|\| (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) \|\| ((defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__))
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4138 fbp[1] = '%';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4139 fbp[2] = 'n';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4140 fbp[3] = '\0';
9361 40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4141 # else
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4142 /* On glibc2 systems from glibc >= 2.3 - probably also older
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4143 ones - we know that snprintf's returns value conforms to
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4144 ISO C 99: the gl_SNPRINTF_DIRECTIVE_N test passes.
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4145 Therefore we can avoid using %n in this situation.
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4146 On glibc2 systems from 2004-10-18 or newer, the use of %n
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4147 in format strings in writable memory may crash the program
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4148 (if compiled with _FORTIFY_SOURCE=2), so we should avoid it
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4149 in this situation. */
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	4150 /* On native Win32 systems (such as mingw), we can avoid using
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	4151 %n because:
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	4152 - Although the gl_SNPRINTF_TRUNCATION_C99 test fails,
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	4153 snprintf does not write more than the specified number
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	4154 of bytes. (snprintf (buf, 3, "%d %d", 4567, 89) writes
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	4155 '4', '5', '6' into buf, not '4', '5', '\0'.)
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	4156 - Although the gl_SNPRINTF_RETVAL_C99 test fails, snprintf
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	4157 allows us to recognize the case of an insufficient
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	4158 buffer size: it returns -1 in this case.
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	4159 On native Win32 systems (such as mingw) where the OS is
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	4160 Windows Vista, the use of %n in format strings by default
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	4161 crashes the program. See
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	4162 <http://gcc.gnu.org/ml/gcc/2007-06/msg00122.html> and
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	4163 <http://msdn2.microsoft.com/en-us/library/ms175782(VS.80).aspx>
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	4164 So we should avoid %n in this situation. */
9361 40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4165 fbp[1] = '\0';
40389da21b02 Don't use %n on glibc >= 2.3 systems. Bruno Haible <bruno@clisp.org> parents: 9095 diff changeset	4166 # endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4167 #else
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4168 fbp[1] = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4169 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4170
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4171 /* Construct the arguments for calling snprintf or sprintf. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4172 prefix_count = 0;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4173 if (!pad_ourselves && dp->width_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4174 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4175 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4176 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4177 prefixes[prefix_count++] = a.arg[dp->width_arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4178 }
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	4179 if (dp->precision_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4180 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4181 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4182 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4183 prefixes[prefix_count++] = a.arg[dp->precision_arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4184 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4185
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4186 #if USE_SNPRINTF
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4187 /* The SNPRINTF result is appended after result[0..length].
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4188 The latter is an array of DCHAR_T; SNPRINTF appends an
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4189 array of TCHAR_T to it. This is possible because
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4190 sizeof (TCHAR_T) divides 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	4191 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	4192 # define TCHARS_PER_DCHAR (sizeof (DCHAR_T) / sizeof (TCHAR_T))
9462 7bbddc0fae4a Document and work around a BeOS snprintf() bug. Bruno Haible <bruno@clisp.org> parents: 9461 diff changeset	4193 /* Ensure that maxlen below will be >= 2. Needed on BeOS,
7bbddc0fae4a Document and work around a BeOS snprintf() bug. Bruno Haible <bruno@clisp.org> parents: 9461 diff changeset	4194 where an snprintf() with maxlen==1 acts like sprintf(). */
7bbddc0fae4a Document and work around a BeOS snprintf() bug. Bruno Haible <bruno@clisp.org> parents: 9461 diff changeset	4195 ENSURE_ALLOCATION (xsum (length,
7bbddc0fae4a Document and work around a BeOS snprintf() bug. Bruno Haible <bruno@clisp.org> parents: 9461 diff changeset	4196 (2 + TCHARS_PER_DCHAR - 1)
7bbddc0fae4a Document and work around a BeOS snprintf() bug. Bruno Haible <bruno@clisp.org> parents: 9461 diff changeset	4197 / TCHARS_PER_DCHAR));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4198 /* Prepare checking whether snprintf returns the count
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4199 via %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	4200 (TCHAR_T ) (result + length) = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4201 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4202
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4203 for (;;)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4204 {
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4205 int count = -1;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4206
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4207 #if USE_SNPRINTF
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4208 int retcount = 0;
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4209 size_t maxlen = 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	4210 /* SNPRINTF can fail if its second argument is
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4211 > INT_MAX. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4212 if (maxlen > INT_MAX / TCHARS_PER_DCHAR)
9371 8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4213 maxlen = INT_MAX / TCHARS_PER_DCHAR;
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4214 maxlen = maxlen * TCHARS_PER_DCHAR;
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	4215 # define SNPRINTF_BUF(arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4216 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4217 { \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4218 case 0: \
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4219 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4220 maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4221 arg, &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4222 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4223 case 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	4224 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4225 maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4226 prefixes[0], arg, &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4227 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4228 case 2: \
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4229 retcount = SNPRINTF ((TCHAR_T *) (result + length), \
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4230 maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4231 prefixes[0], prefixes[1], arg, \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4232 &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4233 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4234 default: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4235 abort (); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4236 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4237 #else
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	4238 # define SNPRINTF_BUF(arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4239 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4240 { \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4241 case 0: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4242 count = sprintf (tmp, buf, arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4243 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4244 case 1: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4245 count = sprintf (tmp, buf, prefixes[0], arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4246 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4247 case 2: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4248 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4249 arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4250 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4251 default: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4252 abort (); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4253 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4254 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4255
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4256 switch (type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4257 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4258 case TYPE_SCHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4259 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4260 int arg = a.arg[dp->arg_index].a.a_schar;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4261 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4262 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4263 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4264 case TYPE_UCHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4265 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4266 unsigned int arg = a.arg[dp->arg_index].a.a_uchar;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4267 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4268 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4269 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4270 case TYPE_SHORT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4271 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4272 int arg = a.arg[dp->arg_index].a.a_short;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4273 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4274 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4275 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4276 case TYPE_USHORT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4277 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4278 unsigned int arg = a.arg[dp->arg_index].a.a_ushort;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4279 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4280 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4281 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4282 case TYPE_INT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4283 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4284 int arg = a.arg[dp->arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4285 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4286 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4287 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4288 case TYPE_UINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4289 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4290 unsigned int arg = a.arg[dp->arg_index].a.a_uint;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4291 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4292 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4293 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4294 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4295 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4296 long int arg = a.arg[dp->arg_index].a.a_longint;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4297 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4298 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4299 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4300 case TYPE_ULONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4301 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4302 unsigned long int arg = a.arg[dp->arg_index].a.a_ulongint;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4303 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4304 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4305 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4306 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4307 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4308 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4309 long long int arg = a.arg[dp->arg_index].a.a_longlongint;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4310 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4311 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4312 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4313 case TYPE_ULONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4314 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4315 unsigned long long int arg = a.arg[dp->arg_index].a.a_ulonglongint;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4316 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4317 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4318 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4319 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4320 case TYPE_DOUBLE:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4321 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4322 double arg = a.arg[dp->arg_index].a.a_double;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4323 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4324 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4325 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4326 case TYPE_LONGDOUBLE:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4327 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4328 long double arg = a.arg[dp->arg_index].a.a_longdouble;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4329 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4330 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4331 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4332 case TYPE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4333 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4334 int arg = a.arg[dp->arg_index].a.a_char;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4335 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4336 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4337 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4338 #if HAVE_WINT_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4339 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4340 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4341 wint_t arg = a.arg[dp->arg_index].a.a_wide_char;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4342 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4343 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4344 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4345 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4346 case TYPE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4347 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4348 const char *arg = a.arg[dp->arg_index].a.a_string;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4349 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4350 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4351 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	4352 #if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4353 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4354 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4355 const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4356 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4357 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4358 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4359 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4360 case TYPE_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4361 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4362 void *arg = a.arg[dp->arg_index].a.a_pointer;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4363 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4364 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4365 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4366 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4367 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4368 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4369
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4370 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4371 /* Portability: Not all implementations of snprintf()
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4372 are ISO C 99 compliant. Determine the number of
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4373 bytes that snprintf() has produced or would have
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4374 produced. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4375 if (count >= 0)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4376 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4377 /* Verify that snprintf() has NUL-terminated its
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4378 result. */
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4379 if (count < maxlen
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4380 && ((TCHAR_T *) (result + length)) [count] != '\0')
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4381 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4382 /* Portability hack. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4383 if (retcount > count)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4384 count = retcount;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4385 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4386 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4387 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4388 /* snprintf() doesn't understand the '%n'
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4389 directive. */
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4390 if (fbp[1] != '\0')
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4391 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4392 /* Don't use the '%n' directive; instead, look
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4393 at the snprintf() return value. */
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4394 fbp[1] = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4395 continue;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4396 }
4801 83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4397 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4398 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4399 /* Look at the snprintf() return value. */
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4400 if (retcount < 0)
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4401 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4402 /* HP-UX 10.20 snprintf() is doubly deficient:
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4403 It doesn't understand the '%n' directive,
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4404 and it returns -1 (rather than the length
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4405 that would have been required) when the
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4406 buffer is too small. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4407 size_t bigger_need =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4408 xsum (xtimes (allocated, 2), 12);
4801 83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4409 ENSURE_ALLOCATION (bigger_need);
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4410 continue;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4411 }
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4412 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4413 count = retcount;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	4414 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4415 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4416 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4417
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4418 /* Attempt to handle failure. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4419 if (count < 0)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4420 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4421 if (!(result == resultbuf \|\| result == NULL))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4422 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	4423 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	4424 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4425 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4426 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4427 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4428 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4429
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4430 #if USE_SNPRINTF
9439 9d292d1d891c Fix detection of overflow: don't assume that snprintf is C99 compliant. Bruno Haible <bruno@clisp.org> parents: 9438 diff changeset	4431 /* Handle overflow of the allocated buffer.
9d292d1d891c Fix detection of overflow: don't assume that snprintf is C99 compliant. Bruno Haible <bruno@clisp.org> parents: 9438 diff changeset	4432 If such an overflow occurs, a C99 compliant snprintf()
9d292d1d891c Fix detection of overflow: don't assume that snprintf is C99 compliant. Bruno Haible <bruno@clisp.org> parents: 9438 diff changeset	4433 returns a count >= maxlen. However, a non-compliant
9d292d1d891c Fix detection of overflow: don't assume that snprintf is C99 compliant. Bruno Haible <bruno@clisp.org> parents: 9438 diff changeset	4434 snprintf() function returns only count = maxlen - 1. To
9d292d1d891c Fix detection of overflow: don't assume that snprintf is C99 compliant. Bruno Haible <bruno@clisp.org> parents: 9438 diff changeset	4435 cover both cases, test whether count >= maxlen - 1. */
9d292d1d891c Fix detection of overflow: don't assume that snprintf is C99 compliant. Bruno Haible <bruno@clisp.org> parents: 9438 diff changeset	4436 if ((unsigned int) count + 1 >= maxlen)
8837 6d6277df29a9 Fix logic bug introduced on 2007-05-06. Bruno Haible <bruno@clisp.org> parents: 8835 diff changeset	4437 {
9371 8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4438 /* If maxlen already has attained its allowed maximum,
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4439 allocating more memory will not increase maxlen.
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4440 Instead of looping, bail out. */
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4441 if (maxlen == INT_MAX / TCHARS_PER_DCHAR)
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4442 goto overflow;
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4443 else
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4444 {
9461 c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4445 /* Need at least (count + 1) * sizeof (TCHAR_T)
c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4446 bytes. (The +1 is for the trailing NUL.)
c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4447 But ask for (count + 2) * sizeof (TCHAR_T)
c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4448 bytes, so that in the next round, we likely get
c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4449 maxlen > (unsigned int) count + 1
c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4450 and so we don't get here again.
c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4451 And allocate proportionally, to avoid looping
9371 8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4452 eternally if snprintf() reports a too small
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4453 count. */
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4454 size_t n =
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4455 xmax (xsum (length,
9461 c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4456 ((unsigned int) count + 2
c6d483077434 Fix inefficiency introduced on 2007-11-03. Bruno Haible <bruno@clisp.org> parents: 9454 diff changeset	4457 + TCHARS_PER_DCHAR - 1)
9371 8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4458 / TCHARS_PER_DCHAR),
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4459 xtimes (allocated, 2));
8837 6d6277df29a9 Fix logic bug introduced on 2007-05-06. Bruno Haible <bruno@clisp.org> parents: 8835 diff changeset	4460
9371 8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4461 ENSURE_ALLOCATION (n);
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4462 continue;
8b3c48038257 Don't report an unjustified overflow error. Bruno Haible <bruno@clisp.org> parents: 9361 diff changeset	4463 }
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4464 }
8837 6d6277df29a9 Fix logic bug introduced on 2007-05-06. Bruno Haible <bruno@clisp.org> parents: 8835 diff changeset	4465 #endif
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4466
9446 0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4467 #if NEED_PRINTF_UNBOUNDED_PRECISION
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4468 if (prec_ourselves)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4469 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4470 /* Handle the precision. */
9651 cee38e50f29c vasnprintf.c: Avoid warning about unused label Jim Meyering <meyering@redhat.com> parents: 9646 diff changeset	4471 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	4472 # if USE_SNPRINTF
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4473 (TCHAR_T *) (result + length);
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4474 # else
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4475 tmp;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4476 # endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4477 size_t prefix_count;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4478 size_t move;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4479
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4480 prefix_count = 0;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4481 /* Put the additional zeroes after the sign. */
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4482 if (count >= 1
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4483 && (prec_ptr == '-' \|\| prec_ptr == '+'
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4484 \|\| *prec_ptr == ' '))
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4485 prefix_count = 1;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4486 /* Put the additional zeroes after the 0x prefix if
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4487 (flags & FLAG_ALT) \|\| (dp->conversion == 'p'). */
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4488 else if (count >= 2
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4489 && prec_ptr[0] == '0'
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4490 && (prec_ptr[1] == 'x' \|\| prec_ptr[1] == 'X'))
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4491 prefix_count = 2;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4492
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4493 move = count - prefix_count;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4494 if (precision > move)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4495 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4496 /* Insert zeroes. */
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4497 size_t insert = precision - move;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4498 TCHAR_T *prec_end;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4499
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4500 # if USE_SNPRINTF
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4501 size_t n =
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4502 xsum (length,
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4503 (count + insert + TCHARS_PER_DCHAR - 1)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4504 / TCHARS_PER_DCHAR);
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4505 length += (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4506 ENSURE_ALLOCATION (n);
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4507 length -= (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4508 prec_ptr = (TCHAR_T *) (result + length);
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4509 # endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4510
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4511 prec_end = prec_ptr + count;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4512 prec_ptr += prefix_count;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4513
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4514 while (prec_end > prec_ptr)
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4515 {
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4516 prec_end--;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4517 prec_end[insert] = prec_end[0];
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4518 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4519
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4520 prec_end += insert;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4521 do
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4522 *--prec_end = '0';
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4523 while (prec_end > prec_ptr);
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4524
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4525 count += insert;
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4526 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4527 }
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4528 #endif
0519fc8ce06a Fix printf behaviour for large precisions on mingw and BeOS. Bruno Haible <bruno@clisp.org>* parents: 9445 diff changeset	4529
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4530 #if !USE_SNPRINTF
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4531 if (count >= tmp_length)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4532 /* tmp_length was incorrectly calculated - fix the
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4533 code above! */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4534 abort ();
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4535 #endif
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4536
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4537 #if !DCHAR_IS_TCHAR
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4538 /* Convert from TCHAR_T[] to 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	4539 if (dp->conversion == 'c' \|\| dp->conversion == 's')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4540 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4541 /* type = TYPE_CHAR or TYPE_WIDE_CHAR or TYPE_STRING
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4542 TYPE_WIDE_STRING.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4543 The result string is not certainly ASCII. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4544 const TCHAR_T *tmpsrc;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4545 DCHAR_T *tmpdst;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4546 size_t tmpdst_len;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4547 /* This code assumes that TCHAR_T is 'char'. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4548 typedef int TCHAR_T_verify
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4549 [2 * (sizeof (TCHAR_T) == 1) - 1];
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4550 # if USE_SNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4551 tmpsrc = (TCHAR_T *) (result + length);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4552 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4553 tmpsrc = tmp;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4554 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4555 tmpdst = NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4556 tmpdst_len = 0;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4557 if (DCHAR_CONV_FROM_ENCODING (locale_charset (),
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4558 iconveh_question_mark,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4559 tmpsrc, count,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4560 NULL,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4561 &tmpdst, &tmpdst_len)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4562 < 0)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4563 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4564 int saved_errno = errno;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4565 if (!(result == resultbuf \|\| result == NULL))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4566 free (result);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4567 if (buf_malloced != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4568 free (buf_malloced);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4569 CLEANUP ();
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4570 errno = saved_errno;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4571 return NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4572 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4573 ENSURE_ALLOCATION (xsum (length, tmpdst_len));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4574 DCHAR_CPY (result + length, tmpdst, tmpdst_len);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4575 free (tmpdst);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4576 count = tmpdst_len;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4577 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4578 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4579 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4580 /* The result string is ASCII.
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4581 Simple 1:1 conversion. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4582 # if USE_SNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4583 /* If sizeof (DCHAR_T) == sizeof (TCHAR_T), it's a
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4584 no-op conversion, in-place on the array starting
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4585 at (result + length). */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4586 if (sizeof (DCHAR_T) != sizeof (TCHAR_T))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4587 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4588 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4589 const TCHAR_T *tmpsrc;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4590 DCHAR_T *tmpdst;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4591 size_t n;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4592
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4593 # if USE_SNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4594 if (result == resultbuf)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4595 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4596 tmpsrc = (TCHAR_T *) (result + length);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4597 /* ENSURE_ALLOCATION will not move tmpsrc
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4598 (because it's part of resultbuf). */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4599 ENSURE_ALLOCATION (xsum (length, count));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4600 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4601 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4602 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4603 /* ENSURE_ALLOCATION will move the array
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4604 (because it uses realloc(). */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4605 ENSURE_ALLOCATION (xsum (length, count));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4606 tmpsrc = (TCHAR_T *) (result + length);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4607 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4608 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4609 tmpsrc = tmp;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4610 ENSURE_ALLOCATION (xsum (length, count));
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4611 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4612 tmpdst = result + length;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4613 /* Copy backwards, because of overlapping. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4614 tmpsrc += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4615 tmpdst += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4616 for (n = count; n > 0; n--)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4617 --tmpdst = (unsigned char) --tmpsrc;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4618 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4619 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4620 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4621
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4622 #if DCHAR_IS_TCHAR && !USE_SNPRINTF
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4623 /* Make room for the result. */
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4624 if (count > allocated - length)
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4625 {
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4626 /* Need at least count elements. But allocate
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4627 proportionally. */
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4628 size_t n =
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4629 xmax (xsum (length, count), xtimes (allocated, 2));
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4630
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4631 ENSURE_ALLOCATION (n);
8837 6d6277df29a9 Fix logic bug introduced on 2007-05-06. Bruno Haible <bruno@clisp.org> parents: 8835 diff changeset	4632 }
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4633 #endif
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4634
f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4635 /* Here count <= allocated - length. */
8837 6d6277df29a9 Fix logic bug introduced on 2007-05-06. Bruno Haible <bruno@clisp.org> parents: 8835 diff changeset	4636
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4637 /* 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	4638 #if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO \|\| NEED_PRINTF_FLAG_LEFTADJUST \|\| NEED_PRINTF_FLAG_ZERO \|\| NEED_PRINTF_UNBOUNDED_PRECISION
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4639 if (pad_ourselves && has_width)
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4640 {
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4641 size_t w;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4642 # if ENABLE_UNISTDIO
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4643 /* Outside POSIX, it's preferrable to compare the width
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4644 against the number of _characters_ of the converted
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4645 value. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4646 w = DCHAR_MBSNLEN (result + length, count);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4647 # else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4648 /* The width is compared against the number of _bytes_
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4649 of the converted value, says POSIX. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4650 w = count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4651 # endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4652 if (w < width)
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4653 {
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4654 size_t pad = width - w;
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4655
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4656 /* Make room for the result. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4657 if (xsum (count, pad) > allocated - length)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4658 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4659 /* Need at least count + pad elements. But
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4660 allocate proportionally. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4661 size_t n =
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4662 xmax (xsum3 (length, count, pad),
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4663 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	4664
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4665 # if USE_SNPRINTF
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4666 length += count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4667 ENSURE_ALLOCATION (n);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4668 length -= count;
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4669 # else
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4670 ENSURE_ALLOCATION (n);
b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4671 # 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	4672 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4673 /* Here count + pad <= allocated - length. */
9834 b4f1e5627265 Fix buffer overrun. Bruno Haible <bruno@clisp.org> parents: 9831 diff changeset	4674
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4675 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4676 # if !DCHAR_IS_TCHAR \|\| USE_SNPRINTF
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4677 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	4678 # 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	4679 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	4680 # 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	4681 DCHAR_T *p = rp + count;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4682 DCHAR_T *end = p + pad;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4683 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	4684 # if !DCHAR_IS_TCHAR \|\| ENABLE_UNISTDIO
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4685 if (dp->conversion == 'c'
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4686 \|\| dp->conversion == 's')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4687 /* No zero-padding for string directives. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4688 pad_ptr = NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4689 else
9672 c0fb9d4d860d Fix bug introduced on 2007-06-10. Bruno Haible <bruno@clisp.org> parents: 9651 diff changeset	4690 # 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	4691 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4692 pad_ptr = (*rp == '-' ? rp + 1 : rp);
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4693 /* No zero-padding of "inf" and "nan". */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4694 if ((pad_ptr >= 'A' && pad_ptr <= 'Z')
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4695 \|\| (pad_ptr >= 'a' && pad_ptr <= 'z'))
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4696 pad_ptr = NULL;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4697 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4698 /* The generated string now extends from rp to p,
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4699 with the zero padding insertion point being at
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4700 pad_ptr. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4701
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4702 count = count + pad; /* = end - rp */
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4703
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4704 if (flags & FLAG_LEFT)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4705 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4706 /* Pad with spaces on the right. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4707 for (; pad > 0; pad--)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4708 *p++ = ' ';
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4709 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4710 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4711 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4712 /* Pad with zeroes. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4713 DCHAR_T *q = end;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4714
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4715 while (p > pad_ptr)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4716 --q = --p;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4717 for (; pad > 0; pad--)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4718 *p++ = '0';
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4719 }
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4720 else
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4721 {
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4722 /* Pad with spaces on the left. */
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4723 DCHAR_T *q = end;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4724
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4725 while (p > rp)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4726 --q = --p;
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4727 for (; pad > 0; pad--)
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4728 *p++ = ' ';
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4729 }
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4730 }
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4731 }
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4732 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4733 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	4734
8963 f2b97e5b14f5 Tweak the size computations and reallocations. Bruno Haible <bruno@clisp.org> parents: 8962 diff changeset	4735 /* Here still count <= allocated - length. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4736
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4737 #if !DCHAR_IS_TCHAR \|\| USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4738 /* The snprintf() result did fit. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4739 #else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4740 /* Append the sprintf() result. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	4741 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	4742 #endif
7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4743 #if !USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4744 if (tmp != tmpbuf)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4745 free (tmp);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4746 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4747
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4748 #if NEED_PRINTF_DIRECTIVE_F
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4749 if (dp->conversion == 'F')
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4750 {
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4751 /* Convert the %f result to upper case for %F. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	4752 DCHAR_T *rp = result + length;
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4753 size_t rc;
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4754 for (rc = count; rc > 0; rc--, rp++)
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4755 if (rp >= 'a' && rp <= 'z')
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4756 rp = rp - 'a' + 'A';
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4757 }
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4758 #endif
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	4759
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4760 length += count;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4761 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4762 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4763 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4764 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4765 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4766
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4767 /* Add the final NUL. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4768 ENSURE_ALLOCATION (xsum (length, 1));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4769 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4770
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4771 if (result != resultbuf && length + 1 < allocated)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4772 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4773 /* Shrink the allocated memory if possible. */
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	4774 DCHAR_T *memory;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4775
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	4776 memory = (DCHAR_T ) realloc (result, (length + 1) sizeof (DCHAR_T));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4777 if (memory != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4778 result = memory;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4779 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4780
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	4781 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	4782 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4783 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4784 *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	4785 /* 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	4786 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	4787 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	4788 not have this limitation. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4789 return result;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4790
9651 cee38e50f29c vasnprintf.c: Avoid warning about unused label Jim Meyering <meyering@redhat.com> parents: 9646 diff changeset	4791 #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	4792 overflow:
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	4793 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	4794 free (result);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	4795 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	4796 free (buf_malloced);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	4797 CLEANUP ();
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	4798 errno = EOVERFLOW;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	4799 return NULL;
9651 cee38e50f29c vasnprintf.c: Avoid warning about unused label Jim Meyering <meyering@redhat.com> parents: 9646 diff changeset	4800 #endif
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	4801
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4802 out_of_memory:
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4803 if (!(result == resultbuf \|\| result == NULL))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4804 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	4805 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	4806 free (buf_malloced);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	4807 out_of_memory_1:
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4808 CLEANUP ();
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4809 errno = ENOMEM;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	4810 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4811 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	4812 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4813
8973 7df86a1985e4 Add support for Unicode strings (both as output format and as arguments to Bruno Haible <bruno@clisp.org> parents: 8963 diff changeset	4814 #undef TCHARS_PER_DCHAR
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4815 #undef SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4816 #undef USE_SNPRINTF
9450 9928de4bfe8a Undefine two macros after they are not needed any more. Bruno Haible <bruno@clisp.org> parents: 9446 diff changeset	4817 #undef DCHAR_CPY
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4818 #undef PRINTF_PARSE
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4819 #undef DIRECTIVES
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4820 #undef DIRECTIVE
9450 9928de4bfe8a Undefine two macros after they are not needed any more. Bruno Haible <bruno@clisp.org> parents: 9446 diff changeset	4821 #undef DCHAR_IS_TCHAR
8961 f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	4822 #undef TCHAR_T
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	4823 #undef DCHAR_T
f1938b0a1252 More type parameters. Bruno Haible <bruno@clisp.org> parents: 8916 diff changeset	4824 #undef FCHAR_T
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	4825 #undef VASNPRINTF

Mercurial > hg > octave-lojdl > gnulib-hg

annotate lib/vasnprintf.c @ 10264:ebb7ea0c94e8