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

annotate lib/vasnprintf.c @ 8531:52719799a90e

New module 'fpucw'.

author	Bruno Haible <bruno@clisp.org>
date	Sun, 25 Mar 2007 02:29:46 +0000
parents	5761935ad270
children	35eb5062216c

rev	line source
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1 /* vsprintf with automatic memory allocation.
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	2 Copyright (C) 1999, 2002-2007 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
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	18 /* 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	19 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	20 <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	21 #ifndef _GNU_SOURCE
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	22 # define _GNU_SOURCE 1
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	23 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	24
7304 1c4ed7637c24 Include <config.h> unconditionally. Bruno Haible <bruno@clisp.org> parents: 7218 diff changeset	25 #include <config.h>
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	26 #ifndef IN_LIBINTL
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	27 # include <alloca.h>
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	28 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	29
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	30 /* Specification. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	31 #if WIDE_CHAR_VERSION
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	32 # include "vasnwprintf.h"
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	33 #else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	34 # include "vasnprintf.h"
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	35 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	36
8400 655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	37 #include <locale.h> /* localeconv() */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	38 #include <stdio.h> /* snprintf(), sprintf() */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	39 #include <stdlib.h> /* abort(), malloc(), realloc(), free() */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	40 #include <string.h> /* memcpy(), strlen() */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	41 #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	42 #include <limits.h> /* CHAR_BIT */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	43 #include <float.h> /* DBL_MAX_EXP, LDBL_MAX_EXP */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	44 #if WIDE_CHAR_VERSION
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	45 # include "wprintf-parse.h"
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	46 #else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	47 # include "printf-parse.h"
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	48 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	49
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	50 /* Checked size_t computations. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	51 #include "xsize.h"
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	52
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	53 #if NEED_PRINTF_DIRECTIVE_A && !defined IN_LIBINTL
8529 5761935ad270 Correct bitwise comparison of 'long double' numbers. Bruno Haible <bruno@clisp.org> parents: 8526 diff changeset	54 # include "float+.h"
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	55 # include "isnan.h"
8526 67e9a647f2fa Fix includes. Bruno Haible <bruno@clisp.org> parents: 8487 diff changeset	56 # include "printf-frexp.h"
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	57 # if HAVE_LONG_DOUBLE
8526 67e9a647f2fa Fix includes. Bruno Haible <bruno@clisp.org> parents: 8487 diff changeset	58 # include "isnanl-nolibm.h"
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	59 # include "printf-frexpl.h"
8531 52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	60 # include "fpucw.h"
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	61 # endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	62 #endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	63
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	64 /* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	65 #ifndef EOVERFLOW
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	66 # define EOVERFLOW E2BIG
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	67 #endif
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	68
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	69 #if HAVE_WCHAR_T
9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	70 # 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	71 # 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	72 # else
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	73 /* 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	74 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	75 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	76 twice in the same compilation unit. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	77 # ifndef local_wcslen_defined
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	78 # 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	79 static size_t
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	80 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	81 {
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	82 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	83
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	84 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	85 ;
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	86 return ptr - s;
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	87 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	88 # endif
4523 6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	89 # endif
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	90 #endif
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	91
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	92 #if WIDE_CHAR_VERSION
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	93 # define VASNPRINTF vasnwprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	94 # define CHAR_T wchar_t
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	95 # define DIRECTIVE wchar_t_directive
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	96 # define DIRECTIVES wchar_t_directives
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	97 # define PRINTF_PARSE wprintf_parse
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	98 # define USE_SNPRINTF 1
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	99 # if HAVE_DECL__SNWPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	100 /* 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	101 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	102 # define SNPRINTF _snwprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	103 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	104 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	105 # define SNPRINTF swprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	106 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	107 #else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	108 # define VASNPRINTF vasnprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	109 # define CHAR_T char
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	110 # define DIRECTIVE char_directive
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	111 # define DIRECTIVES char_directives
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	112 # define PRINTF_PARSE printf_parse
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	113 # define USE_SNPRINTF (HAVE_DECL__SNPRINTF \|\| HAVE_SNPRINTF)
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	114 # if HAVE_DECL__SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	115 /* Windows. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	116 # define SNPRINTF _snprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	117 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	118 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	119 # define SNPRINTF snprintf
8417 ee40afd85f2c Avoid an endless recursion. Bruno Haible <bruno@clisp.org> parents: 8400 diff changeset	120 /* 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	121 # undef snprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	122 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	123 #endif
8424 ec3450ce9889 Use the system's sprintf function. Bruno Haible <bruno@clisp.org> parents: 8417 diff changeset	124 /* 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	125 #undef sprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	126
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	127 CHAR_T *
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	128 VASNPRINTF (CHAR_T resultbuf, size_t lengthp, const CHAR_T *format, va_list args)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	129 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	130 DIRECTIVES d;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	131 arguments a;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	132
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	133 if (PRINTF_PARSE (format, &d, &a) < 0)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	134 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	135 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	136 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	137 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	138
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	139 #define CLEANUP() \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	140 free (d.dir); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	141 if (a.arg) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	142 free (a.arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	143
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	144 if (printf_fetchargs (args, &a) < 0)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	145 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	146 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	147 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	148 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	149 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	150
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	151 {
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	152 size_t buf_neededlength;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	153 CHAR_T *buf;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	154 CHAR_T *buf_malloced;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	155 const CHAR_T *cp;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	156 size_t i;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	157 DIRECTIVE *dp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	158 /* Output string accumulator. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	159 CHAR_T *result;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	160 size_t allocated;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	161 size_t length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	162
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	163 /* 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	164 sprintf or snprintf. */
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	165 buf_neededlength =
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	166 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	167 #if HAVE_ALLOCA
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	168 if (buf_neededlength < 4000 / sizeof (CHAR_T))
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	169 {
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	170 buf = (CHAR_T ) alloca (buf_neededlength sizeof (CHAR_T));
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	171 buf_malloced = NULL;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	172 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	173 else
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	174 #endif
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	175 {
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	176 size_t buf_memsize = xtimes (buf_neededlength, sizeof (CHAR_T));
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	177 if (size_overflow_p (buf_memsize))
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	178 goto out_of_memory_1;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	179 buf = (CHAR_T *) malloc (buf_memsize);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	180 if (buf == NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	181 goto out_of_memory_1;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	182 buf_malloced = buf;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	183 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	184
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	185 if (resultbuf != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	186 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	187 result = resultbuf;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	188 allocated = *lengthp;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	189 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	190 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	191 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	192 result = NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	193 allocated = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	194 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	195 length = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	196 /* Invariants:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	197 result is either == resultbuf or == NULL or malloc-allocated.
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	198 If length > 0, then result != NULL. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	199
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	200 /* 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	201 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	202 #define ENSURE_ALLOCATION(needed) \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	203 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	204 { \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	205 size_t memory_size; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	206 CHAR_T *memory; \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	207 \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	208 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	209 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	210 allocated = (needed); \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	211 memory_size = xtimes (allocated, sizeof (CHAR_T)); \
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	212 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	213 goto out_of_memory; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	214 if (result == resultbuf \|\| result == NULL) \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	215 memory = (CHAR_T *) malloc (memory_size); \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	216 else \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	217 memory = (CHAR_T *) realloc (result, memory_size); \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	218 if (memory == NULL) \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	219 goto out_of_memory; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	220 if (result == resultbuf && length > 0) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	221 memcpy (memory, result, length * sizeof (CHAR_T)); \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	222 result = memory; \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	223 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	224
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	225 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	226 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	227 if (cp != dp->dir_start)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	228 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	229 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	230 size_t augmented_length = xsum (length, n);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	231
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	232 ENSURE_ALLOCATION (augmented_length);
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	233 memcpy (result + length, cp, n * sizeof (CHAR_T));
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	234 length = augmented_length;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	235 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	236 if (i == d.count)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	237 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	238
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	239 /* Execute a single directive. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	240 if (dp->conversion == '%')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	241 {
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	242 size_t augmented_length;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	243
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	244 if (!(dp->arg_index == ARG_NONE))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	245 abort ();
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	246 augmented_length = xsum (length, 1);
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	247 ENSURE_ALLOCATION (augmented_length);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	248 result[length] = '%';
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	249 length = augmented_length;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	250 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	251 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	252 {
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	253 if (!(dp->arg_index != ARG_NONE))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	254 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	255
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	256 if (dp->conversion == 'n')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	257 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	258 switch (a.arg[dp->arg_index].type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	259 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	260 case TYPE_COUNT_SCHAR_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	261 *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	262 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	263 case TYPE_COUNT_SHORT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	264 *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	265 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	266 case TYPE_COUNT_INT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	267 *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	268 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	269 case TYPE_COUNT_LONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	270 *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	271 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	272 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	273 case TYPE_COUNT_LONGLONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	274 *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	275 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	276 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	277 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	278 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	279 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	280 }
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	281 #if NEED_PRINTF_DIRECTIVE_A && !defined IN_LIBINTL
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	282 else if (dp->conversion == 'a' \|\| dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	283 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	284 arg_type type = a.arg[dp->arg_index].type;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	285 int flags = dp->flags;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	286 int has_width;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	287 size_t width;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	288 int has_precision;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	289 size_t precision;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	290 size_t tmp_length;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	291 CHAR_T tmpbuf[700];
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	292 CHAR_T *tmp;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	293 CHAR_T *pad_ptr;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	294 CHAR_T *p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	295
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	296 has_width = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	297 width = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	298 if (dp->width_start != dp->width_end)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	299 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	300 if (dp->width_arg_index != ARG_NONE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	301 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	302 int arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	303
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	304 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	305 abort ();
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	306 arg = a.arg[dp->width_arg_index].a.a_int;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	307 if (arg < 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	308 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	309 /* "A negative field width is taken as a '-' flag
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	310 followed by a positive field width." */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	311 flags \|= FLAG_LEFT;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	312 width = (unsigned int) (-arg);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	313 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	314 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	315 width = arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	316 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	317 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	318 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	319 const CHAR_T *digitp = dp->width_start;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	320
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	321 do
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	322 width = xsum (xtimes (width, 10), *digitp++ - '0');
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	323 while (digitp != dp->width_end);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	324 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	325 has_width = 1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	326 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	327
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	328 has_precision = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	329 precision = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	330 if (dp->precision_start != dp->precision_end)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	331 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	332 if (dp->precision_arg_index != ARG_NONE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	333 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	334 int arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	335
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	336 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	337 abort ();
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	338 arg = a.arg[dp->precision_arg_index].a.a_int;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	339 /* "A negative precision is taken as if the precision
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	340 were omitted." */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	341 if (arg >= 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	342 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	343 precision = arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	344 has_precision = 1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	345 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	346 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	347 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	348 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	349 const CHAR_T *digitp = dp->precision_start + 1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	350
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	351 precision = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	352 while (digitp != dp->precision_end)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	353 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	354 has_precision = 1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	355 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	356 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	357
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	358 /* Allocate a temporary buffer of sufficient size. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	359 # if HAVE_LONG_DOUBLE
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	360 if (type == TYPE_LONGDOUBLE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	361 tmp_length =
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	362 (unsigned int) ((LDBL_DIG + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	363 * 0.831 /* decimal -> hexadecimal */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	364 )
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	365 + 1; /* turn floor into ceil */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	366 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	367 # endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	368 tmp_length =
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	369 (unsigned int) ((DBL_DIG + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	370 * 0.831 /* decimal -> hexadecimal */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	371 )
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	372 + 1; /* turn floor into ceil */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	373 if (tmp_length < precision)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	374 tmp_length = precision;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	375 /* Account for sign, decimal point etc. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	376 tmp_length = xsum (tmp_length, 12);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	377
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	378 if (tmp_length < width)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	379 tmp_length = width;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	380
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	381 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	382
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	383 if (tmp_length <= sizeof (tmpbuf) / sizeof (CHAR_T))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	384 tmp = tmpbuf;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	385 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	386 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	387 size_t tmp_memsize = xtimes (tmp_length, sizeof (CHAR_T));
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	388
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	389 if (size_overflow_p (tmp_memsize))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	390 /* Overflow, would lead to out of memory. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	391 goto out_of_memory;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	392 tmp = (CHAR_T *) malloc (tmp_memsize);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	393 if (tmp == NULL)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	394 /* Out of memory. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	395 goto out_of_memory;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	396 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	397
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	398 pad_ptr = NULL;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	399 p = tmp;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	400 # if HAVE_LONG_DOUBLE
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	401 if (type == TYPE_LONGDOUBLE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	402 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	403 long double arg = a.arg[dp->arg_index].a.a_longdouble;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	404
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	405 if (isnanl (arg))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	406 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	407 if (dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	408 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	409 p++ = 'N'; p++ = 'A'; *p++ = 'N';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	410 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	411 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	412 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	413 p++ = 'n'; p++ = 'a'; *p++ = 'n';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	414 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	415 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	416 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	417 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	418 int sign = 0;
8531 52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	419 DECL_LONG_DOUBLE_ROUNDING
52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	420
52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	421 BEGIN_LONG_DOUBLE_ROUNDING ();
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	422
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	423 if (arg < 0.0L)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	424 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	425 sign = -1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	426 arg = -arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	427 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	428 else if (arg == 0.0L)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	429 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	430 /* Distinguish 0.0L and -0.0L. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	431 static long double plus_zero = 0.0L;
8529 5761935ad270 Correct bitwise comparison of 'long double' numbers. Bruno Haible <bruno@clisp.org> parents: 8526 diff changeset	432 long double arg_mem = arg;
5761935ad270 Correct bitwise comparison of 'long double' numbers. Bruno Haible <bruno@clisp.org> parents: 8526 diff changeset	433 if (memcmp (&plus_zero, &arg_mem, SIZEOF_LDBL) != 0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	434 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	435 sign = -1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	436 arg = -arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	437 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	438 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	439
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	440 if (sign < 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	441 *p++ = '-';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	442 else if (flags & FLAG_SHOWSIGN)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	443 *p++ = '+';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	444 else if (flags & FLAG_SPACE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	445 *p++ = ' ';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	446
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	447 if (arg > 0.0L && arg + arg == arg)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	448 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	449 if (dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	450 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	451 p++ = 'I'; p++ = 'N'; *p++ = 'F';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	452 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	453 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	454 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	455 p++ = 'i'; p++ = 'n'; *p++ = 'f';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	456 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	457 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	458 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	459 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	460 int exponent;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	461 long double mantissa;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	462
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	463 if (arg > 0.0L)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	464 mantissa = printf_frexpl (arg, &exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	465 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	466 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	467 exponent = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	468 mantissa = 0.0L;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	469 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	470
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	471 if (has_precision
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	472 && precision < (unsigned int) ((LDBL_DIG + 1) * 0.831) + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	473 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	474 /* Round the mantissa. */
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	475 long double tail = mantissa;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	476 size_t q;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	477
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	478 for (q = precision; ; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	479 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	480 int digit = (int) tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	481 tail -= digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	482 if (q == 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	483 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	484 if (digit & 1 ? tail >= 0.5L : tail > 0.5L)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	485 tail = 1 - tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	486 else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	487 tail = - tail;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	488 break;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	489 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	490 tail *= 16.0L;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	491 }
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	492 if (tail != 0.0L)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	493 for (q = precision; q > 0; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	494 tail *= 0.0625L;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	495 mantissa += tail;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	496 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	497
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	498 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	499 *p++ = dp->conversion - 'A' + 'X';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	500 pad_ptr = p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	501 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	502 int digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	503
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	504 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	505 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	506 *p++ = '0' + digit;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	507 if ((flags & FLAG_ALT)
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	508 \|\| mantissa > 0.0L \|\| precision > 0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	509 {
8400 655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	510 const char *point =
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	511 localeconv () -> decimal_point;
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	512 /* The decimal point is always a single byte:
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	513 either '.' or ','. */
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	514 *p++ = (point[0] != '\0' ? point[0] : '.');
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	515 /* This loop terminates because we assume
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	516 that FLT_RADIX is a power of 2. */
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	517 while (mantissa > 0.0L)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	518 {
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	519 mantissa *= 16.0L;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	520 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	521 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	522 *p++ = digit
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	523 + (digit < 10
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	524 ? '0'
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	525 : dp->conversion - 10);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	526 if (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	527 precision--;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	528 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	529 while (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	530 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	531 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	532 precision--;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	533 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	534 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	535 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	536 *p++ = dp->conversion - 'A' + 'P';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	537 # if WIDE_CHAR_VERSION
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	538 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	539 static const wchar_t decimal_format[] =
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	540 { '%', '+', 'd', '\0' };
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	541 SNPRINTF (p, 6 + 1, decimal_format, exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	542 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	543 # else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	544 sprintf (p, "%+d", exponent);
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	545 # endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	546 while (*p != '\0')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	547 p++;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	548 }
8531 52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	549
52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	550 END_LONG_DOUBLE_ROUNDING ();
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	551 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	552 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	553 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	554 # endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	555 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	556 double arg = a.arg[dp->arg_index].a.a_double;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	557
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	558 if (isnan (arg))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	559 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	560 if (dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	561 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	562 p++ = 'N'; p++ = 'A'; *p++ = 'N';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	563 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	564 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	565 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	566 p++ = 'n'; p++ = 'a'; *p++ = 'n';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	567 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	568 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	569 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	570 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	571 int sign = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	572
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	573 if (arg < 0.0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	574 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	575 sign = -1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	576 arg = -arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	577 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	578 else if (arg == 0.0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	579 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	580 /* Distinguish 0.0 and -0.0. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	581 static double plus_zero = 0.0;
8529 5761935ad270 Correct bitwise comparison of 'long double' numbers. Bruno Haible <bruno@clisp.org> parents: 8526 diff changeset	582 double arg_mem = arg;
5761935ad270 Correct bitwise comparison of 'long double' numbers. Bruno Haible <bruno@clisp.org> parents: 8526 diff changeset	583 if (memcmp (&plus_zero, &arg_mem, SIZEOF_DBL) != 0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	584 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	585 sign = -1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	586 arg = -arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	587 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	588 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	589
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	590 if (sign < 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	591 *p++ = '-';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	592 else if (flags & FLAG_SHOWSIGN)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	593 *p++ = '+';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	594 else if (flags & FLAG_SPACE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	595 *p++ = ' ';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	596
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	597 if (arg > 0.0 && arg + arg == arg)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	598 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	599 if (dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	600 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	601 p++ = 'I'; p++ = 'N'; *p++ = 'F';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	602 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	603 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	604 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	605 p++ = 'i'; p++ = 'n'; *p++ = 'f';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	606 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	607 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	608 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	609 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	610 int exponent;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	611 double mantissa;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	612
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	613 if (arg > 0.0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	614 mantissa = printf_frexp (arg, &exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	615 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	616 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	617 exponent = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	618 mantissa = 0.0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	619 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	620
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	621 if (has_precision
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	622 && precision < (unsigned int) ((DBL_DIG + 1) * 0.831) + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	623 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	624 /* Round the mantissa. */
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	625 double tail = mantissa;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	626 size_t q;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	627
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	628 for (q = precision; ; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	629 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	630 int digit = (int) tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	631 tail -= digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	632 if (q == 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	633 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	634 if (digit & 1 ? tail >= 0.5 : tail > 0.5)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	635 tail = 1 - tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	636 else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	637 tail = - tail;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	638 break;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	639 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	640 tail *= 16.0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	641 }
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	642 if (tail != 0.0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	643 for (q = precision; q > 0; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	644 tail *= 0.0625;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	645 mantissa += tail;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	646 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	647
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	648 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	649 *p++ = dp->conversion - 'A' + 'X';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	650 pad_ptr = p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	651 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	652 int digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	653
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	654 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	655 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	656 *p++ = '0' + digit;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	657 if ((flags & FLAG_ALT)
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	658 \|\| mantissa > 0.0 \|\| precision > 0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	659 {
8400 655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	660 const char *point =
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	661 localeconv () -> decimal_point;
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	662 /* The decimal point is always a single byte:
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	663 either '.' or ','. */
655fca11a0e6 The decimal point must be locale dependent. Bruno Haible <bruno@clisp.org> parents: 8343 diff changeset	664 *p++ = (point[0] != '\0' ? point[0] : '.');
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	665 /* This loop terminates because we assume
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	666 that FLT_RADIX is a power of 2. */
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	667 while (mantissa > 0.0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	668 {
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	669 mantissa *= 16.0;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	670 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	671 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	672 *p++ = digit
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	673 + (digit < 10
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	674 ? '0'
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	675 : dp->conversion - 10);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	676 if (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	677 precision--;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	678 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	679 while (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	680 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	681 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	682 precision--;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	683 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	684 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	685 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	686 *p++ = dp->conversion - 'A' + 'P';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	687 # if WIDE_CHAR_VERSION
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	688 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	689 static const wchar_t decimal_format[] =
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	690 { '%', '+', 'd', '\0' };
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	691 SNPRINTF (p, 6 + 1, decimal_format, exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	692 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	693 # else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	694 sprintf (p, "%+d", exponent);
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	695 # endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	696 while (*p != '\0')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	697 p++;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	698 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	699 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	700 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	701 /* The generated string now extends from tmp to p, with the
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	702 zero padding insertion point being at pad_ptr. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	703 if (has_width && p - tmp < width)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	704 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	705 size_t pad = width - (p - tmp);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	706 CHAR_T *end = p + pad;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	707
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	708 if (flags & FLAG_LEFT)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	709 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	710 /* Pad with spaces on the right. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	711 for (; pad > 0; pad--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	712 *p++ = ' ';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	713 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	714 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	715 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	716 /* Pad with zeroes. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	717 CHAR_T *q = end;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	718
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	719 while (p > pad_ptr)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	720 --q = --p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	721 for (; pad > 0; pad--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	722 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	723 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	724 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	725 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	726 /* Pad with spaces on the left. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	727 CHAR_T *q = end;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	728
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	729 while (p > tmp)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	730 --q = --p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	731 for (; pad > 0; pad--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	732 *p++ = ' ';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	733 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	734
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	735 p = end;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	736 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	737
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	738 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	739 size_t count = p - tmp;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	740
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	741 if (count >= tmp_length)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	742 /* tmp_length was incorrectly calculated - fix the
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	743 code above! */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	744 abort ();
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	745
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	746 /* Make room for the result. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	747 if (count >= allocated - length)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	748 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	749 size_t n = xsum (length, count);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	750
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	751 ENSURE_ALLOCATION (n);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	752 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	753
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	754 /* Append the result. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	755 memcpy (result + length, tmp, count * sizeof (CHAR_T));
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	756 if (tmp != tmpbuf)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	757 free (tmp);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	758 length += count;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	759 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	760 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	761 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	762 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	763 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	764 arg_type type = a.arg[dp->arg_index].type;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	765 CHAR_T *p;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	766 unsigned int prefix_count;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	767 int prefixes[2];
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	768 #if !USE_SNPRINTF
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	769 size_t tmp_length;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	770 CHAR_T tmpbuf[700];
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	771 CHAR_T *tmp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	772
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	773 /* Allocate a temporary buffer of sufficient size for calling
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	774 sprintf. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	775 {
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	776 size_t width;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	777 size_t precision;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	778
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	779 width = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	780 if (dp->width_start != dp->width_end)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	781 {
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	782 if (dp->width_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	783 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	784 int arg;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	785
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	786 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	787 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	788 arg = a.arg[dp->width_arg_index].a.a_int;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	789 width = (arg < 0 ? (unsigned int) (-arg) : arg);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	790 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	791 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	792 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	793 const CHAR_T *digitp = dp->width_start;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	794
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	795 do
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	796 width = xsum (xtimes (width, 10), *digitp++ - '0');
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	797 while (digitp != dp->width_end);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	798 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	799 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	800
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	801 precision = 6;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	802 if (dp->precision_start != dp->precision_end)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	803 {
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	804 if (dp->precision_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	805 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	806 int arg;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	807
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	808 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	809 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	810 arg = a.arg[dp->precision_arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	811 precision = (arg < 0 ? 0 : arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	812 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	813 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	814 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	815 const CHAR_T *digitp = dp->precision_start + 1;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	816
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	817 precision = 0;
5066 a2cb70e482fc Fix for format strings like "%2.f". Bruno Haible <bruno@clisp.org> parents: 4886 diff changeset	818 while (digitp != dp->precision_end)
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	819 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	820 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	821 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	822
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	823 switch (dp->conversion)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	824 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	825
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	826 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	827 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	828 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	829 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	830 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	831 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	832 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	833 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	834 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	835 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	836 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	837 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	838 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	839 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	840 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	841 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	842 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	843 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	844 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	845 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	846 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	847 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	848 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	849 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	850 /* 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	851 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	852 /* 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	853 tmp_length = xsum (tmp_length, 1);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	854 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	855
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	856 case 'o':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	857 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	858 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	859 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	860 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	861 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	862 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	863 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	864 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	865 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	866 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	867 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	868 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	869 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	870 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	871 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	872 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	873 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	874 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	875 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	876 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	877 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	878 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	879 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	880 /* 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	881 tmp_length = xsum (tmp_length, 1);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	882 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	883
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	884 case 'x': case 'X':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	885 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	886 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	887 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	888 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	889 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	890 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	891 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	892 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	893 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	894 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	895 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	896 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	897 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	898 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	899 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	900 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	901 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	902 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	903 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	904 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	905 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	906 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	907 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	908 /* 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	909 tmp_length = xsum (tmp_length, 2);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	910 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	911
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	912 case 'f': case 'F':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	913 # if HAVE_LONG_DOUBLE
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	914 if (type == TYPE_LONGDOUBLE)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	915 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	916 (unsigned int) (LDBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	917 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	918 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	919 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	920 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	921 + 10; /* sign, decimal point etc. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	922 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	923 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	924 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	925 (unsigned int) (DBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	926 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	927 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	928 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	929 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	930 + 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	931 tmp_length = xsum (tmp_length, precision);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	932 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	933
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	934 case 'e': case 'E': case 'g': case 'G':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	935 tmp_length =
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	936 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	937 tmp_length = xsum (tmp_length, precision);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	938 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	939
8254 bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	940 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	941 # if HAVE_LONG_DOUBLE
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	942 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	943 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	944 (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	945 * 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	946 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	947 + 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	948 else
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	949 # endif
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	950 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	951 (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	952 * 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	953 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	954 + 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	955 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	956 tmp_length = precision;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	957 /* 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	958 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	959 break;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	960
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	961 case 'c':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	962 # if HAVE_WINT_T && !WIDE_CHAR_VERSION
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	963 if (type == TYPE_WIDE_CHAR)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	964 tmp_length = MB_CUR_MAX;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	965 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	966 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	967 tmp_length = 1;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	968 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	969
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	970 case 's':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	971 # if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	972 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	973 {
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	974 tmp_length =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	975 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	976
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	977 # if !WIDE_CHAR_VERSION
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	978 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	979 # endif
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	980 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	981 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	982 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	983 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	984 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	985
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	986 case 'p':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	987 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	988 (unsigned int) (sizeof (void ) CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	989 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	990 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	991 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	992 + 2; /* account for leading 0x */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	993 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	994
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	995 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	996 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	997 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	998
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	999 if (tmp_length < width)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1000 tmp_length = width;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1001
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1002 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	1003 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1004
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1005 if (tmp_length <= sizeof (tmpbuf) / sizeof (CHAR_T))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1006 tmp = tmpbuf;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1007 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1008 {
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1009 size_t tmp_memsize = xtimes (tmp_length, sizeof (CHAR_T));
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1010
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1011 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	1012 /* 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	1013 goto out_of_memory;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1014 tmp = (CHAR_T *) malloc (tmp_memsize);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1015 if (tmp == NULL)
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1016 /* Out of memory. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1017 goto out_of_memory;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1018 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1019 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1020
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1021 /* Construct the format string for calling snprintf or
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1022 sprintf. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1023 p = buf;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1024 *p++ = '%';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1025 if (dp->flags & FLAG_GROUP)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1026 *p++ = '\'';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1027 if (dp->flags & FLAG_LEFT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1028 *p++ = '-';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1029 if (dp->flags & FLAG_SHOWSIGN)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1030 *p++ = '+';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1031 if (dp->flags & FLAG_SPACE)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1032 *p++ = ' ';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1033 if (dp->flags & FLAG_ALT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1034 *p++ = '#';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1035 if (dp->flags & FLAG_ZERO)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1036 *p++ = '0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1037 if (dp->width_start != dp->width_end)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1038 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1039 size_t n = dp->width_end - dp->width_start;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1040 memcpy (p, dp->width_start, n * sizeof (CHAR_T));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1041 p += n;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1042 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1043 if (dp->precision_start != dp->precision_end)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1044 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1045 size_t n = dp->precision_end - dp->precision_start;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1046 memcpy (p, dp->precision_start, n * sizeof (CHAR_T));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1047 p += n;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1048 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1049
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1050 switch (type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1051 {
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1052 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1053 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1054 case TYPE_ULONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1055 *p++ = 'l';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1056 /FALLTHROUGH/
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1057 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1058 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1059 case TYPE_ULONGINT:
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1060 #if HAVE_WINT_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1061 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1062 #endif
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1063 #if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1064 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1065 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1066 *p++ = 'l';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1067 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1068 #if HAVE_LONG_DOUBLE
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1069 case TYPE_LONGDOUBLE:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1070 *p++ = 'L';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1071 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1072 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1073 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1074 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1075 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1076 *p = dp->conversion;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1077 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1078 p[1] = '%';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1079 p[2] = 'n';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1080 p[3] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1081 #else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1082 p[1] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1083 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1084
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1085 /* Construct the arguments for calling snprintf or sprintf. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1086 prefix_count = 0;
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	1087 if (dp->width_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1088 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1089 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1090 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1091 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	1092 }
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	1093 if (dp->precision_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1094 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1095 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1096 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1097 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	1098 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1099
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1100 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1101 /* Prepare checking whether snprintf returns the count
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1102 via %n. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1103 ENSURE_ALLOCATION (xsum (length, 1));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1104 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1105 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1106
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1107 for (;;)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1108 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1109 size_t maxlen;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1110 int count;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1111 int retcount;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1112
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1113 maxlen = allocated - length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1114 count = -1;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1115 retcount = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1116
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1117 #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	1118 /* SNPRINTF can fail if maxlen > INT_MAX. */
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1119 if (maxlen > INT_MAX)
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1120 goto overflow;
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	1121 # define SNPRINTF_BUF(arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1122 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1123 { \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1124 case 0: \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1125 retcount = SNPRINTF (result + length, maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1126 arg, &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1127 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1128 case 1: \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1129 retcount = SNPRINTF (result + length, maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1130 prefixes[0], arg, &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1131 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1132 case 2: \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1133 retcount = SNPRINTF (result + length, maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1134 prefixes[0], prefixes[1], arg, \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1135 &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1136 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1137 default: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1138 abort (); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1139 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1140 #else
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	1141 # define SNPRINTF_BUF(arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1142 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1143 { \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1144 case 0: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1145 count = sprintf (tmp, buf, arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1146 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1147 case 1: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1148 count = sprintf (tmp, buf, prefixes[0], arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1149 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1150 case 2: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1151 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1152 arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1153 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1154 default: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1155 abort (); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1156 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1157 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1158
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1159 switch (type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1160 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1161 case TYPE_SCHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1162 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1163 int arg = a.arg[dp->arg_index].a.a_schar;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1164 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1165 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1166 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1167 case TYPE_UCHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1168 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1169 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	1170 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1171 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1172 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1173 case TYPE_SHORT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1174 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1175 int arg = a.arg[dp->arg_index].a.a_short;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1176 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1177 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1178 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1179 case TYPE_USHORT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1180 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1181 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	1182 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1183 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1184 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1185 case TYPE_INT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1186 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1187 int arg = a.arg[dp->arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1188 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1189 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1190 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1191 case TYPE_UINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1192 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1193 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	1194 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1195 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1196 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1197 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1198 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1199 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	1200 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1201 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1202 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1203 case TYPE_ULONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1204 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1205 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	1206 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1207 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1208 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1209 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1210 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1211 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1212 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	1213 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1214 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1215 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1216 case TYPE_ULONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1217 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1218 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	1219 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1220 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1221 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1222 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1223 case TYPE_DOUBLE:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1224 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1225 double arg = a.arg[dp->arg_index].a.a_double;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1226 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1227 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1228 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1229 #if HAVE_LONG_DOUBLE
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1230 case TYPE_LONGDOUBLE:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1231 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1232 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	1233 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1234 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1235 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1236 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1237 case TYPE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1238 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1239 int arg = a.arg[dp->arg_index].a.a_char;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1240 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1241 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1242 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1243 #if HAVE_WINT_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1244 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1245 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1246 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	1247 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1248 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1249 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1250 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1251 case TYPE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1252 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1253 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	1254 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1255 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1256 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1257 #if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1258 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1259 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1260 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	1261 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1262 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1263 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1264 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1265 case TYPE_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1266 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1267 void *arg = a.arg[dp->arg_index].a.a_pointer;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1268 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1269 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1270 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1271 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1272 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1273 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1274
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1275 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1276 /* Portability: Not all implementations of snprintf()
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1277 are ISO C 99 compliant. Determine the number of
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1278 bytes that snprintf() has produced or would have
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1279 produced. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1280 if (count >= 0)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1281 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1282 /* Verify that snprintf() has NUL-terminated its
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1283 result. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1284 if (count < maxlen && result[length + count] != '\0')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1285 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1286 /* Portability hack. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1287 if (retcount > count)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1288 count = retcount;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1289 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1290 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1291 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1292 /* snprintf() doesn't understand the '%n'
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1293 directive. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1294 if (p[1] != '\0')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1295 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1296 /* Don't use the '%n' directive; instead, look
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1297 at the snprintf() return value. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1298 p[1] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1299 continue;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1300 }
4801 83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1301 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1302 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1303 /* 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	1304 if (retcount < 0)
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1305 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1306 /* 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	1307 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	1308 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	1309 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	1310 buffer is too small. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1311 size_t bigger_need =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1312 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	1313 ENSURE_ALLOCATION (bigger_need);
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1314 continue;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1315 }
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1316 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1317 count = retcount;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1318 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1319 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1320 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1321
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1322 /* Attempt to handle failure. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1323 if (count < 0)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1324 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1325 if (!(result == resultbuf \|\| result == NULL))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1326 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1327 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1328 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1329 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1330 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1331 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1332 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1333
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1334 #if !USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1335 if (count >= tmp_length)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1336 /* tmp_length was incorrectly calculated - fix the
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1337 code above! */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1338 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1339 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1340
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1341 /* Make room for the result. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1342 if (count >= maxlen)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1343 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1344 /* Need at least count bytes. But allocate
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1345 proportionally, to avoid looping eternally if
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1346 snprintf() reports a too small count. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1347 size_t n =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1348 xmax (xsum (length, count), xtimes (allocated, 2));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1349
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1350 ENSURE_ALLOCATION (n);
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1351 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1352 continue;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1353 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1354 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1355
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1356 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1357 /* The snprintf() result did fit. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1358 #else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1359 /* Append the sprintf() result. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1360 memcpy (result + length, tmp, count * sizeof (CHAR_T));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1361 if (tmp != tmpbuf)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1362 free (tmp);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1363 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1364
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1365 length += count;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1366 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1367 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1368 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1369 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1370 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1371
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1372 /* Add the final NUL. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1373 ENSURE_ALLOCATION (xsum (length, 1));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1374 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1375
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1376 if (result != resultbuf && length + 1 < allocated)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1377 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1378 /* Shrink the allocated memory if possible. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1379 CHAR_T *memory;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1380
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1381 memory = (CHAR_T ) realloc (result, (length + 1) sizeof (CHAR_T));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1382 if (memory != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1383 result = memory;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1384 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1385
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1386 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1387 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1388 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1389 *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	1390 /* 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	1391 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	1392 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	1393 not have this limitation. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1394 return result;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1395
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1396 overflow:
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1397 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	1398 free (result);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1399 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	1400 free (buf_malloced);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1401 CLEANUP ();
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1402 errno = EOVERFLOW;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1403 return NULL;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1404
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1405 out_of_memory:
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1406 if (!(result == resultbuf \|\| result == NULL))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1407 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1408 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1409 free (buf_malloced);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1410 out_of_memory_1:
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1411 CLEANUP ();
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1412 errno = ENOMEM;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1413 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1414 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1415 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1416
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1417 #undef SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1418 #undef USE_SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1419 #undef PRINTF_PARSE
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1420 #undef DIRECTIVES
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1421 #undef DIRECTIVE
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1422 #undef CHAR_T
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1423 #undef VASNPRINTF

Mercurial > hg > octave-nkf > gnulib-hg

annotate lib/vasnprintf.c @ 8531:52719799a90e