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

annotate lib/vasnprintf.c @ 8831:d3f907c33d15

Work around broken snprintf function on BeOS.

author	Bruno Haible <bruno@clisp.org>
date	Fri, 18 May 2007 17:45:52 +0000
parents	abc2bcb16721
children	1466c973f476

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 */
8554 35eb5062216c Prefer nl_langinfo over localeconv. Bruno Haible <bruno@clisp.org> parents: 8531 diff changeset	44 #if HAVE_NL_LANGINFO
35eb5062216c Prefer nl_langinfo over localeconv. Bruno Haible <bruno@clisp.org> parents: 8531 diff changeset	45 # include <langinfo.h>
35eb5062216c Prefer nl_langinfo over localeconv. Bruno Haible <bruno@clisp.org> parents: 8531 diff changeset	46 #endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	47 #if WIDE_CHAR_VERSION
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	48 # include "wprintf-parse.h"
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	49 #else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	50 # include "printf-parse.h"
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	51 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	52
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	53 /* Checked size_t computations. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	54 #include "xsize.h"
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	55
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	56 #if NEED_PRINTF_DIRECTIVE_A && !defined IN_LIBINTL
8655 9a272158fe43 Faster determination of the sign of a number. Bruno Haible <bruno@clisp.org> parents: 8648 diff changeset	57 # include <math.h>
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	58 # include "isnan.h"
8526 67e9a647f2fa Fix includes. Bruno Haible <bruno@clisp.org> parents: 8487 diff changeset	59 # include "printf-frexp.h"
8648 359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	60 # include "isnanl-nolibm.h"
359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	61 # include "printf-frexpl.h"
359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	62 # include "fpucw.h"
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	63 #endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	64
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	65 /* 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	66 #ifndef EOVERFLOW
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	67 # define EOVERFLOW E2BIG
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	68 #endif
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	69
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	70 #if HAVE_WCHAR_T
9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	71 # 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	72 # 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	73 # else
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	74 /* 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	75 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	76 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	77 twice in the same compilation unit. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	78 # ifndef local_wcslen_defined
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	79 # 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	80 static size_t
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	81 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	82 {
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	83 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	84
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	85 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	86 ;
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	87 return ptr - s;
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	88 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	89 # endif
4523 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 #endif
6cc4874a100b Work around the lack of wcslen() on Solaris 2.5.1. Bruno Haible <bruno@clisp.org> parents: 4444 diff changeset	92
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	93 #if WIDE_CHAR_VERSION
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	94 # define VASNPRINTF vasnwprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	95 # define CHAR_T wchar_t
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	96 # define DIRECTIVE wchar_t_directive
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	97 # define DIRECTIVES wchar_t_directives
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	98 # define PRINTF_PARSE wprintf_parse
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	99 # define USE_SNPRINTF 1
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	100 # if HAVE_DECL__SNWPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	101 /* 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	102 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	103 # define SNPRINTF _snwprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	104 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	105 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	106 # define SNPRINTF swprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	107 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	108 #else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	109 # define VASNPRINTF vasnprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	110 # define CHAR_T char
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	111 # define DIRECTIVE char_directive
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	112 # define DIRECTIVES char_directives
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	113 # define PRINTF_PARSE printf_parse
8831 d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	114 # /* Use snprintf if it exists under the name 'snprintf' or '_snprintf'.
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	115 But don't use it on BeOS, since BeOS snprintf produces no output if the
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	116 size argument is >= 0x3000000. */
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	117 # if (HAVE_DECL__SNPRINTF \|\| HAVE_SNPRINTF) && !defined __BEOS__
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	118 # define USE_SNPRINTF 1
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	119 # else
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	120 # define USE_SNPRINTF 0
d3f907c33d15 Work around broken snprintf function on BeOS. Bruno Haible <bruno@clisp.org> parents: 8830 diff changeset	121 # endif
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	122 # if HAVE_DECL__SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	123 /* Windows. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	124 # define SNPRINTF _snprintf
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	125 # else
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	126 /* Unix. */
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	127 # define SNPRINTF snprintf
8417 ee40afd85f2c Avoid an endless recursion. Bruno Haible <bruno@clisp.org> parents: 8400 diff changeset	128 /* 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	129 # undef snprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	130 # endif
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	131 #endif
8424 ec3450ce9889 Use the system's sprintf function. Bruno Haible <bruno@clisp.org> parents: 8417 diff changeset	132 /* 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	133 #undef sprintf
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	134
8569 378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	135 #if NEED_PRINTF_DIRECTIVE_A && !defined IN_LIBINTL
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	136 /* Determine the decimal-point character according to the current locale. */
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	137 # ifndef decimal_point_char_defined
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	138 # define decimal_point_char_defined 1
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	139 static char
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	140 decimal_point_char ()
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	141 {
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	142 const char *point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	143 /* Determine it in a multithread-safe way. We know nl_langinfo is
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	144 multithread-safe on glibc systems, but is not required to be multithread-
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	145 safe by POSIX. sprintf(), however, is multithread-safe. localeconv()
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	146 is rarely multithread-safe. */
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	147 # if HAVE_NL_LANGINFO && __GLIBC__
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	148 point = nl_langinfo (RADIXCHAR);
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	149 # elif 1
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	150 char pointbuf[5];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	151 sprintf (pointbuf, "%#.0f", 1.0);
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	152 point = &pointbuf[1];
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	153 # else
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	154 point = localeconv () -> decimal_point;
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	155 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	156 /* The decimal point is always a single byte: either '.' or ','. */
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	157 return (point[0] != '\0' ? point[0] : '.');
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	158 }
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	159 # endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	160 #endif
378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	161
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	162 CHAR_T *
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	163 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	164 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	165 DIRECTIVES d;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	166 arguments a;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	167
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	168 if (PRINTF_PARSE (format, &d, &a) < 0)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	169 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	170 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	171 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	172 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	173
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	174 #define CLEANUP() \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	175 free (d.dir); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	176 if (a.arg) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	177 free (a.arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	178
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	179 if (printf_fetchargs (args, &a) < 0)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	180 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	181 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	182 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	183 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	184 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	185
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	186 {
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	187 size_t buf_neededlength;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	188 CHAR_T *buf;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	189 CHAR_T *buf_malloced;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	190 const CHAR_T *cp;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	191 size_t i;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	192 DIRECTIVE *dp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	193 /* Output string accumulator. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	194 CHAR_T *result;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	195 size_t allocated;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	196 size_t length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	197
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	198 /* 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	199 sprintf or snprintf. */
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	200 buf_neededlength =
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	201 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	202 #if HAVE_ALLOCA
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	203 if (buf_neededlength < 4000 / sizeof (CHAR_T))
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	204 {
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	205 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	206 buf_malloced = NULL;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	207 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	208 else
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	209 #endif
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	210 {
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	211 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	212 if (size_overflow_p (buf_memsize))
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	213 goto out_of_memory_1;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	214 buf = (CHAR_T *) malloc (buf_memsize);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	215 if (buf == NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	216 goto out_of_memory_1;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	217 buf_malloced = buf;
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	218 }
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	219
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	220 if (resultbuf != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	221 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	222 result = resultbuf;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	223 allocated = *lengthp;
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 else
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 result = NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	228 allocated = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	229 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	230 length = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	231 /* Invariants:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	232 result is either == resultbuf or == NULL or malloc-allocated.
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	233 If length > 0, then result != NULL. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	234
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	235 /* 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	236 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	237 #define ENSURE_ALLOCATION(needed) \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	238 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	239 { \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	240 size_t memory_size; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	241 CHAR_T *memory; \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	242 \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	243 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	244 if ((needed) > allocated) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	245 allocated = (needed); \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	246 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	247 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	248 goto out_of_memory; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	249 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	250 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	251 else \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	252 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	253 if (memory == NULL) \
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	254 goto out_of_memory; \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	255 if (result == resultbuf && length > 0) \
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	256 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	257 result = memory; \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	258 }
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 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	261 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	262 if (cp != dp->dir_start)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	263 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	264 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	265 size_t augmented_length = xsum (length, n);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	266
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	267 ENSURE_ALLOCATION (augmented_length);
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	268 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	269 length = augmented_length;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	270 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	271 if (i == d.count)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	272 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	273
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	274 /* Execute a single directive. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	275 if (dp->conversion == '%')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	276 {
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	277 size_t augmented_length;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	278
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	279 if (!(dp->arg_index == ARG_NONE))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	280 abort ();
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	281 augmented_length = xsum (length, 1);
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	282 ENSURE_ALLOCATION (augmented_length);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	283 result[length] = '%';
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	284 length = augmented_length;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	285 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	286 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	287 {
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	288 if (!(dp->arg_index != ARG_NONE))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	289 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	290
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	291 if (dp->conversion == 'n')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	292 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	293 switch (a.arg[dp->arg_index].type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	294 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	295 case TYPE_COUNT_SCHAR_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	296 *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	297 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	298 case TYPE_COUNT_SHORT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	299 *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	300 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	301 case TYPE_COUNT_INT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	302 *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	303 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	304 case TYPE_COUNT_LONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	305 *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	306 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	307 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	308 case TYPE_COUNT_LONGLONGINT_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	309 *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	310 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	311 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	312 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	313 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	314 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	315 }
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	316 #if NEED_PRINTF_DIRECTIVE_A && !defined IN_LIBINTL
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	317 else if (dp->conversion == 'a' \|\| dp->conversion == 'A')
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 arg_type type = a.arg[dp->arg_index].type;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	320 int flags = dp->flags;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	321 int has_width;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	322 size_t width;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	323 int has_precision;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	324 size_t precision;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	325 size_t tmp_length;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	326 CHAR_T tmpbuf[700];
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	327 CHAR_T *tmp;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	328 CHAR_T *pad_ptr;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	329 CHAR_T *p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	330
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	331 has_width = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	332 width = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	333 if (dp->width_start != dp->width_end)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	334 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	335 if (dp->width_arg_index != ARG_NONE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	336 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	337 int arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	338
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	339 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	340 abort ();
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	341 arg = a.arg[dp->width_arg_index].a.a_int;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	342 if (arg < 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	343 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	344 /* "A negative field width is taken as a '-' flag
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	345 followed by a positive field width." */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	346 flags \|= FLAG_LEFT;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	347 width = (unsigned int) (-arg);
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 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	350 width = arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	351 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	352 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	353 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	354 const CHAR_T *digitp = dp->width_start;
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 do
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	357 width = xsum (xtimes (width, 10), *digitp++ - '0');
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	358 while (digitp != dp->width_end);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	359 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	360 has_width = 1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	361 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	362
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	363 has_precision = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	364 precision = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	365 if (dp->precision_start != dp->precision_end)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	366 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	367 if (dp->precision_arg_index != ARG_NONE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	368 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	369 int arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	370
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	371 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	372 abort ();
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	373 arg = a.arg[dp->precision_arg_index].a.a_int;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	374 /* "A negative precision is taken as if the precision
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	375 were omitted." */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	376 if (arg >= 0)
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 precision = arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	379 has_precision = 1;
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 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	382 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	383 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	384 const CHAR_T *digitp = dp->precision_start + 1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	385
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	386 precision = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	387 while (digitp != dp->precision_end)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	388 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	389 has_precision = 1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	390 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	391 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	392
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	393 /* Allocate a temporary buffer of sufficient size. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	394 if (type == TYPE_LONGDOUBLE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	395 tmp_length =
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	396 (unsigned int) ((LDBL_DIG + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	397 * 0.831 /* decimal -> hexadecimal */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	398 )
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	399 + 1; /* turn floor into ceil */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	400 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	401 tmp_length =
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	402 (unsigned int) ((DBL_DIG + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	403 * 0.831 /* decimal -> hexadecimal */
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 + 1; /* turn floor into ceil */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	406 if (tmp_length < precision)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	407 tmp_length = precision;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	408 /* Account for sign, decimal point etc. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	409 tmp_length = xsum (tmp_length, 12);
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 if (tmp_length < width)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	412 tmp_length = width;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	413
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	414 tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
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 if (tmp_length <= sizeof (tmpbuf) / sizeof (CHAR_T))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	417 tmp = tmpbuf;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	418 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	419 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	420 size_t tmp_memsize = xtimes (tmp_length, sizeof (CHAR_T));
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	421
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	422 if (size_overflow_p (tmp_memsize))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	423 /* Overflow, would lead to out of memory. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	424 goto out_of_memory;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	425 tmp = (CHAR_T *) malloc (tmp_memsize);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	426 if (tmp == NULL)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	427 /* Out of memory. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	428 goto out_of_memory;
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
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	431 pad_ptr = NULL;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	432 p = tmp;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	433 if (type == TYPE_LONGDOUBLE)
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 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	436
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	437 if (isnanl (arg))
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 if (dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	440 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	441 p++ = 'N'; p++ = 'A'; *p++ = 'N';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	442 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	443 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	444 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	445 p++ = 'n'; p++ = 'a'; *p++ = 'n';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	446 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	447 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	448 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	449 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	450 int sign = 0;
8531 52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	451 DECL_LONG_DOUBLE_ROUNDING
52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	452
52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	453 BEGIN_LONG_DOUBLE_ROUNDING ();
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	454
8655 9a272158fe43 Faster determination of the sign of a number. Bruno Haible <bruno@clisp.org> parents: 8648 diff changeset	455 if (signbit (arg)) /* arg < 0.0L or negative zero */
8335 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 sign = -1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	458 arg = -arg;
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
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	461 if (sign < 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	462 *p++ = '-';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	463 else if (flags & FLAG_SHOWSIGN)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	464 *p++ = '+';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	465 else if (flags & FLAG_SPACE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	466 *p++ = ' ';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	467
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	468 if (arg > 0.0L && arg + arg == arg)
8335 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 if (dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	471 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	472 p++ = 'I'; p++ = 'N'; *p++ = 'F';
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 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	475 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	476 p++ = 'i'; p++ = 'n'; *p++ = 'f';
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 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	479 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	480 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	481 int exponent;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	482 long double mantissa;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	483
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	484 if (arg > 0.0L)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	485 mantissa = printf_frexpl (arg, &exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	486 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	487 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	488 exponent = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	489 mantissa = 0.0L;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	490 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	491
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	492 if (has_precision
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	493 && precision < (unsigned int) ((LDBL_DIG + 1) * 0.831) + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	494 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	495 /* Round the mantissa. */
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	496 long double tail = mantissa;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	497 size_t q;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	498
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	499 for (q = precision; ; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	500 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	501 int digit = (int) tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	502 tail -= digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	503 if (q == 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	504 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	505 if (digit & 1 ? tail >= 0.5L : tail > 0.5L)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	506 tail = 1 - tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	507 else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	508 tail = - tail;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	509 break;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	510 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	511 tail *= 16.0L;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	512 }
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	513 if (tail != 0.0L)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	514 for (q = precision; q > 0; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	515 tail *= 0.0625L;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	516 mantissa += tail;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	517 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	518
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	519 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	520 *p++ = dp->conversion - 'A' + 'X';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	521 pad_ptr = p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	522 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	523 int digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	524
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	525 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	526 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	527 *p++ = '0' + digit;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	528 if ((flags & FLAG_ALT)
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	529 \|\| mantissa > 0.0L \|\| precision > 0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	530 {
8569 378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	531 *p++ = decimal_point_char ();
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	532 /* This loop terminates because we assume
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	533 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	534 while (mantissa > 0.0L)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	535 {
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	536 mantissa *= 16.0L;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	537 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	538 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	539 *p++ = digit
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	540 + (digit < 10
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	541 ? '0'
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	542 : dp->conversion - 10);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	543 if (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	544 precision--;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	545 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	546 while (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	547 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	548 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	549 precision--;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	550 }
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 *p++ = dp->conversion - 'A' + 'P';
8648 359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	554 # if WIDE_CHAR_VERSION
8335 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 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	557 { '%', '+', 'd', '\0' };
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	558 SNPRINTF (p, 6 + 1, decimal_format, exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	559 }
8648 359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	560 # else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	561 sprintf (p, "%+d", exponent);
8648 359d135f748c Assume 'long double' exists. Bruno Haible <bruno@clisp.org> parents: 8569 diff changeset	562 # endif
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	563 while (*p != '\0')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	564 p++;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	565 }
8531 52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	566
52719799a90e New module 'fpucw'. Bruno Haible <bruno@clisp.org> parents: 8529 diff changeset	567 END_LONG_DOUBLE_ROUNDING ();
8335 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 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	570 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	571 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	572 double arg = a.arg[dp->arg_index].a.a_double;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	573
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	574 if (isnan (arg))
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	575 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	576 if (dp->conversion == 'A')
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 p++ = 'N'; p++ = 'A'; *p++ = 'N';
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 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	581 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	582 p++ = 'n'; p++ = 'a'; *p++ = 'n';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	583 }
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 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	586 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	587 int sign = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	588
8655 9a272158fe43 Faster determination of the sign of a number. Bruno Haible <bruno@clisp.org> parents: 8648 diff changeset	589 if (signbit (arg)) /* arg < 0.0 or negative zero */
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	590 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	591 sign = -1;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	592 arg = -arg;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	593 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	594
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	595 if (sign < 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	596 *p++ = '-';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	597 else if (flags & FLAG_SHOWSIGN)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	598 *p++ = '+';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	599 else if (flags & FLAG_SPACE)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	600 *p++ = ' ';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	601
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	602 if (arg > 0.0 && arg + arg == arg)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	603 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	604 if (dp->conversion == 'A')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	605 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	606 p++ = 'I'; p++ = 'N'; *p++ = 'F';
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 p++ = 'i'; p++ = 'n'; *p++ = 'f';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	611 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	612 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	613 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	614 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	615 int exponent;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	616 double mantissa;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	617
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	618 if (arg > 0.0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	619 mantissa = printf_frexp (arg, &exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	620 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	621 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	622 exponent = 0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	623 mantissa = 0.0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	624 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	625
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	626 if (has_precision
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	627 && precision < (unsigned int) ((DBL_DIG + 1) * 0.831) + 1)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	628 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	629 /* Round the mantissa. */
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	630 double tail = mantissa;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	631 size_t q;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	632
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	633 for (q = precision; ; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	634 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	635 int digit = (int) tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	636 tail -= digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	637 if (q == 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	638 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	639 if (digit & 1 ? tail >= 0.5 : tail > 0.5)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	640 tail = 1 - tail;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	641 else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	642 tail = - tail;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	643 break;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	644 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	645 tail *= 16.0;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	646 }
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	647 if (tail != 0.0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	648 for (q = precision; q > 0; q--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	649 tail *= 0.0625;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	650 mantissa += tail;
8335 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
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	653 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	654 *p++ = dp->conversion - 'A' + 'X';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	655 pad_ptr = p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	656 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	657 int digit;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	658
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	659 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	660 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	661 *p++ = '0' + digit;
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	662 if ((flags & FLAG_ALT)
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	663 \|\| mantissa > 0.0 \|\| precision > 0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	664 {
8569 378e85482afa Use multithread-safe primitives for determining the decimal point character. Bruno Haible <bruno@clisp.org> parents: 8554 diff changeset	665 *p++ = decimal_point_char ();
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	666 /* This loop terminates because we assume
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	667 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	668 while (mantissa > 0.0)
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	669 {
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	670 mantissa *= 16.0;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	671 digit = (int) mantissa;
19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	672 mantissa -= digit;
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	673 *p++ = digit
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	674 + (digit < 10
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	675 ? '0'
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	676 : dp->conversion - 10);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	677 if (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	678 precision--;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	679 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	680 while (precision > 0)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	681 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	682 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	683 precision--;
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 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	687 *p++ = dp->conversion - 'A' + 'P';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	688 # if WIDE_CHAR_VERSION
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	689 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	690 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	691 { '%', '+', 'd', '\0' };
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	692 SNPRINTF (p, 6 + 1, decimal_format, exponent);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	693 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	694 # else
8343 19a934efd02c Oops, fix a couple of bugs in last commit. Bruno Haible <bruno@clisp.org> parents: 8335 diff changeset	695 sprintf (p, "%+d", exponent);
8335 2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	696 # endif
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	697 while (*p != '\0')
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	698 p++;
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 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	702 /* 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	703 zero padding insertion point being at pad_ptr. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	704 if (has_width && p - tmp < width)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	705 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	706 size_t pad = width - (p - tmp);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	707 CHAR_T *end = p + pad;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	708
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	709 if (flags & FLAG_LEFT)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	710 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	711 /* Pad with spaces on the right. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	712 for (; pad > 0; pad--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	713 *p++ = ' ';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	714 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	715 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	716 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	717 /* Pad with zeroes. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	718 CHAR_T *q = end;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	719
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	720 while (p > pad_ptr)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	721 --q = --p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	722 for (; pad > 0; pad--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	723 *p++ = '0';
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	724 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	725 else
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	726 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	727 /* Pad with spaces on the left. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	728 CHAR_T *q = end;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	729
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	730 while (p > tmp)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	731 --q = --p;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	732 for (; pad > 0; pad--)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	733 *p++ = ' ';
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
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	736 p = end;
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 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	740 size_t count = p - tmp;
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	741
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	742 if (count >= tmp_length)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	743 /* tmp_length was incorrectly calculated - fix the
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	744 code above! */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	745 abort ();
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	746
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	747 /* Make room for the result. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	748 if (count >= allocated - length)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	749 {
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	750 size_t n = xsum (length, count);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	751
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	752 ENSURE_ALLOCATION (n);
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
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	755 /* Append the result. */
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	756 memcpy (result + length, tmp, count * sizeof (CHAR_T));
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	757 if (tmp != tmpbuf)
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	758 free (tmp);
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	759 length += count;
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 }
2c9de3b6ba5b New module 'vasnprintf-posix'. Bruno Haible <bruno@clisp.org> parents: 8254 diff changeset	762 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	763 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	764 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	765 arg_type type = a.arg[dp->arg_index].type;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	766 int flags = dp->flags;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	767 #if !USE_SNPRINTF \|\| NEED_PRINTF_FLAG_ZERO
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	768 int has_width;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	769 size_t width;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	770 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	771 #if NEED_PRINTF_FLAG_ZERO
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	772 int pad_ourselves;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	773 #else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	774 # define pad_ourselves 0
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	775 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	776 CHAR_T *fbp;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	777 unsigned int prefix_count;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	778 int prefixes[2];
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	779 #if !USE_SNPRINTF
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	780 size_t tmp_length;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	781 CHAR_T tmpbuf[700];
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	782 CHAR_T *tmp;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	783 #endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	784
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	785 #if !USE_SNPRINTF \|\| NEED_PRINTF_FLAG_ZERO
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	786 has_width = 0;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	787 width = 0;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	788 if (dp->width_start != dp->width_end)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	789 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	790 if (dp->width_arg_index != ARG_NONE)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	791 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	792 int arg;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	793
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	794 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	795 abort ();
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	796 arg = a.arg[dp->width_arg_index].a.a_int;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	797 if (arg < 0)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	798 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	799 /* "A negative field width is taken as a '-' flag
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	800 followed by a positive field width." */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	801 flags \|= FLAG_LEFT;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	802 width = (unsigned int) (-arg);
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	803 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	804 else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	805 width = arg;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	806 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	807 else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	808 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	809 const CHAR_T *digitp = dp->width_start;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	810
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	811 do
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	812 width = xsum (xtimes (width, 10), *digitp++ - '0');
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	813 while (digitp != dp->width_end);
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	814 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	815 has_width = 1;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	816 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	817 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	818
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	819 #if !USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	820 /* Allocate a temporary buffer of sufficient size for calling
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	821 sprintf. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	822 {
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	823 size_t precision;
4224 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 precision = 6;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	826 if (dp->precision_start != dp->precision_end)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	827 {
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	828 if (dp->precision_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	829 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	830 int arg;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	831
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	832 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	833 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	834 arg = a.arg[dp->precision_arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	835 precision = (arg < 0 ? 0 : arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	836 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	837 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	838 {
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	839 const CHAR_T *digitp = dp->precision_start + 1;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	840
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	841 precision = 0;
5066 a2cb70e482fc Fix for format strings like "%2.f". Bruno Haible <bruno@clisp.org> parents: 4886 diff changeset	842 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	843 precision = xsum (xtimes (precision, 10), *digitp++ - '0');
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	844 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	845 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	846
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	847 switch (dp->conversion)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	848 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	849
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	850 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	851 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	852 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	853 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	854 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	855 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	856 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	857 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	858 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	859 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	860 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	861 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	862 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	863 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	864 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	865 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	866 else
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 int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	869 * 0.30103 /* binary -> decimal */
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 */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	872 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	873 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	874 /* 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	875 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	876 /* 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	877 tmp_length = xsum (tmp_length, 1);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	878 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	879
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	880 case 'o':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	881 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	882 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	883 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	884 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	885 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	886 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	887 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	888 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	889 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	890 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	891 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	892 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	893 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	894 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	895 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	896 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	897 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	898 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	899 * 0.333334 /* binary -> octal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	900 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	901 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	902 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	903 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	904 /* 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	905 tmp_length = xsum (tmp_length, 1);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	906 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	907
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	908 case 'x': case 'X':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	909 # if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	910 if (type == TYPE_LONGLONGINT \|\| type == TYPE_ULONGLONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	911 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	912 (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	913 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	914 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	915 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	916 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	917 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	918 if (type == TYPE_LONGINT \|\| type == TYPE_ULONGINT)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	919 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	920 (unsigned int) (sizeof (unsigned long) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	921 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	922 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	923 + 1; /* turn floor into ceil */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	924 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	925 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	926 (unsigned int) (sizeof (unsigned int) * CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	927 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	928 )
6583 eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	929 + 1; /* turn floor into ceil */
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	930 if (tmp_length < precision)
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	931 tmp_length = precision;
eb8d54cb67a4 Fix an incorrect estimation of the sprintf result size. Bruno Haible <bruno@clisp.org> parents: 5848 diff changeset	932 /* 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	933 tmp_length = xsum (tmp_length, 2);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	934 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	935
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	936 case 'f': case 'F':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	937 if (type == TYPE_LONGDOUBLE)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	938 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	939 (unsigned int) (LDBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	940 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	941 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	942 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	943 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	944 + 10; /* sign, decimal point etc. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	945 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	946 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	947 (unsigned int) (DBL_MAX_EXP
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	948 * 0.30103 /* binary -> decimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	949 * 2 /* estimate for FLAG_GROUP */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	950 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	951 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	952 + 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	953 tmp_length = xsum (tmp_length, precision);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	954 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	955
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	956 case 'e': case 'E': case 'g': case 'G':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	957 tmp_length =
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	958 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	959 tmp_length = xsum (tmp_length, precision);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	960 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	961
8254 bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	962 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	963 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	964 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	965 (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	966 * 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	967 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	968 + 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	969 else
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	970 tmp_length =
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	971 (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	972 * 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	973 )
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	974 + 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	975 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	976 tmp_length = precision;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	977 /* 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	978 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	979 break;
bbea39ab5a58 Fix estimate of size needed for a 'a' or 'A' conversion. Bruno Haible <bruno@clisp.org> parents: 8051 diff changeset	980
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	981 case 'c':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	982 # if HAVE_WINT_T && !WIDE_CHAR_VERSION
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	983 if (type == TYPE_WIDE_CHAR)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	984 tmp_length = MB_CUR_MAX;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	985 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	986 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	987 tmp_length = 1;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	988 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	989
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	990 case 's':
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	991 # if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	992 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	993 {
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	994 tmp_length =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	995 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	996
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	997 # if !WIDE_CHAR_VERSION
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	998 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	999 # endif
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1000 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1001 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1002 # endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1003 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	1004 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1005
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1006 case 'p':
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1007 tmp_length =
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1008 (unsigned int) (sizeof (void ) CHAR_BIT
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1009 * 0.25 /* binary -> hexadecimal */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1010 )
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1011 + 1 /* turn floor into ceil */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1012 + 2; /* account for leading 0x */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1013 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1014
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1015 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1016 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1017 }
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 if (tmp_length < width)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1020 tmp_length = width;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1021
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1022 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	1023 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1024
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1025 if (tmp_length <= sizeof (tmpbuf) / sizeof (CHAR_T))
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1026 tmp = tmpbuf;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1027 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1028 {
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1029 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	1030
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1031 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	1032 /* 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	1033 goto out_of_memory;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1034 tmp = (CHAR_T *) malloc (tmp_memsize);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1035 if (tmp == NULL)
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1036 /* Out of memory. */
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1037 goto out_of_memory;
4224 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 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1040
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1041 /* Decide whether to perform the padding ourselves. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1042 #if NEED_PRINTF_FLAG_ZERO
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1043 switch (dp->conversion)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1044 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1045 case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1046 case 'a': case 'A':
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1047 pad_ourselves = 1;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1048 break;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1049 default:
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1050 pad_ourselves = 0;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1051 break;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1052 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1053 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1054
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1055 /* Construct the format string for calling snprintf or
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1056 sprintf. */
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1057 fbp = buf;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1058 *fbp++ = '%';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	1059 #if NEED_PRINTF_FLAG_GROUPING
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	1060 /* The underlying implementation doesn't support the ' flag.
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	1061 Produce no grouping characters in this case; this is
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	1062 acceptable because the grouping is locale dependent. */
6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	1063 #else
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1064 if (flags & FLAG_GROUP)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1065 *fbp++ = '\'';
8803 6c1d98929550 Work around lack of support of grouping flag. Bruno Haible <bruno@clisp.org> parents: 8664 diff changeset	1066 #endif
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1067 if (flags & FLAG_LEFT)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1068 *fbp++ = '-';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1069 if (flags & FLAG_SHOWSIGN)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1070 *fbp++ = '+';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1071 if (flags & FLAG_SPACE)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1072 *fbp++ = ' ';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1073 if (flags & FLAG_ALT)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1074 *fbp++ = '#';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1075 if (!pad_ourselves)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1076 {
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1077 if (flags & FLAG_ZERO)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1078 *fbp++ = '0';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1079 if (dp->width_start != dp->width_end)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1080 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1081 size_t n = dp->width_end - dp->width_start;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1082 memcpy (fbp, dp->width_start, n * sizeof (CHAR_T));
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1083 fbp += n;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1084 }
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1085 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1086 if (dp->precision_start != dp->precision_end)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1087 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1088 size_t n = dp->precision_end - dp->precision_start;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1089 memcpy (fbp, dp->precision_start, n * sizeof (CHAR_T));
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1090 fbp += n;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1091 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1092
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1093 switch (type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1094 {
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1095 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1096 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1097 case TYPE_ULONGLONGINT:
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	1098 # if (defined _WIN32 \|\| defined __WIN32__) && ! defined __CYGWIN__
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	1099 *fbp++ = 'I';
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	1100 *fbp++ = '6';
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	1101 *fbp++ = '4';
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	1102 break;
abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	1103 # else
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1104 *fbp++ = 'l';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1105 /FALLTHROUGH/
8830 abc2bcb16721 Support output of 64-bit numbers on mingw. Bruno Haible <bruno@clisp.org> parents: 8804 diff changeset	1106 # endif
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1107 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1108 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1109 case TYPE_ULONGINT:
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1110 #if HAVE_WINT_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1111 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1112 #endif
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1113 #if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1114 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1115 #endif
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1116 *fbp++ = 'l';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1117 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1118 case TYPE_LONGDOUBLE:
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1119 *fbp++ = 'L';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1120 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1121 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1122 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1123 }
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1124 #if NEED_PRINTF_DIRECTIVE_F
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1125 if (dp->conversion == 'F')
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1126 *fbp = 'f';
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1127 else
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1128 #endif
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1129 *fbp = dp->conversion;
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1130 #if USE_SNPRINTF
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1131 fbp[1] = '%';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1132 fbp[2] = 'n';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1133 fbp[3] = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1134 #else
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1135 fbp[1] = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1136 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1137
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1138 /* Construct the arguments for calling snprintf or sprintf. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1139 prefix_count = 0;
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1140 if (!pad_ourselves && dp->width_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1141 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1142 if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1143 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1144 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	1145 }
4886 e4317f1f2e2c Use size_t instead of ssize_t. Bruno Haible <bruno@clisp.org> parents: 4879 diff changeset	1146 if (dp->precision_arg_index != ARG_NONE)
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1147 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1148 if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1149 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1150 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	1151 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1152
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1153 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1154 /* Prepare checking whether snprintf returns the count
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1155 via %n. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1156 ENSURE_ALLOCATION (xsum (length, 1));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1157 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1158 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1159
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1160 for (;;)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1161 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1162 size_t maxlen;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1163 int count;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1164 int retcount;
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 maxlen = allocated - length;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1167 count = -1;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1168 retcount = 0;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1169
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1170 #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	1171 /* 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	1172 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	1173 goto overflow;
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	1174 # define SNPRINTF_BUF(arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1175 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1176 { \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1177 case 0: \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1178 retcount = SNPRINTF (result + length, maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1179 arg, &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1180 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1181 case 1: \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1182 retcount = SNPRINTF (result + length, maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1183 prefixes[0], arg, &count); \
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 2: \
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1186 retcount = SNPRINTF (result + length, maxlen, buf, \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1187 prefixes[0], prefixes[1], arg, \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1188 &count); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1189 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1190 default: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1191 abort (); \
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 #else
4704 b7a1b14802c8 Correct cpp indentation. Jim Meyering <jim@meyering.net> parents: 4589 diff changeset	1194 # define SNPRINTF_BUF(arg) \
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1195 switch (prefix_count) \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1196 { \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1197 case 0: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1198 count = sprintf (tmp, buf, arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1199 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1200 case 1: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1201 count = sprintf (tmp, buf, prefixes[0], arg); \
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 2: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1204 count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1205 arg); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1206 break; \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1207 default: \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1208 abort (); \
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1209 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1210 #endif
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 switch (type)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1213 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1214 case TYPE_SCHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1215 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1216 int arg = a.arg[dp->arg_index].a.a_schar;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1217 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1218 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1219 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1220 case TYPE_UCHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1221 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1222 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	1223 SNPRINTF_BUF (arg);
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 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1226 case TYPE_SHORT:
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 int arg = a.arg[dp->arg_index].a.a_short;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1229 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1230 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1231 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1232 case TYPE_USHORT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1233 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1234 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	1235 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1236 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1237 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1238 case TYPE_INT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1239 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1240 int arg = a.arg[dp->arg_index].a.a_int;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1241 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1242 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1243 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1244 case TYPE_UINT:
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 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	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 case TYPE_LONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1251 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1252 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	1253 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1254 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1255 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1256 case TYPE_ULONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1257 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1258 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	1259 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1260 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1261 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1262 #if HAVE_LONG_LONG_INT
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1263 case TYPE_LONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1264 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1265 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	1266 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1267 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1268 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1269 case TYPE_ULONGLONGINT:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1270 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1271 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	1272 SNPRINTF_BUF (arg);
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 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1275 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1276 case TYPE_DOUBLE:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1277 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1278 double arg = a.arg[dp->arg_index].a.a_double;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1279 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1280 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1281 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1282 case TYPE_LONGDOUBLE:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1283 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1284 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	1285 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1286 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1287 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1288 case TYPE_CHAR:
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 int arg = a.arg[dp->arg_index].a.a_char;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1291 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1292 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1293 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1294 #if HAVE_WINT_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1295 case TYPE_WIDE_CHAR:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1296 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1297 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	1298 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1299 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1300 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1301 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1302 case TYPE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1303 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1304 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	1305 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1306 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1307 break;
8051 9c2b0396b27c Stylistic change: Use '#if HAVE_' instead of '#ifdef HAVE_'. Bruno Haible <bruno@clisp.org> parents: 7475 diff changeset	1308 #if HAVE_WCHAR_T
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1309 case TYPE_WIDE_STRING:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1310 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1311 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	1312 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1313 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1314 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1315 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1316 case TYPE_POINTER:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1317 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1318 void *arg = a.arg[dp->arg_index].a.a_pointer;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1319 SNPRINTF_BUF (arg);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1320 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1321 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1322 default:
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1323 abort ();
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
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1326 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1327 /* Portability: Not all implementations of snprintf()
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1328 are ISO C 99 compliant. Determine the number of
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1329 bytes that snprintf() has produced or would have
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1330 produced. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1331 if (count >= 0)
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 /* Verify that snprintf() has NUL-terminated its
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1334 result. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1335 if (count < maxlen && result[length + count] != '\0')
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1336 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1337 /* Portability hack. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1338 if (retcount > count)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1339 count = retcount;
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 else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1342 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1343 /* snprintf() doesn't understand the '%n'
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1344 directive. */
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1345 if (fbp[1] != '\0')
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1346 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1347 /* Don't use the '%n' directive; instead, look
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1348 at the snprintf() return value. */
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1349 fbp[1] = '\0';
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1350 continue;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1351 }
4801 83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1352 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1353 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1354 /* 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	1355 if (retcount < 0)
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1356 {
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1357 /* 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	1358 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	1359 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	1360 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	1361 buffer is too small. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1362 size_t bigger_need =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1363 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	1364 ENSURE_ALLOCATION (bigger_need);
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1365 continue;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1366 }
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1367 else
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1368 count = retcount;
83746ec4d74a Portability to HP-UX 10, found by Jim Meyering. Bruno Haible <bruno@clisp.org> parents: 4704 diff changeset	1369 }
4224 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 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1372
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1373 /* Attempt to handle failure. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1374 if (count < 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 \|\| result == NULL))
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1377 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1378 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1379 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1380 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1381 errno = EINVAL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1382 return NULL;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1383 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1384
8804 6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1385 /* Perform padding. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1386 #if NEED_PRINTF_FLAG_ZERO
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1387 if (pad_ourselves && has_width && count < width)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1388 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1389 # if USE_SNPRINTF
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1390 /* Make room for the result. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1391 if (width >= maxlen)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1392 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1393 /* Need at least width bytes. But allocate
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1394 proportionally, to avoid looping eternally if
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1395 snprintf() reports a too small count. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1396 size_t n =
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1397 xmax (xsum (length, width),
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1398 xtimes (allocated, 2));
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1399
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1400 length += count;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1401 ENSURE_ALLOCATION (n);
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1402 length -= count;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1403 maxlen = allocated - length; /* >= width */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1404 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1405 # endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1406 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1407 # if USE_SNPRINTF
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1408 CHAR_T * const rp = result + length;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1409 # else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1410 CHAR_T * const rp = tmp;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1411 # endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1412 CHAR_T *p = rp + count;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1413 size_t pad = width - count;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1414 CHAR_T *end = p + pad;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1415 CHAR_T pad_ptr = (rp == '-' ? rp + 1 : rp);
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1416 /* No zero-padding of "inf" and "nan". */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1417 if ((pad_ptr >= 'A' && pad_ptr <= 'Z')
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1418 \|\| (pad_ptr >= 'a' && pad_ptr <= 'z'))
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1419 pad_ptr = NULL;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1420 /* The generated string now extends from rp to p,
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1421 with the zero padding insertion point being at
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1422 pad_ptr. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1423
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1424 if (flags & FLAG_LEFT)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1425 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1426 /* Pad with spaces on the right. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1427 for (; pad > 0; pad--)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1428 *p++ = ' ';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1429 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1430 else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1431 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1432 /* Pad with zeroes. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1433 CHAR_T *q = end;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1434
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1435 while (p > pad_ptr)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1436 --q = --p;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1437 for (; pad > 0; pad--)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1438 *p++ = '0';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1439 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1440 else
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1441 {
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1442 /* Pad with spaces on the left. */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1443 CHAR_T *q = end;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1444
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1445 while (p > rp)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1446 --q = --p;
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1447 for (; pad > 0; pad--)
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1448 *p++ = ' ';
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1449 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1450
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1451 count = width; /* = count + pad = end - rp */
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1452 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1453 }
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1454 #endif
6ce313658b4d Work around an incorrect implementation of the 0 flag on most platforms. Bruno Haible <bruno@clisp.org> parents: 8803 diff changeset	1455
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1456 #if !USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1457 if (count >= tmp_length)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1458 /* tmp_length was incorrectly calculated - fix the
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1459 code above! */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1460 abort ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1461 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1462
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1463 /* Make room for the result. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1464 if (count >= maxlen)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1465 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1466 /* Need at least count bytes. But allocate
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1467 proportionally, to avoid looping eternally if
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1468 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	1469 size_t n =
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1470 xmax (xsum (length, count), xtimes (allocated, 2));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1471
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1472 ENSURE_ALLOCATION (n);
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1473 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1474 continue;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1475 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1476 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1477
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1478 #if USE_SNPRINTF
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1479 /* The snprintf() result did fit. */
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1480 #else
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1481 /* Append the sprintf() result. */
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1482 memcpy (result + length, tmp, count * sizeof (CHAR_T));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1483 if (tmp != tmpbuf)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1484 free (tmp);
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1485 #endif
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1486
8664 40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1487 #if NEED_PRINTF_DIRECTIVE_F
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1488 if (dp->conversion == 'F')
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1489 {
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1490 /* Convert the %f result to upper case for %F. */
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1491 CHAR_T *rp = result + length;
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1492 size_t rc;
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1493 for (rc = count; rc > 0; rc--, rp++)
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1494 if (rp >= 'a' && rp <= 'z')
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1495 rp = rp - 'a' + 'A';
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1496 }
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1497 #endif
40c507f55b0f Implement the %F directive if the system doesn't implement it correctly. Bruno Haible <bruno@clisp.org> parents: 8655 diff changeset	1498
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1499 length += count;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1500 break;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1501 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1502 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1503 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1504 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1505
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1506 /* Add the final NUL. */
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1507 ENSURE_ALLOCATION (xsum (length, 1));
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1508 result[length] = '\0';
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1509
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1510 if (result != resultbuf && length + 1 < allocated)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1511 {
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1512 /* 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	1513 CHAR_T *memory;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1514
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1515 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	1516 if (memory != NULL)
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1517 result = memory;
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1518 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1519
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1520 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1521 free (buf_malloced);
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1522 CLEANUP ();
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1523 *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	1524 /* 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	1525 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	1526 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	1527 not have this limitation. */
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1528 return result;
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1529
8468 336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1530 overflow:
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1531 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	1532 free (result);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1533 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	1534 free (buf_malloced);
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1535 CLEANUP ();
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1536 errno = EOVERFLOW;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1537 return NULL;
336e69863755 Fix endless loop when the given allocated size was > INT_MAX. Bruno Haible <bruno@clisp.org> parents: 8465 diff changeset	1538
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1539 out_of_memory:
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1540 if (!(result == resultbuf \|\| result == NULL))
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1541 free (result);
4879 9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1542 if (buf_malloced != NULL)
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1543 free (buf_malloced);
9b96adbed643 Avoid alloca with too large size. Bruno Haible <bruno@clisp.org> parents: 4872 diff changeset	1544 out_of_memory_1:
4872 c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1545 CLEANUP ();
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1546 errno = ENOMEM;
c5afc99b8ce5 Use xsize.h to protect against memory size overflows. Bruno Haible <bruno@clisp.org> parents: 4871 diff changeset	1547 return NULL;
4224 83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1548 }
83eabea25586 New modules vasnprintf and vasprintf. Bruno Haible <bruno@clisp.org> parents: diff changeset	1549 }
4871 87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1550
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1551 #undef SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1552 #undef USE_SNPRINTF
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1553 #undef PRINTF_PARSE
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1554 #undef DIRECTIVES
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1555 #undef DIRECTIVE
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1556 #undef CHAR_T
87df35000dab Merge support for wide characters, from GNU gettext. Bruno Haible <bruno@clisp.org> parents: 4801 diff changeset	1557 #undef VASNPRINTF

Mercurial > hg > octave-nkf > gnulib-hg

annotate lib/vasnprintf.c @ 8831:d3f907c33d15