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File printf.c

/* Formatted output to strings, using POSIX/XSI format strings with positions.
   Copyright (C) 2003, 2006-2007, 2009-2011, 2015-2016 Free Software
   Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2003.

This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published by
   the Free Software Foundation; either version 2.1 of the License, or
   (at your option) any later version.

This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#ifdef __GNUC__
# define alloca __builtin_alloca
# define HAVE_ALLOCA 1
#else
# ifdef _MSC_VER
#  include <malloc.h>
#  define alloca _alloca
# else
#  if defined HAVE_ALLOCA_H || defined _LIBC
#   include <alloca.h>
#  else
#   ifdef _AIX
 #pragma alloca
#   else
#    ifndef alloca
char *alloca ();
#    endif
#   endif
#  endif
# endif
#endif

#include <stdio.h>

#if !HAVE_POSIX_PRINTF

#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>

/* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW.  */
#ifndef EOVERFLOW
# define EOVERFLOW E2BIG
#endif

/* When building a DLL, we must export some functions.  Note that because
   the functions are only defined for binary backward compatibility, we
   don't need to use __declspec(dllimport) in any case.  */
#if HAVE_VISIBILITY && BUILDING_DLL
# define DLL_EXPORTED __attribute__((__visibility__("default")))
#elif defined _MSC_VER && BUILDING_DLL
# define DLL_EXPORTED __declspec(dllexport)
#else
# define DLL_EXPORTED
#endif

#define STATIC static

/* This needs to be consistent with libgnuintl.in.h.  */
#if defined __NetBSD__ || defined __BEOS__ || defined __CYGWIN__ || defined __MINGW32__
/* Don't break __attribute__((format(printf,M,N))).
   This redefinition is only possible because the libc in NetBSD, Cygwin,
   mingw does not have a function __printf__.  */
# define libintl_printf __printf__
#endif

/* Define auxiliary functions declared in "printf-args.h".  */
#include "printf-args.c"

/* Define auxiliary functions declared in "printf-parse.h".  */
#include "printf-parse.c"

/* Define functions declared in "vasnprintf.h".  */
#define vasnprintf libintl_vasnprintf
#include "vasnprintf.c"
#if 0 /* not needed */
#define asnprintf libintl_asnprintf
#include "asnprintf.c"
#endif

DLL_EXPORTED
int
libintl_vfprintf (FILE *stream, const char *format, va_list args)
{
  if (strchr (format, '$') == NULL)
    return vfprintf (stream, format, args);
  else
    {
      size_t length;
      char *result = libintl_vasnprintf (NULL, &length, format, args);
      int retval = -1;
      if (result != NULL)
        {
          size_t written = fwrite (result, 1, length, stream);
          free (result);
          if (written == length)
            {
              if (length > INT_MAX)
                errno = EOVERFLOW;
              else
                retval = length;
            }
        }
      return retval;
    }
}

DLL_EXPORTED
int
libintl_fprintf (FILE *stream, const char *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vfprintf (stream, format, args);
  va_end (args);
  return retval;
}

DLL_EXPORTED
int
libintl_vprintf (const char *format, va_list args)
{
  return libintl_vfprintf (stdout, format, args);
}

DLL_EXPORTED
int
libintl_printf (const char *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vprintf (format, args);
  va_end (args);
  return retval;
}

DLL_EXPORTED
int
libintl_vsprintf (char *resultbuf, const char *format, va_list args)
{
  if (strchr (format, '$') == NULL)
    return vsprintf (resultbuf, format, args);
  else
    {
      size_t length = (size_t) ~0 / (4 * sizeof (char));
      char *result = libintl_vasnprintf (resultbuf, &length, format, args);
      if (result != resultbuf)
        {
          free (result);
          return -1;
        }
      if (length > INT_MAX)
        {
          errno = EOVERFLOW;
          return -1;
        }
      else
        return length;
    }
}

DLL_EXPORTED
int
libintl_sprintf (char *resultbuf, const char *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vsprintf (resultbuf, format, args);
  va_end (args);
  return retval;
}

#if HAVE_SNPRINTF

# if HAVE_DECL__SNPRINTF
   /* Windows.  The mingw function vsnprintf() has fewer bugs than the MSVCRT
      function _vsnprintf(), so prefer that.  */
#  if defined __MINGW32__
#   define system_vsnprintf vsnprintf
#  else
#   define system_vsnprintf _vsnprintf
#  endif
# else
   /* Unix.  */
#  define system_vsnprintf vsnprintf
# endif

DLL_EXPORTED
int
libintl_vsnprintf (char *resultbuf, size_t length, const char *format, va_list args)
{
  if (strchr (format, '$') == NULL)
    return system_vsnprintf (resultbuf, length, format, args);
  else
    {
      size_t maxlength = length;
      char *result = libintl_vasnprintf (resultbuf, &length, format, args);
      if (result == NULL)
        return -1;
      if (result != resultbuf)
        {
          if (maxlength > 0)
            {
              size_t pruned_length =
                (length < maxlength ? length : maxlength - 1);
              memcpy (resultbuf, result, pruned_length);
              resultbuf[pruned_length] = '\0';
            }
          free (result);
        }
      if (length > INT_MAX)
        {
          errno = EOVERFLOW;
          return -1;
        }
      else
        return length;
    }
}

DLL_EXPORTED
int
libintl_snprintf (char *resultbuf, size_t length, const char *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vsnprintf (resultbuf, length, format, args);
  va_end (args);
  return retval;
}

#endif

#if HAVE_ASPRINTF

DLL_EXPORTED
int
libintl_vasprintf (char **resultp, const char *format, va_list args)
{
  size_t length;
  char *result = libintl_vasnprintf (NULL, &length, format, args);
  if (result == NULL)
    return -1;
  if (length > INT_MAX)
    {
      free (result);
      errno = EOVERFLOW;
      return -1;
    }
  *resultp = result;
  return length;
}

DLL_EXPORTED
int
libintl_asprintf (char **resultp, const char *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vasprintf (resultp, format, args);
  va_end (args);
  return retval;
}

#endif

#if HAVE_FWPRINTF

#include <wchar.h>

#define WIDE_CHAR_VERSION 1

#include "wprintf-parse.h"
/* Define auxiliary functions declared in "wprintf-parse.h".  */
#define CHAR_T wchar_t
#define DIRECTIVE wchar_t_directive
#define DIRECTIVES wchar_t_directives
#define PRINTF_PARSE wprintf_parse
#include "printf-parse.c"

/* Define functions declared in "vasnprintf.h".  */
#define vasnwprintf libintl_vasnwprintf
#include "vasnprintf.c"
#if 0 /* not needed */
#define asnwprintf libintl_asnwprintf
#include "asnprintf.c"
#endif

# if HAVE_DECL__SNWPRINTF
   /* Windows.  The function vswprintf() has a different signature than
      on Unix; we use the function _vsnwprintf() instead.  */
#  define system_vswprintf _vsnwprintf
# else
   /* Unix.  */
#  define system_vswprintf vswprintf
# endif

DLL_EXPORTED
int
libintl_vfwprintf (FILE *stream, const wchar_t *format, va_list args)
{
  if (wcschr (format, '$') == NULL)
    return vfwprintf (stream, format, args);
  else
    {
      size_t length;
      wchar_t *result = libintl_vasnwprintf (NULL, &length, format, args);
      int retval = -1;
      if (result != NULL)
        {
          size_t i;
          for (i = 0; i < length; i++)
            if (fputwc (result[i], stream) == WEOF)
              break;
          free (result);
          if (i == length)
            {
              if (length > INT_MAX)
                errno = EOVERFLOW;
              else
                retval = length;
            }
        }
      return retval;
    }
}

DLL_EXPORTED
int
libintl_fwprintf (FILE *stream, const wchar_t *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vfwprintf (stream, format, args);
  va_end (args);
  return retval;
}

DLL_EXPORTED
int
libintl_vwprintf (const wchar_t *format, va_list args)
{
  return libintl_vfwprintf (stdout, format, args);
}

DLL_EXPORTED
int
libintl_wprintf (const wchar_t *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vwprintf (format, args);
  va_end (args);
  return retval;
}

DLL_EXPORTED
int
libintl_vswprintf (wchar_t *resultbuf, size_t length, const wchar_t *format, va_list args)
{
  if (wcschr (format, '$') == NULL)
    return system_vswprintf (resultbuf, length, format, args);
  else
    {
      size_t maxlength = length;
      wchar_t *result = libintl_vasnwprintf (resultbuf, &length, format, args);
      if (result == NULL)
        return -1;
      if (result != resultbuf)
        {
          if (maxlength > 0)
            {
              size_t pruned_length =
                (length < maxlength ? length : maxlength - 1);
              memcpy (resultbuf, result, pruned_length * sizeof (wchar_t));
              resultbuf[pruned_length] = 0;
            }
          free (result);
          /* Unlike vsnprintf, which has to return the number of character that
             would have been produced if the resultbuf had been sufficiently
             large, the vswprintf function has to return a negative value if
             the resultbuf was not sufficiently large.  */
          if (length >= maxlength)
            return -1;
        }
      if (length > INT_MAX)
        {
          errno = EOVERFLOW;
          return -1;
        }
      else
        return length;
    }
}

DLL_EXPORTED
int
libintl_swprintf (wchar_t *resultbuf, size_t length, const wchar_t *format, ...)
{
  va_list args;
  int retval;

va_start (args, format);
  retval = libintl_vswprintf (resultbuf, length, format, args);
  va_end (args);
  return retval;
}

#endif

Name	Type	Size	Permission	Last Modified	Actions
.	DIR	-	drwxr-xr-x	2024-03-13 05:00:23
..	DIR	-	drwxr-xr-x	2024-03-13 05:00:23
COPYING.LIB	text/plain	25.92 KB	-rw-r--r--	2014-12-13 03:48:16
Makefile.in	text/x-makefile	24.53 KB	-rw-r--r--	2016-06-11 07:37:41
VERSION	text/plain	42 B	-rw-r--r--	2019-11-18 05:16:47
bindtextdom.c	text/x-c	9.33 KB	-rw-r--r--	2016-03-20 07:37:53
config.charset	text/x-shellscript	22.5 KB	-rwxr-xr-x	2015-01-24 07:21:24
dcgettext.c	text/x-c	1.71 KB	-rw-r--r--	2016-03-20 07:37:53
dcigettext.c	text/x-c	46.49 KB	-rw-r--r--	2016-05-28 12:28:55
dcngettext.c	text/x-c	1.74 KB	-rw-r--r--	2016-03-20 07:37:53
dgettext.c	text/x-c	1.67 KB	-rw-r--r--	2016-03-20 07:37:53
dngettext.c	text/x-c	1.78 KB	-rw-r--r--	2016-03-20 07:37:53
eval-plural.h	text/plain	2.67 KB	-rw-r--r--	2016-03-20 07:37:53
explodename.c	text/x-c	3.26 KB	-rw-r--r--	2016-03-20 07:37:53
export.h	text/plain	157 B	-rw-r--r--	2014-12-11 01:11:46
finddomain.c	text/x-c	5.86 KB	-rw-r--r--	2016-03-20 07:37:53
gettext.c	text/x-c	1.78 KB	-rw-r--r--	2016-03-20 07:37:53
gettextP.h	text/x-c	9.95 KB	-rw-r--r--	2016-05-28 12:28:55
gmo.h	text/x-c	4.74 KB	-rw-r--r--	2016-03-20 07:37:53
hash-string.c	text/x-c	1.51 KB	-rw-r--r--	2016-03-20 07:37:53
hash-string.h	text/x-c	1.28 KB	-rw-r--r--	2016-03-20 07:37:53
intl-compat.c	text/x-c	3.37 KB	-rw-r--r--	2016-03-20 07:37:53
intl-exports.c	text/plain	1.73 KB	-rw-r--r--	2016-03-20 07:37:53
l10nflist.c	text/x-c	10.64 KB	-rw-r--r--	2016-03-20 07:37:53
langprefs.c	text/x-c	12.42 KB	-rw-r--r--	2016-03-20 07:37:53
libgnuintl.in.h	text/x-c	16.4 KB	-rw-r--r--	2016-06-09 10:56:00
libintl.rc	text/x-c	1.58 KB	-rw-r--r--	2014-12-11 01:02:40
loadinfo.h	text/x-c	4.99 KB	-rw-r--r--	2016-03-20 07:37:53
loadmsgcat.c	text/x-c	33.73 KB	-rw-r--r--	2016-03-20 07:37:53
localcharset.c	text/x-c	20.04 KB	-rw-r--r--	2015-01-24 07:21:24
localcharset.h	text/x-c	1.31 KB	-rw-r--r--	2015-06-05 09:52:52
locale.alias	text/plain	3.01 KB	-rw-r--r--	2015-06-23 12:09:37
localealias.c	text/x-c	10.39 KB	-rw-r--r--	2016-03-20 07:37:53
localename.c	text/x-c	84.12 KB	-rw-r--r--	2016-03-20 07:37:53
lock.c	text/x-c	26.16 KB	-rw-r--r--	2016-03-20 07:37:53
lock.h	text/x-c	35.46 KB	-rw-r--r--	2016-03-20 07:37:53
log.c	text/x-c	3.76 KB	-rw-r--r--	2016-03-20 07:37:53
ngettext.c	text/x-c	1.86 KB	-rw-r--r--	2016-03-20 07:37:53
os2compat.c	text/x-c	2.77 KB	-rw-r--r--	2016-03-20 07:37:53
os2compat.h	text/x-c	1.47 KB	-rw-r--r--	2016-03-20 07:37:53
osdep.c	text/plain	988 B	-rw-r--r--	2016-03-20 07:37:53
plural-exp.c	text/x-c	3.79 KB	-rw-r--r--	2016-05-28 12:29:03
plural-exp.h	text/x-c	4.54 KB	-rw-r--r--	2016-05-28 12:29:03
plural.c	text/x-c	52.03 KB	-rw-r--r--	2016-06-11 01:02:54
plural.y	text/x-c	7.34 KB	-rw-r--r--	2016-03-20 07:37:53
printf-args.c	text/plain	6.43 KB	-rw-r--r--	2016-03-20 07:37:53
printf-args.h	text/x-c	3.88 KB	-rw-r--r--	2016-03-20 07:37:53
printf-parse.c	text/x-c	21.67 KB	-rw-r--r--	2016-03-20 07:37:53
printf-parse.h	text/x-c	2.53 KB	-rw-r--r--	2016-03-20 07:37:53
printf.c	text/x-c	10.09 KB	-rw-r--r--	2016-03-20 07:37:53
ref-add.sin	text/plain	1.02 KB	-rw-r--r--	2016-03-20 07:37:53
ref-del.sin	text/plain	996 B	-rw-r--r--	2016-03-20 07:37:53
relocatable.c	text/x-c	17.09 KB	-rw-r--r--	2016-03-20 07:37:53
relocatable.h	text/x-c	3.07 KB	-rw-r--r--	2016-03-20 07:37:53
setlocale.c	text/x-c	32.34 KB	-rw-r--r--	2016-03-20 07:37:53
textdomain.c	text/x-c	3.72 KB	-rw-r--r--	2016-03-20 07:37:53
threadlib.c	text/x-c	1.89 KB	-rw-r--r--	2016-03-20 07:37:53
tsearch.c	text/x-c	20.98 KB	-rw-r--r--	2016-03-20 07:37:53
tsearch.h	text/x-c	2.75 KB	-rw-r--r--	2016-03-20 07:37:53
vasnprintf.c	text/x-c	218.1 KB	-rw-r--r--	2016-03-20 07:37:53
vasnprintf.h	text/x-c	2.74 KB	-rw-r--r--	2016-03-20 07:37:53
vasnwprintf.h	text/x-c	1.64 KB	-rw-r--r--	2016-03-20 07:37:53
verify.h	text/x-c++	10.76 KB	-rw-r--r--	2016-03-20 07:37:53
version.c	text/x-c	935 B	-rw-r--r--	2016-03-20 07:37:53
wprintf-parse.h	text/x-c	2.58 KB	-rw-r--r--	2016-03-20 07:37:53
xsize.c	text/x-c	78 B	-rw-r--r--	2014-12-11 01:11:46
xsize.h	text/x-c	3.57 KB	-rw-r--r--	2016-03-20 07:37:53

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