FM / intl

/usr/share/gettext/intl

Name	Size	Mode	Actions
bindtextdom.c	9553	0644	edit dl rm
config.charset	23045	0755	edit dl rm
COPYING.LIB	26545	0644	edit dl rm
dcgettext.c	1747	0644	edit dl rm
dcigettext.c	47601	0644	edit dl rm
dcngettext.c	1780	0644	edit dl rm
dgettext.c	1705	0644	edit dl rm
dngettext.c	1822	0644	edit dl rm
eval-plural.h	2736	0644	edit dl rm
explodename.c	3340	0644	edit dl rm
export.h	157	0644	edit dl rm
finddomain.c	5996	0644	edit dl rm
gettext.c	1819	0644	edit dl rm
gettextP.h	10186	0644	edit dl rm
gmo.h	4853	0644	edit dl rm
hash-string.c	1549	0644	edit dl rm
hash-string.h	1314	0644	edit dl rm
intl-compat.c	3455	0644	edit dl rm
intl-exports.c	1774	0644	edit dl rm
l10nflist.c	10900	0644	edit dl rm
langprefs.c	12717	0644	edit dl rm
libgnuintl.in.h	16792	0644	edit dl rm
libintl.rc	1622	0644	edit dl rm
loadinfo.h	5112	0644	edit dl rm
loadmsgcat.c	34537	0644	edit dl rm
localcharset.c	20520	0644	edit dl rm
localcharset.h	1340	0644	edit dl rm
locale.alias	3086	0644	edit dl rm
localealias.c	10639	0644	edit dl rm
localename.c	86143	0644	edit dl rm
lock.c	26785	0644	edit dl rm
lock.h	36316	0644	edit dl rm
log.c	3855	0644	edit dl rm
Makefile.in	25121	0644	edit dl rm
ngettext.c	1907	0644	edit dl rm
os2compat.c	2837	0644	edit dl rm
os2compat.h	1505	0644	edit dl rm
osdep.c	988	0644	edit dl rm
plural-exp.c	3881	0644	edit dl rm
plural-exp.h	4645	0644	edit dl rm
plural.c	53283	0644	edit dl rm
plural.y	7516	0644	edit dl rm
printf-args.c	6584	0644	edit dl rm
printf-args.h	3976	0644	edit dl rm
printf-parse.c	22193	0644	edit dl rm
printf-parse.h	2594	0644	edit dl rm
printf.c	10333	0644	edit dl rm
ref-add.sin	1041	0644	edit dl rm
ref-del.sin	996	0644	edit dl rm
relocatable.c	17505	0644	edit dl rm
relocatable.h	3144	0644	edit dl rm
setlocale.c	33114	0644	edit dl rm
textdomain.c	3811	0644	edit dl rm
threadlib.c	1936	0644	edit dl rm
tsearch.c	21483	0644	edit dl rm
tsearch.h	2812	0644	edit dl rm
vasnprintf.c	223333	0644	edit dl rm
vasnprintf.h	2807	0644	edit dl rm
vasnwprintf.h	1684	0644	edit dl rm
verify.h	11019	0644	edit dl rm
VERSION	42	0644	edit dl rm
version.c	935	0644	edit dl rm
wprintf-parse.h	2643	0644	edit dl rm
xsize.c	78	0644	edit dl rm
xsize.h	3653	0644	edit dl rm

Edit: /usr/share/gettext/intl/relocatable.c (17505B)

/* Provide relocatable packages.
   Copyright (C) 2003-2006, 2008-2016 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/>.  */

/* Tell glibc's <stdio.h> to provide a prototype for getline().
   This must come before <config.h> because <config.h> may include
   <features.h>, and once <features.h> has been included, it's too late.  */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif

#define _GL_USE_STDLIB_ALLOC 1
#include <config.h>

/* Specification.  */
#include "relocatable.h"

#if ENABLE_RELOCATABLE

#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef NO_XMALLOC
# define xmalloc malloc
#else
# include "xalloc.h"
#endif

#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif

#ifdef __EMX__
# define INCL_DOS
# include <os2.h>

# define strcmp  stricmp
# define strncmp strnicmp
#endif

#if DEPENDS_ON_LIBCHARSET
# include <libcharset.h>
#endif
#if DEPENDS_ON_LIBICONV && HAVE_ICONV
# include <iconv.h>
#endif
#if DEPENDS_ON_LIBINTL && ENABLE_NLS
# include <libintl.h>
#endif

/* Faked cheap 'bool'.  */
#undef bool
#undef false
#undef true
#define bool int
#define false 0
#define true 1

/* Pathname support.
   ISSLASH(C)           tests whether C is a directory separator character.
   IS_PATH_WITH_DIR(P)  tests whether P contains a directory specification.
 */
#if ((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__) || defined __EMX__ || defined __DJGPP__
  /* Native Windows, OS/2, DOS */
# define ISSLASH(C) ((C) == '/' || (C) == '\\')
# define HAS_DEVICE(P) \
    ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
     && (P)[1] == ':')
# define IS_PATH_WITH_DIR(P) \
    (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
# define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0)
#else
  /* Unix */
# define ISSLASH(C) ((C) == '/')
# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
# define FILE_SYSTEM_PREFIX_LEN(P) 0
#endif

/* Whether to enable the more costly support for relocatable libraries.
   It allows libraries to be have been installed with a different original
   prefix than the program.  But it is quite costly, especially on Cygwin
   platforms, see below.  Therefore we enable it by default only on native
   Windows platforms.  */
#ifndef ENABLE_COSTLY_RELOCATABLE
# if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
#  define ENABLE_COSTLY_RELOCATABLE 1
# else
#  define ENABLE_COSTLY_RELOCATABLE 0
# endif
#endif

/* Original installation prefix.  */
static char *orig_prefix;
static size_t orig_prefix_len;
/* Current installation prefix.  */
static char *curr_prefix;
static size_t curr_prefix_len;
/* These prefixes do not end in a slash.  Anything that will be concatenated
   to them must start with a slash.  */

/* Sets the original and the current installation prefix of this module.
   Relocation simply replaces a pathname starting with the original prefix
   by the corresponding pathname with the current prefix instead.  Both
   prefixes should be directory names without trailing slash (i.e. use ""
   instead of "/").  */
static void
set_this_relocation_prefix (const char *orig_prefix_arg,
                            const char *curr_prefix_arg)
{
  if (orig_prefix_arg != NULL && curr_prefix_arg != NULL
      /* Optimization: if orig_prefix and curr_prefix are equal, the
         relocation is a nop.  */
      && strcmp (orig_prefix_arg, curr_prefix_arg) != 0)
    {
      /* Duplicate the argument strings.  */
      char *memory;

orig_prefix_len = strlen (orig_prefix_arg);
      curr_prefix_len = strlen (curr_prefix_arg);
      memory = (char *) xmalloc (orig_prefix_len + 1 + curr_prefix_len + 1);
#ifdef NO_XMALLOC
      if (memory != NULL)
#endif
        {
          memcpy (memory, orig_prefix_arg, orig_prefix_len + 1);
          orig_prefix = memory;
          memory += orig_prefix_len + 1;
          memcpy (memory, curr_prefix_arg, curr_prefix_len + 1);
          curr_prefix = memory;
          return;
        }
    }
  orig_prefix = NULL;
  curr_prefix = NULL;
  /* Don't worry about wasted memory here - this function is usually only
     called once.  */
}

/* Sets the original and the current installation prefix of the package.
   Relocation simply replaces a pathname starting with the original prefix
   by the corresponding pathname with the current prefix instead.  Both
   prefixes should be directory names without trailing slash (i.e. use ""
   instead of "/").  */
void
set_relocation_prefix (const char *orig_prefix_arg, const char *curr_prefix_arg)
{
  set_this_relocation_prefix (orig_prefix_arg, curr_prefix_arg);

/* Now notify all dependent libraries.  */
#if DEPENDS_ON_LIBCHARSET
  libcharset_set_relocation_prefix (orig_prefix_arg, curr_prefix_arg);
#endif
#if DEPENDS_ON_LIBICONV && HAVE_ICONV && _LIBICONV_VERSION >= 0x0109
  libiconv_set_relocation_prefix (orig_prefix_arg, curr_prefix_arg);
#endif
#if DEPENDS_ON_LIBINTL && ENABLE_NLS && defined libintl_set_relocation_prefix
  libintl_set_relocation_prefix (orig_prefix_arg, curr_prefix_arg);
#endif
}

#if !defined IN_LIBRARY || (defined PIC && defined INSTALLDIR && ENABLE_COSTLY_RELOCATABLE)

/* Convenience function:
   Computes the current installation prefix, based on the original
   installation prefix, the original installation directory of a particular
   file, and the current pathname of this file.
   Returns it, freshly allocated.  Returns NULL upon failure.  */
#ifdef IN_LIBRARY
#define compute_curr_prefix local_compute_curr_prefix
static
#endif
char *
compute_curr_prefix (const char *orig_installprefix,
                     const char *orig_installdir,
                     const char *curr_pathname)
{
  char *curr_installdir;
  const char *rel_installdir;

if (curr_pathname == NULL)
    return NULL;

/* Determine the relative installation directory, relative to the prefix.
     This is simply the difference between orig_installprefix and
     orig_installdir.  */
  if (strncmp (orig_installprefix, orig_installdir, strlen (orig_installprefix))
      != 0)
    /* Shouldn't happen - nothing should be installed outside $(prefix).  */
    return NULL;
  rel_installdir = orig_installdir + strlen (orig_installprefix);

/* Determine the current installation directory.  */
  {
    const char *p_base = curr_pathname + FILE_SYSTEM_PREFIX_LEN (curr_pathname);
    const char *p = curr_pathname + strlen (curr_pathname);
    char *q;

while (p > p_base)
      {
        p--;
        if (ISSLASH (*p))
          break;
      }

q = (char *) xmalloc (p - curr_pathname + 1);
#ifdef NO_XMALLOC
    if (q == NULL)
      return NULL;
#endif
    memcpy (q, curr_pathname, p - curr_pathname);
    q[p - curr_pathname] = '\0';
    curr_installdir = q;
  }

/* Compute the current installation prefix by removing the trailing
     rel_installdir from it.  */
  {
    const char *rp = rel_installdir + strlen (rel_installdir);
    const char *cp = curr_installdir + strlen (curr_installdir);
    const char *cp_base =
      curr_installdir + FILE_SYSTEM_PREFIX_LEN (curr_installdir);

while (rp > rel_installdir && cp > cp_base)
      {
        bool same = false;
        const char *rpi = rp;
        const char *cpi = cp;

while (rpi > rel_installdir && cpi > cp_base)
          {
            rpi--;
            cpi--;
            if (ISSLASH (*rpi) || ISSLASH (*cpi))
              {
                if (ISSLASH (*rpi) && ISSLASH (*cpi))
                  same = true;
                break;
              }
            /* Do case-insensitive comparison if the file system is always or
               often case-insensitive.  It's better to accept the comparison
               if the difference is only in case, rather than to fail.  */
#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
            /* Native Windows, Cygwin, OS/2, DOS - case insignificant file system */
            if ((*rpi >= 'a' && *rpi <= 'z' ? *rpi - 'a' + 'A' : *rpi)
                != (*cpi >= 'a' && *cpi <= 'z' ? *cpi - 'a' + 'A' : *cpi))
              break;
#else
            if (*rpi != *cpi)
              break;
#endif
          }
        if (!same)
          break;
        /* The last pathname component was the same.  opi and cpi now point
           to the slash before it.  */
        rp = rpi;
        cp = cpi;
      }

if (rp > rel_installdir)
      {
        /* Unexpected: The curr_installdir does not end with rel_installdir.  */
        free (curr_installdir);
        return NULL;
      }

{
      size_t curr_prefix_len = cp - curr_installdir;
      char *curr_prefix;

curr_prefix = (char *) xmalloc (curr_prefix_len + 1);
#ifdef NO_XMALLOC
      if (curr_prefix == NULL)
        {
          free (curr_installdir);
          return NULL;
        }
#endif
      memcpy (curr_prefix, curr_installdir, curr_prefix_len);
      curr_prefix[curr_prefix_len] = '\0';

free (curr_installdir);

return curr_prefix;
    }
  }
}

#endif /* !IN_LIBRARY || PIC */

#if defined PIC && defined INSTALLDIR && ENABLE_COSTLY_RELOCATABLE

/* Full pathname of shared library, or NULL.  */
static char *shared_library_fullname;

#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
/* Native Windows only.
   On Cygwin, it is better to use the Cygwin provided /proc interface, than
   to use native Windows API and cygwin_conv_to_posix_path, because it
   supports longer file names
   (see <http://cygwin.com/ml/cygwin/2011-01/msg00410.html>).  */

/* Determine the full pathname of the shared library when it is loaded.  */

BOOL WINAPI
DllMain (HINSTANCE module_handle, DWORD event, LPVOID reserved)
{
  (void) reserved;

if (event == DLL_PROCESS_ATTACH)
    {
      /* The DLL is being loaded into an application's address range.  */
      static char location[MAX_PATH];

if (!GetModuleFileName (module_handle, location, sizeof (location)))
        /* Shouldn't happen.  */
        return FALSE;

if (!IS_PATH_WITH_DIR (location))
        /* Shouldn't happen.  */
        return FALSE;

shared_library_fullname = strdup (location);
    }

return TRUE;
}

#elif defined __EMX__

extern int  _CRT_init (void);
extern void _CRT_term (void);
extern void __ctordtorInit (void);
extern void __ctordtorTerm (void);

unsigned long _System
_DLL_InitTerm (unsigned long hModule, unsigned long ulFlag)
{
  static char location[CCHMAXPATH];

switch (ulFlag)
    {
      case 0:
        if (_CRT_init () == -1)
          return 0;

__ctordtorInit();

/* See http://cyberkinetica.homeunix.net/os2tk45/cp1/1247_L2H_DosQueryModuleNameSy.html
           for specification of DosQueryModuleName(). */
        if (DosQueryModuleName (hModule, sizeof (location), location))
          return 0;

_fnslashify (location);
        shared_library_fullname = strdup (location);
        break;

case 1:
        __ctordtorTerm();

_CRT_term ();
        break;
    }

return 1;
}

#else /* Unix */

static void
find_shared_library_fullname ()
{
#if (defined __linux__ && (__GLIBC__ >= 2 || defined __UCLIBC__)) || defined __CYGWIN__
  /* Linux has /proc/self/maps. glibc 2 and uClibc have the getline()
     function.
     Cygwin >= 1.5 has /proc/self/maps and the getline() function too.
     But it is costly: ca. 0.3 ms on Linux, 3 ms on Cygwin 1.5, and 5 ms on
     Cygwin 1.7.  */
  FILE *fp;

/* Open the current process' maps file.  It describes one VMA per line.  */
  fp = fopen ("/proc/self/maps", "r");
  if (fp)
    {
      unsigned long address = (unsigned long) &find_shared_library_fullname;
      for (;;)
        {
          unsigned long start, end;
          int c;

if (fscanf (fp, "%lx-%lx", &start, &end) != 2)
            break;
          if (address >= start && address <= end - 1)
            {
              /* Found it.  Now see if this line contains a filename.  */
              while (c = getc (fp), c != EOF && c != '\n' && c != '/')
                continue;
              if (c == '/')
                {
                  size_t size;
                  int len;

ungetc (c, fp);
                  shared_library_fullname = NULL; size = 0;
                  len = getline (&shared_library_fullname, &size, fp);
                  if (len >= 0)
                    {
                      /* Success: filled shared_library_fullname.  */
                      if (len > 0 && shared_library_fullname[len - 1] == '\n')
                        shared_library_fullname[len - 1] = '\0';
                    }
                }
              break;
            }
          while (c = getc (fp), c != EOF && c != '\n')
            continue;
        }
      fclose (fp);
    }
#endif
}

#endif /* Native Windows / EMX / Unix */

/* Return the full pathname of the current shared library.
   Return NULL if unknown.
   Guaranteed to work only on Linux, EMX, Cygwin, and native Windows.  */
static char *
get_shared_library_fullname ()
{
#if (!((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__) \
     && !defined __EMX__)
  static bool tried_find_shared_library_fullname;
  if (!tried_find_shared_library_fullname)
    {
      find_shared_library_fullname ();
      tried_find_shared_library_fullname = true;
    }
#endif
  return shared_library_fullname;
}

#endif /* PIC */

/* Returns the pathname, relocated according to the current installation
   directory.
   The returned string is either PATHNAME unmodified or a freshly allocated
   string that you can free with free() after casting it to 'char *'.  */
const char *
relocate (const char *pathname)
{
#if defined PIC && defined INSTALLDIR && ENABLE_COSTLY_RELOCATABLE
  static int initialized;

/* Initialization code for a shared library.  */
  if (!initialized)
    {
      /* At this point, orig_prefix and curr_prefix likely have already been
         set through the main program's set_program_name_and_installdir
         function.  This is sufficient in the case that the library has
         initially been installed in the same orig_prefix.  But we can do
         better, to also cover the cases that 1. it has been installed
         in a different prefix before being moved to orig_prefix and (later)
         to curr_prefix, 2. unlike the program, it has not moved away from
         orig_prefix.  */
      const char *orig_installprefix = INSTALLPREFIX;
      const char *orig_installdir = INSTALLDIR;
      char *curr_prefix_better;

curr_prefix_better =
        compute_curr_prefix (orig_installprefix, orig_installdir,
                             get_shared_library_fullname ());

set_relocation_prefix (orig_installprefix,
                             curr_prefix_better != NULL
                             ? curr_prefix_better
                             : curr_prefix);

if (curr_prefix_better != NULL)
        free (curr_prefix_better);

initialized = 1;
    }
#endif

/* Note: It is not necessary to perform case insensitive comparison here,
     even for DOS-like file systems, because the pathname argument was
     typically created from the same Makefile variable as orig_prefix came
     from.  */
  if (orig_prefix != NULL && curr_prefix != NULL
      && strncmp (pathname, orig_prefix, orig_prefix_len) == 0)
    {
      if (pathname[orig_prefix_len] == '\0')
        {
          /* pathname equals orig_prefix.  */
          char *result = (char *) xmalloc (strlen (curr_prefix) + 1);

#ifdef NO_XMALLOC
          if (result != NULL)
#endif
            {
              strcpy (result, curr_prefix);
              return result;
            }
        }
      else if (ISSLASH (pathname[orig_prefix_len]))
        {
          /* pathname starts with orig_prefix.  */
          const char *pathname_tail = &pathname[orig_prefix_len];
          char *result =
            (char *) xmalloc (curr_prefix_len + strlen (pathname_tail) + 1);

#ifdef NO_XMALLOC
          if (result != NULL)
#endif
            {
              memcpy (result, curr_prefix, curr_prefix_len);
              strcpy (result + curr_prefix_len, pathname_tail);
              return result;
            }
        }
    }

#ifdef __EMX__
  if (pathname && ISSLASH (pathname[0]))
    {
      const char *unixroot = getenv ("UNIXROOT");

if (unixroot && HAS_DEVICE (unixroot) && !unixroot[2])
        {
          char *result = (char *) xmalloc (2 + strlen (pathname) + 1);
#ifdef NO_XMALLOC
          if (result != NULL)
#endif
            {
              strcpy (result, unixroot);
              strcpy (result + 2, pathname);
              return result;
            }
        }
    }
#endif

/* Nothing to relocate.  */
  return pathname;
}

#endif

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