/* Implementation of the internal dcigettext function.

   Copyright (C) 1995-2018 Free Software Foundation, Inc.

   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 <string.h> to provide a prototype for mempcpy().

   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

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <sys/types.h>

#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 <errno.h>

#ifndef errno

extern int errno;

#endif

#ifndef __set_errno

# define __set_errno(val) errno = (val)

#endif

#include <stddef.h>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#if defined HAVE_UNISTD_H || defined _LIBC

# include <unistd.h>

#endif

#include <locale.h>

#ifdef _LIBC

  /* Guess whether integer division by zero raises signal SIGFPE.

     Set to 1 only if you know for sure.  In case of doubt, set to 0.  */

# if defined __alpha__ || defined __arm__ || defined __i386__ \

     || defined __m68k__ || defined __s390__

#  define INTDIV0_RAISES_SIGFPE 1

# else

#  define INTDIV0_RAISES_SIGFPE 0

# endif

#endif

#if !INTDIV0_RAISES_SIGFPE

# include <signal.h>

#endif

#if defined HAVE_SYS_PARAM_H || defined _LIBC

# include <sys/param.h>

#endif

#if !defined _LIBC

# include "localcharset.h"

#endif

#include "gettextP.h"

#include "plural-exp.h"

#ifdef _LIBC

# include <libintl.h>

#else

# ifdef IN_LIBGLOCALE

#  include <libintl.h>

# endif

# include "libgnuintl.h"

#endif

#include "hash-string.h"

/* Handle multi-threaded applications.  */

#ifdef _LIBC

# include <libc-lock.h>

# define gl_rwlock_define_initialized __libc_rwlock_define_initialized

# define gl_rwlock_rdlock __libc_rwlock_rdlock

# define gl_rwlock_wrlock __libc_rwlock_wrlock

# define gl_rwlock_unlock __libc_rwlock_unlock

#else

# include "lock.h"

#endif

/* Alignment of types.  */

#if defined __GNUC__ && __GNUC__ >= 2

# define alignof(TYPE) __alignof__ (TYPE)

#else

# define alignof(TYPE) \

    ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2)

#endif

/* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>.  */

#ifndef offsetof

# define offsetof(type,ident) ((size_t)&(((type*)0)->ident))

#endif

/* @@ end of prolog @@ */

#ifdef _LIBC

/* Rename the non ANSI C functions.  This is required by the standard

   because some ANSI C functions will require linking with this object

   file and the name space must not be polluted.  */

# define strdup __strdup

# define getcwd __getcwd

# ifndef stpcpy

#  define stpcpy __stpcpy

# endif

# define tfind __tfind

#else

# if !defined HAVE_GETCWD

char *getwd ();

#  define getcwd(buf, max) getwd (buf)

# else

#  if VMS

#   define getcwd(buf, max) (getcwd) (buf, max, 0)

#  else

char *getcwd ();

#  endif

# endif

# ifndef HAVE_STPCPY

static char *stpcpy (char *dest, const char *src);

# endif

# ifndef HAVE_MEMPCPY

static void *mempcpy (void *dest, const void *src, size_t n);

# endif

#endif

/* Use a replacement if the system does not provide the `tsearch' function

   family.  */

#if defined HAVE_TSEARCH || defined _LIBC

# include <search.h>

#else

# define tsearch libintl_tsearch

# define tfind libintl_tfind

# define tdelete libintl_tdelete

# define twalk libintl_twalk

# include "tsearch.h"

#endif

#ifdef _LIBC

# define tsearch __tsearch

#endif

/* Amount to increase buffer size by in each try.  */

#define PATH_INCR 32

/* The following is from pathmax.h.  */

/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define

   PATH_MAX but might cause redefinition warnings when sys/param.h is

   later included (as on MORE/BSD 4.3).  */

#if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__)

# include <limits.h>

#endif

#ifndef _POSIX_PATH_MAX

# define _POSIX_PATH_MAX 255

#endif

#if !defined PATH_MAX && defined _PC_PATH_MAX

# define PATH_MAX (__pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : __pathconf ("/", _PC_PATH_MAX))

#endif

/* Don't include sys/param.h if it already has been.  */

#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN

# include <sys/param.h>

#endif

#if !defined PATH_MAX && defined MAXPATHLEN

# define PATH_MAX MAXPATHLEN

#endif

#ifndef PATH_MAX

# define PATH_MAX _POSIX_PATH_MAX

#endif

/* Pathname support.

   ISSLASH(C)           tests whether C is a directory separator character.

   IS_ABSOLUTE_PATH(P)  tests whether P is an absolute path.  If it is not,

                        it may be concatenated to a directory pathname.

   IS_PATH_WITH_DIR(P)  tests whether P contains a directory specification.

 */

#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__

  /* Win32, Cygwin, 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_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))

# define IS_PATH_WITH_DIR(P) \

    (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))

#else

  /* Unix */

# define ISSLASH(C) ((C) == '/')

# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])

# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)

#endif

/* Whether to support different locales in different threads.  */

#if defined _LIBC || HAVE_USELOCALE || defined IN_LIBGLOCALE

# define HAVE_PER_THREAD_LOCALE

#endif

/* This is the type used for the search tree where known translations

   are stored.  */

struct known_translation_t

{

  /* Domain in which to search.  */

  const char *domainname;

  /* The category.  */

  int category;

#ifdef HAVE_PER_THREAD_LOCALE

  /* Name of the relevant locale category, or "" for the global locale.  */

  const char *localename;

#endif

#ifdef IN_LIBGLOCALE

  /* The character encoding.  */

  const char *encoding;

#endif

  /* State of the catalog counter at the point the string was found.  */

  int counter;

  /* Catalog where the string was found.  */

  struct loaded_l10nfile *domain;

  /* And finally the translation.  */

  const char *translation;

  size_t translation_length;

  /* Pointer to the string in question.  */

  union

    {

      char appended[ZERO];  /* used if domain != NULL */

      const char *ptr;      /* used if domain == NULL */

    }

  msgid;

};

gl_rwlock_define_initialized (static, tree_lock)

/* Root of the search tree with known translations.  */

static void *root;

/* Function to compare two entries in the table of known translations.  */

static int

transcmp (const void *p1, const void *p2)

{

  const struct known_translation_t *s1;

  const struct known_translation_t *s2;

  int result;

  s1 = (const struct known_translation_t *) p1;

  s2 = (const struct known_translation_t *) p2;

  result = strcmp (s1->domain != NULL ? s1->msgid.appended : s1->msgid.ptr,

		   s2->domain != NULL ? s2->msgid.appended : s2->msgid.ptr);

  if (result == 0)

    {

      result = strcmp (s1->domainname, s2->domainname);

      if (result == 0)

	{

#ifdef HAVE_PER_THREAD_LOCALE

	  result = strcmp (s1->localename, s2->localename);

	  if (result == 0)

#endif

	    {

#ifdef IN_LIBGLOCALE

	      result = strcmp (s1->encoding, s2->encoding);

	      if (result == 0)

#endif

		/* We compare the category last (though this is the cheapest

		   operation) since it is hopefully always the same (namely

		   LC_MESSAGES).  */

		result = s1->category - s2->category;

	    }

	}

    }

  return result;

}

/* Name of the default domain used for gettext(3) prior any call to

   textdomain(3).  The default value for this is "messages".  */

const char _nl_default_default_domain[] attribute_hidden = "messages";

#ifndef IN_LIBGLOCALE

/* Value used as the default domain for gettext(3).  */

const char *_nl_current_default_domain attribute_hidden

     = _nl_default_default_domain;

#endif

/* Contains the default location of the message catalogs.  */

#if defined __EMX__

extern const char _nl_default_dirname[];

#else

# ifdef _LIBC

extern const char _nl_default_dirname[];

libc_hidden_proto (_nl_default_dirname)

# endif

const char _nl_default_dirname[] = LOCALEDIR;

# ifdef _LIBC

libc_hidden_data_def (_nl_default_dirname)

# endif

#endif

#ifndef IN_LIBGLOCALE

/* List with bindings of specific domains created by bindtextdomain()

   calls.  */

struct binding *_nl_domain_bindings;

#endif

/* Prototypes for local functions.  */

static char *plural_lookup (struct loaded_l10nfile *domain,

			    unsigned long int n,

			    const char *translation, size_t translation_len);

#ifdef IN_LIBGLOCALE

static const char *guess_category_value (int category,

					 const char *categoryname,

					 const char *localename);

#else

static const char *guess_category_value (int category,

					 const char *categoryname);

#endif

#ifdef _LIBC

# include "../locale/localeinfo.h"

# define category_to_name(category) \

  _nl_category_names.str + _nl_category_name_idxs[category]

#else

static const char *category_to_name (int category);

#endif

#if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE

static const char *get_output_charset (struct binding *domainbinding);

#endif

/* For those losing systems which don't have `alloca' we have to add

   some additional code emulating it.  */

#ifdef HAVE_ALLOCA

/* Nothing has to be done.  */

# define freea(p) /* nothing */

# define ADD_BLOCK(list, address) /* nothing */

# define FREE_BLOCKS(list) /* nothing */

#else

struct block_list

{

  void *address;

  struct block_list *next;

};

# define ADD_BLOCK(list, addr)						      \

  do {									      \

    struct block_list *newp = (struct block_list *) malloc (sizeof (*newp));  \

    /* If we cannot get a free block we cannot add the new element to	      \

       the list.  */							      \

    if (newp != NULL) {							      \

      newp->address = (addr);						      \

      newp->next = (list);						      \

      (list) = newp;							      \

    }									      \

  } while (0)

# define FREE_BLOCKS(list)						      \

  do {									      \

    while (list != NULL) {						      \

      struct block_list *old = list;					      \

      list = list->next;						      \

      free (old->address);						      \

      free (old);							      \

    }									      \

  } while (0)

# undef alloca

# define alloca(size) (malloc (size))

# define freea(p) free (p)

#endif	/* have alloca */

#ifdef _LIBC

/* List of blocks allocated for translations.  */

typedef struct transmem_list

{

  struct transmem_list *next;

  char data[ZERO];

} transmem_block_t;

static struct transmem_list *transmem_list;

#else

typedef unsigned char transmem_block_t;

#endif

/* Names for the libintl functions are a problem.  They must not clash

   with existing names and they should follow ANSI C.  But this source

   code is also used in GNU C Library where the names have a __

   prefix.  So we have to make a difference here.  */

#ifdef _LIBC

# define DCIGETTEXT __dcigettext

#else

# define DCIGETTEXT libintl_dcigettext

#endif

/* Lock variable to protect the global data in the gettext implementation.  */

gl_rwlock_define_initialized (, _nl_state_lock attribute_hidden)

/* Checking whether the binaries runs SUID must be done and glibc provides

   easier methods therefore we make a difference here.  */

#ifdef _LIBC

# define ENABLE_SECURE __libc_enable_secure

# define DETERMINE_SECURE

#else

# ifndef HAVE_GETUID

#  define getuid() 0

# endif

# ifndef HAVE_GETGID

#  define getgid() 0

# endif

# ifndef HAVE_GETEUID

#  define geteuid() getuid()

# endif

# ifndef HAVE_GETEGID

#  define getegid() getgid()

# endif

static int enable_secure;

# define ENABLE_SECURE (enable_secure == 1)

# define DETERMINE_SECURE \

  if (enable_secure == 0)						      \

    {									      \

      if (getuid () != geteuid () || getgid () != getegid ())		      \

	enable_secure = 1;						      \

      else								      \

	enable_secure = -1;						      \

    }

#endif

/* Get the function to evaluate the plural expression.  */

#include "eval-plural.h"

/* Look up MSGID in the DOMAINNAME message catalog for the current

   CATEGORY locale and, if PLURAL is nonzero, search over string

   depending on the plural form determined by N.  */

#ifdef IN_LIBGLOCALE

char *

gl_dcigettext (const char *domainname,

	       const char *msgid1, const char *msgid2,

	       int plural, unsigned long int n,

	       int category,

	       const char *localename, const char *encoding)

#else

char *

DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2,

	    int plural, unsigned long int n, int category)

#endif

{

#ifndef HAVE_ALLOCA

  struct block_list *block_list = NULL;

#endif

  struct loaded_l10nfile *domain;

  struct binding *binding;

  const char *categoryname;

  const char *categoryvalue;

  const char *dirname;

  char *xdirname = NULL;

  char *xdomainname;

  char *single_locale;

  char *retval;

  size_t retlen;

  int saved_errno;

  struct known_translation_t search;

  struct known_translation_t **foundp = NULL;

#if defined HAVE_PER_THREAD_LOCALE && !defined IN_LIBGLOCALE

  const char *localename;

#endif

  size_t domainname_len;

  /* If no real MSGID is given return NULL.  */

  if (msgid1 == NULL)

    return NULL;

#ifdef _LIBC

  if (category < 0 || category >= __LC_LAST || category == LC_ALL)

    /* Bogus.  */

    return (plural == 0

	    ? (char *) msgid1

	    /* Use the Germanic plural rule.  */

	    : n == 1 ? (char *) msgid1 : (char *) msgid2);

#endif

  /* Preserve the `errno' value.  */

  saved_errno = errno;

#ifdef _LIBC

  __libc_rwlock_define (extern, __libc_setlocale_lock attribute_hidden)

  __libc_rwlock_rdlock (__libc_setlocale_lock);

#endif

  gl_rwlock_rdlock (_nl_state_lock);

  /* If DOMAINNAME is NULL, we are interested in the default domain.  If

     CATEGORY is not LC_MESSAGES this might not make much sense but the

     definition left this undefined.  */

  if (domainname == NULL)

    domainname = _nl_current_default_domain;

  /* OS/2 specific: backward compatibility with older libintl versions  */

#ifdef LC_MESSAGES_COMPAT

  if (category == LC_MESSAGES_COMPAT)

    category = LC_MESSAGES;

#endif

  /* Try to find the translation among those which we found at

     some time.  */

  search.domain = NULL;

  search.msgid.ptr = msgid1;

  search.domainname = domainname;

  search.category = category;

#ifdef HAVE_PER_THREAD_LOCALE

# ifndef IN_LIBGLOCALE

#  ifdef _LIBC

  localename = __current_locale_name (category);

#  else

  categoryname = category_to_name (category);

#   define CATEGORYNAME_INITIALIZED

  localename = _nl_locale_name_thread_unsafe (category, categoryname);

  if (localename == NULL)

    localename = "";

#  endif

# endif

  search.localename = localename;

# ifdef IN_LIBGLOCALE

  search.encoding = encoding;

# endif

  /* Since tfind/tsearch manage a balanced tree, concurrent tfind and

     tsearch calls can be fatal.  */

  gl_rwlock_rdlock (tree_lock);

  foundp = (struct known_translation_t **) tfind (&search, &root, transcmp);

  gl_rwlock_unlock (tree_lock);

  if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr)

    {

      /* Now deal with plural.  */

      if (plural)

	retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation,

				(*foundp)->translation_length);

      else

	retval = (char *) (*foundp)->translation;

      gl_rwlock_unlock (_nl_state_lock);

# ifdef _LIBC

      __libc_rwlock_unlock (__libc_setlocale_lock);

# endif

      __set_errno (saved_errno);

      return retval;

    }

#endif

  /* See whether this is a SUID binary or not.  */

  DETERMINE_SECURE;

  /* First find matching binding.  */

#ifdef IN_LIBGLOCALE

  /* We can use a trivial binding, since _nl_find_msg will ignore it anyway,

     and _nl_load_domain and _nl_find_domain just pass it through.  */

  binding = NULL;

  dirname = bindtextdomain (domainname, NULL);

#else

  for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)

    {

      int compare = strcmp (domainname, binding->domainname);

      if (compare == 0)

	/* We found it!  */

	break;

      if (compare < 0)

	{

	  /* It is not in the list.  */

	  binding = NULL;

	  break;

	}

    }

  if (binding == NULL)

    dirname = _nl_default_dirname;

  else

    {

      dirname = binding->dirname;

#endif

      if (!IS_ABSOLUTE_PATH (dirname))

	{

	  /* We have a relative path.  Make it absolute now.  */

	  char *cwd = getcwd (NULL, 0);

	  if (cwd == NULL)

	    /* We cannot get the current working directory.  Don't

	       signal an error but simply return the default

	       string.  */

	    goto return_untranslated;

	  int ret = __asprintf (&xdirname, "%s/%s", cwd, dirname);

	  free (cwd);

	  if (ret < 0)

	      return NULL;

	  dirname = xdirname;

	}

#ifndef IN_LIBGLOCALE

    }

#endif

  /* Now determine the symbolic name of CATEGORY and its value.  */

#ifndef CATEGORYNAME_INITIALIZED

  categoryname = category_to_name (category);

#endif

#ifdef IN_LIBGLOCALE

  categoryvalue = guess_category_value (category, categoryname, localename);

#else

  categoryvalue = guess_category_value (category, categoryname);

#endif

  domainname_len = strlen (domainname);

  xdomainname = (char *) alloca (strlen (categoryname)

				 + domainname_len + 5);

  ADD_BLOCK (block_list, xdomainname);

  stpcpy ((char *) mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"),

			    domainname, domainname_len),

	  ".mo");

  /* Creating working area.  */

  single_locale = (char *) alloca (strlen (categoryvalue) + 1);

  ADD_BLOCK (block_list, single_locale);

  /* Search for the given string.  This is a loop because we perhaps

     got an ordered list of languages to consider for the translation.  */

  while (1)

    {

      /* Make CATEGORYVALUE point to the next element of the list.  */

      while (categoryvalue[0] != '\0' && categoryvalue[0] == ':')

	++categoryvalue;

      if (categoryvalue[0] == '\0')

	{

	  /* The whole contents of CATEGORYVALUE has been searched but

	     no valid entry has been found.  We solve this situation

	     by implicitly appending a "C" entry, i.e. no translation

	     will take place.  */

	  single_locale[0] = 'C';

	  single_locale[1] = '\0';

	}

      else

	{

	  char *cp = single_locale;

	  while (categoryvalue[0] != '\0' && categoryvalue[0] != ':')

	    *cp++ = *categoryvalue++;

	  *cp = '\0';

	  /* When this is a SUID binary we must not allow accessing files

	     outside the dedicated directories.  */

	  if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale))

	    /* Ingore this entry.  */

	    continue;

	}

      /* If the current locale value is C (or POSIX) we don't load a

	 domain.  Return the MSGID.  */

      if (strcmp (single_locale, "C") == 0

	  || strcmp (single_locale, "POSIX") == 0)

	break;

      /* Find structure describing the message catalog matching the

	 DOMAINNAME and CATEGORY.  */

      domain = _nl_find_domain (dirname, single_locale, xdomainname, binding);

      if (domain != NULL)

	{

#if defined IN_LIBGLOCALE

	  retval = _nl_find_msg (domain, binding, encoding, msgid1, &retlen);

#else

	  retval = _nl_find_msg (domain, binding, msgid1, 1, &retlen);

#endif

	  if (retval == NULL)

	    {

	      int cnt;

	      for (cnt = 0; domain->successor[cnt] != NULL; ++cnt)

		{

#if defined IN_LIBGLOCALE

		  retval = _nl_find_msg (domain->successor[cnt], binding,

					 encoding, msgid1, &retlen);

#else

		  retval = _nl_find_msg (domain->successor[cnt], binding,

					 msgid1, 1, &retlen);

#endif

		  /* Resource problems are not fatal, instead we return no

		     translation.  */

		  if (__builtin_expect (retval == (char *) -1, 0))

		    goto return_untranslated;

		  if (retval != NULL)

		    {

		      domain = domain->successor[cnt];

		      break;

		    }

		}

	    }

	  /* Returning -1 means that some resource problem exists

	     (likely memory) and that the strings could not be

	     converted.  Return the original strings.  */

	  if (__builtin_expect (retval == (char *) -1, 0))

	    break;

	  if (retval != NULL)

	    {

	      /* Found the translation of MSGID1 in domain DOMAIN:

		 starting at RETVAL, RETLEN bytes.  */

	      free (xdirname);

	      FREE_BLOCKS (block_list);

	      if (foundp == NULL)

		{

		  /* Create a new entry and add it to the search tree.  */

		  size_t msgid_len;

		  size_t size;

		  struct known_translation_t *newp;

		  msgid_len = strlen (msgid1) + 1;

		  size = offsetof (struct known_translation_t, msgid)

			 + msgid_len + domainname_len + 1;

#ifdef HAVE_PER_THREAD_LOCALE

		  size += strlen (localename) + 1;

#endif

		  newp = (struct known_translation_t *) malloc (size);

		  if (newp != NULL)

		    {

		      char *new_domainname;

#ifdef HAVE_PER_THREAD_LOCALE

		      char *new_localename;

#endif

		      new_domainname =

			(char *) mempcpy (newp->msgid.appended, msgid1,

					  msgid_len);

		      memcpy (new_domainname, domainname, domainname_len + 1);

#ifdef HAVE_PER_THREAD_LOCALE

		      new_localename = new_domainname + domainname_len + 1;

		      strcpy (new_localename, localename);

#endif

		      newp->domainname = new_domainname;

		      newp->category = category;

#ifdef HAVE_PER_THREAD_LOCALE

		      newp->localename = new_localename;

#endif

#ifdef IN_LIBGLOCALE

		      newp->encoding = encoding;

#endif

		      newp->counter = _nl_msg_cat_cntr;

		      newp->domain = domain;

		      newp->translation = retval;

		      newp->translation_length = retlen;

		      gl_rwlock_wrlock (tree_lock);

		      /* Insert the entry in the search tree.  */

		      foundp = (struct known_translation_t **)

			tsearch (newp, &root, transcmp);

		      gl_rwlock_unlock (tree_lock);

		      if (foundp == NULL

			  || __builtin_expect (*foundp != newp, 0))

			/* The insert failed.  */

			free (newp);

		    }

		}

	      else

		{

		  /* We can update the existing entry.  */

		  (*foundp)->counter = _nl_msg_cat_cntr;

		  (*foundp)->domain = domain;

		  (*foundp)->translation = retval;

		  (*foundp)->translation_length = retlen;

		}

	      __set_errno (saved_errno);

	      /* Now deal with plural.  */

	      if (plural)

		retval = plural_lookup (domain, n, retval, retlen);

	      gl_rwlock_unlock (_nl_state_lock);

#ifdef _LIBC

	      __libc_rwlock_unlock (__libc_setlocale_lock);

#endif

	      return retval;

	    }

	}

    }

 return_untranslated:

  /* Return the untranslated MSGID.  */

  free (xdirname);

  FREE_BLOCKS (block_list);

  gl_rwlock_unlock (_nl_state_lock);

#ifdef _LIBC

  __libc_rwlock_unlock (__libc_setlocale_lock);

#endif

#ifndef _LIBC

  if (!ENABLE_SECURE)

    {

      extern void _nl_log_untranslated (const char *logfilename,

					const char *domainname,

					const char *msgid1, const char *msgid2,

					int plural);

      const char *logfilename = getenv ("GETTEXT_LOG_UNTRANSLATED");

      if (logfilename != NULL && logfilename[0] != '\0')

	_nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural);

    }

#endif

  __set_errno (saved_errno);

  return (plural == 0

	  ? (char *) msgid1

	  /* Use the Germanic plural rule.  */

	  : n == 1 ? (char *) msgid1 : (char *) msgid2);

}

/* Look up the translation of msgid within DOMAIN_FILE and DOMAINBINDING.

   Return it if found.  Return NULL if not found or in case of a conversion

   failure (problem in the particular message catalog).  Return (char *) -1

   in case of a memory allocation failure during conversion (only if

   ENCODING != NULL resp. CONVERT == true).  */

char *

#ifdef IN_LIBGLOCALE

_nl_find_msg (struct loaded_l10nfile *domain_file,

	      struct binding *domainbinding, const char *encoding,

	      const char *msgid,

	      size_t *lengthp)

#else

_nl_find_msg (struct loaded_l10nfile *domain_file,

	      struct binding *domainbinding,

	      const char *msgid, int convert,

	      size_t *lengthp)

#endif

{

  struct loaded_domain *domain;

  nls_uint32 nstrings;