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#include <newlib.h>

#ifdef _MB_CAPABLE

/* Handle list of needed message catalogs

   Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Written by Ulrich Drepper <drepper@gnu.org>, 1995.

   The GNU C Library 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.

   The GNU C Library 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 the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <stdio.h>

#include <sys/types.h>

#if defined STDC_HEADERS || defined _LIBC

# include <stdlib.h>

#else

# ifdef HAVE_MALLOC_H

#  include <malloc.h>

# else

void free ();

# endif

#endif

#if defined HAVE_STRING_H || defined _LIBC

# include <string.h>

#else

# include <strings.h>

# ifndef memcpy

#  define memcpy(Dst, Src, Num) (bcopy (Src, Dst, Num), (Dst))

# endif

#endif

#if defined HAVE_UNISTD_H || defined _LIBC

# include <unistd.h>

#endif

#include "gettextP.h"

#ifdef _LIBC

# include <libintl.h>

#else

# include "libgnuintl.h"

#endif

/* @@ end of prolog @@ */

/* List of already loaded domains.  */

static struct loaded_l10nfile *_nl_loaded_domains;

/* Return a data structure describing the message catalog described by

   the DOMAINNAME and CATEGORY parameters with respect to the currently

   established bindings.  */

struct loaded_l10nfile *

internal_function

_nl_find_domain (dirname, locale, domainname, domainbinding)

     const char *dirname;

     char *locale;

     const char *domainname;

     struct binding *domainbinding;

{

  struct loaded_l10nfile *retval;

  const char *language;

  const char *modifier;

  const char *territory;

  const char *codeset;

  const char *normalized_codeset;

  const char *special;

  const char *sponsor;

  const char *revision;

  const char *alias_value;

  int mask;

  /* LOCALE can consist of up to four recognized parts for the XPG syntax:

                language[_territory[.codeset]][@modifier]

     and six parts for the CEN syntax:

        language[_territory][+audience][+special][,[sponsor][_revision]]

     Beside the first part all of them are allowed to be missing.  If

     the full specified locale is not found, the less specific one are

     looked for.  The various parts will be stripped off according to

     the following order:

                (1) revision

                (2) sponsor

                (3) special

                (4) codeset

                (5) normalized codeset

                (6) territory

                (7) audience/modifier

   */

  /* If we have already tested for this locale entry there has to

     be one data set in the list of loaded domains.  */

  retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname,

                               strlen (dirname) + 1, 0, locale, NULL, NULL,

                               NULL, NULL, NULL, NULL, NULL, domainname, 0);

  if (retval != NULL)

    {

      /* We know something about this locale.  */

      int cnt;

      if (retval->decided == 0)

        _nl_load_domain (retval, domainbinding);

      if (retval->data != NULL)

        return retval;

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

        {

          if (retval->successor[cnt]->decided == 0)

            _nl_load_domain (retval->successor[cnt], domainbinding);

          if (retval->successor[cnt]->data != NULL)

            break;

        }

      return cnt >= 0 ? retval : NULL;

      /* NOTREACHED */

    }

  /* See whether the locale value is an alias.  If yes its value

     *overwrites* the alias name.  No test for the original value is

     done.  */

  alias_value = _nl_expand_alias (locale);

  if (alias_value != NULL)

    {

#if defined _LIBC || defined HAVE_STRDUP

      locale = strdup (alias_value);

      if (locale == NULL)

        return NULL;

#else

      size_t len = strlen (alias_value) + 1;

      locale = (char *) malloc (len);

      if (locale == NULL)

        return NULL;

      memcpy (locale, alias_value, len);

#endif

    }

  /* Now we determine the single parts of the locale name.  First

     look for the language.  Termination symbols are `_' and `@' if

     we use XPG4 style, and `_', `+', and `,' if we use CEN syntax.  */

  mask = _nl_explode_name (locale, &language, &modifier, &territory,

                           &codeset, &normalized_codeset, &special,

                           &sponsor, &revision);

  /* Create all possible locale entries which might be interested in

     generalization.  */

  retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname,

                               strlen (dirname) + 1, mask, language, territory,

                               codeset, normalized_codeset, modifier, special,

                               sponsor, revision, domainname, 1);

  if (retval == NULL)

    /* This means we are out of core.  */

    return NULL;

  if (retval->decided == 0)

    _nl_load_domain (retval, domainbinding);

  if (retval->data == NULL)

    {

      int cnt;

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

        {

          if (retval->successor[cnt]->decided == 0)

            _nl_load_domain (retval->successor[cnt], domainbinding);

          if (retval->successor[cnt]->data != NULL)

            break;

        }

    }

  /* The room for an alias was dynamically allocated.  Free it now.  */

  if (alias_value != NULL)

    free (locale);

  /* The space for normalized_codeset is dynamically allocated.  Free it.  */

  if (mask & XPG_NORM_CODESET)

    free ((void *) normalized_codeset);

  return retval;

}

#ifdef _LIBC

static void __attribute__ ((unused))

free_mem (void)

{

  struct loaded_l10nfile *runp = _nl_loaded_domains;

  while (runp != NULL)

    {

      struct loaded_l10nfile *here = runp;

      if (runp->data != NULL)

        _nl_unload_domain ((struct loaded_domain *) runp->data);

      runp = runp->next;

      free ((char *) here->filename);

      free (here);

    }

}

text_set_element (__libc_subfreeres, free_mem);

#endif

#endif /* _MB_CAPABLE */