www.pudn.com > gedit-2.8.3.rar > finddomain.c

/* Handle list of needed message catalogs 
   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc. 
   Written by Ulrich Drepper , 1995. 
 
   This program is free software; you can redistribute it and/or modify 
   it under the terms of the GNU General Public License as published by 
   the Free Software Foundation; either version 2, 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 General Public License for more details. 
 
   You should have received a copy of the GNU General Public License 
   along with this program; if not, write to the Free Software Foundation, 
   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */ 
 
#ifdef HAVE_CONFIG_H 
# include  
#endif 
 
#include  
#include  
#include  
#include  
 
#if defined STDC_HEADERS || defined _LIBC 
# include  
#else 
# ifdef HAVE_MALLOC_H 
#  include  
# else 
void free (); 
# endif 
#endif 
 
#if defined HAVE_STRING_H || defined _LIBC 
# include  
#else 
# include  
# ifndef memcpy 
#  define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num) 
# endif 
#endif 
#if !HAVE_STRCHR && !defined _LIBC 
# ifndef strchr 
#  define strchr index 
# endif 
#endif 
 
#if defined HAVE_UNISTD_H || defined _LIBC 
# include  
#endif 
 
#include "gettext.h" 
#include "gettextP.h" 
#ifdef _LIBC 
# include  
#else 
# include "libgettext.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) 
     const char *dirname; 
     char *locale; 
     const char *domainname; 
{ 
  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); 
 
      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]); 
 
	  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); 
  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]); 
	  if (retval->successor[cnt]->data != NULL) 
	    break; 
	} 
    } 
 
  /* The room for an alias was dynamically allocated.  Free it now.  */ 
  if (alias_value != NULL) 
    free (locale); 
 
  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 (here); 
    } 
} 
 
text_set_element (__libc_subfreeres, free_mem); 
#endif