+++ /dev/null
-/* Implementation of the bindtextdomain(3) function
- Copyright (C) 1995-1998, 2000, 2001 Free Software Foundation, Inc.
-
- 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 <config.h>
-#endif
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef _LIBC
-# include <libintl.h>
-#else
-# include "libgnuintl.h"
-#endif
-#include "gettextP.h"
-
-#ifdef _LIBC
-/* We have to handle multi-threaded applications. */
-# include <bits/libc-lock.h>
-#else
-/* Provide dummy implementation if this is outside glibc. */
-# define __libc_rwlock_define(CLASS, NAME)
-# define __libc_rwlock_wrlock(NAME)
-# define __libc_rwlock_unlock(NAME)
-#endif
-
-/* The internal variables in the standalone libintl.a must have different
- names than the internal variables in GNU libc, otherwise programs
- using libintl.a cannot be linked statically. */
-#if !defined _LIBC
-# define _nl_default_dirname _nl_default_dirname__
-# define _nl_domain_bindings _nl_domain_bindings__
-#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 @@ */
-
-/* Contains the default location of the message catalogs. */
-extern const char _nl_default_dirname[];
-
-/* List with bindings of specific domains. */
-extern struct binding *_nl_domain_bindings;
-
-/* Lock variable to protect the global data in the gettext implementation. */
-__libc_rwlock_define (extern, _nl_state_lock)
-
-
-/* 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 BINDTEXTDOMAIN __bindtextdomain
-# define BIND_TEXTDOMAIN_CODESET __bind_textdomain_codeset
-# ifndef strdup
-# define strdup(str) __strdup (str)
-# endif
-#else
-# define BINDTEXTDOMAIN bindtextdomain__
-# define BIND_TEXTDOMAIN_CODESET bind_textdomain_codeset__
-#endif
-
-/* Prototypes for local functions. */
-static void set_binding_values PARAMS ((const char *domainname,
- const char **dirnamep,
- const char **codesetp));
-
-/* Specifies the directory name *DIRNAMEP and the output codeset *CODESETP
- to be used for the DOMAINNAME message catalog.
- If *DIRNAMEP or *CODESETP is NULL, the corresponding attribute is not
- modified, only the current value is returned.
- If DIRNAMEP or CODESETP is NULL, the corresponding attribute is neither
- modified nor returned. */
-static void
-set_binding_values (domainname, dirnamep, codesetp)
- const char *domainname;
- const char **dirnamep;
- const char **codesetp;
-{
- struct binding *binding;
- int modified;
-
- /* Some sanity checks. */
- if (domainname == NULL || domainname[0] == '\0')
- {
- if (dirnamep)
- *dirnamep = NULL;
- if (codesetp)
- *codesetp = NULL;
- return;
- }
-
- __libc_rwlock_wrlock (_nl_state_lock);
-
- modified = 0;
-
- 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)
- {
- if (dirnamep)
- {
- const char *dirname = *dirnamep;
-
- if (dirname == NULL)
- /* The current binding has be to returned. */
- *dirnamep = binding->dirname;
- else
- {
- /* The domain is already bound. If the new value and the old
- one are equal we simply do nothing. Otherwise replace the
- old binding. */
- char *result = binding->dirname;
- if (strcmp (dirname, result) != 0)
- {
- if (strcmp (dirname, _nl_default_dirname) == 0)
- result = (char *) _nl_default_dirname;
- else
- {
-#if defined _LIBC || defined HAVE_STRDUP
- result = strdup (dirname);
-#else
- size_t len = strlen (dirname) + 1;
- result = (char *) malloc (len);
- if (__builtin_expect (result != NULL, 1))
- memcpy (result, dirname, len);
-#endif
- }
-
- if (__builtin_expect (result != NULL, 1))
- {
- if (binding->dirname != _nl_default_dirname)
- free (binding->dirname);
-
- binding->dirname = result;
- modified = 1;
- }
- }
- *dirnamep = result;
- }
- }
-
- if (codesetp)
- {
- const char *codeset = *codesetp;
-
- if (codeset == NULL)
- /* The current binding has be to returned. */
- *codesetp = binding->codeset;
- else
- {
- /* The domain is already bound. If the new value and the old
- one are equal we simply do nothing. Otherwise replace the
- old binding. */
- char *result = binding->codeset;
- if (result == NULL || strcmp (codeset, result) != 0)
- {
-#if defined _LIBC || defined HAVE_STRDUP
- result = strdup (codeset);
-#else
- size_t len = strlen (codeset) + 1;
- result = (char *) malloc (len);
- if (__builtin_expect (result != NULL, 1))
- memcpy (result, codeset, len);
-#endif
-
- if (__builtin_expect (result != NULL, 1))
- {
- if (binding->codeset != NULL)
- free (binding->codeset);
-
- binding->codeset = result;
- binding->codeset_cntr++;
- modified = 1;
- }
- }
- *codesetp = result;
- }
- }
- }
- else if ((dirnamep == NULL || *dirnamep == NULL)
- && (codesetp == NULL || *codesetp == NULL))
- {
- /* Simply return the default values. */
- if (dirnamep)
- *dirnamep = _nl_default_dirname;
- if (codesetp)
- *codesetp = NULL;
- }
- else
- {
- /* We have to create a new binding. */
- size_t len = strlen (domainname) + 1;
- struct binding *new_binding =
- (struct binding *) malloc (offsetof (struct binding, domainname) + len);
-
- if (__builtin_expect (new_binding == NULL, 0))
- goto failed;
-
- memcpy (new_binding->domainname, domainname, len);
-
- if (dirnamep)
- {
- const char *dirname = *dirnamep;
-
- if (dirname == NULL)
- /* The default value. */
- dirname = _nl_default_dirname;
- else
- {
- if (strcmp (dirname, _nl_default_dirname) == 0)
- dirname = _nl_default_dirname;
- else
- {
- char *result;
-#if defined _LIBC || defined HAVE_STRDUP
- result = strdup (dirname);
- if (__builtin_expect (result == NULL, 0))
- goto failed_dirname;
-#else
- size_t len = strlen (dirname) + 1;
- result = (char *) malloc (len);
- if (__builtin_expect (result == NULL, 0))
- goto failed_dirname;
- memcpy (result, dirname, len);
-#endif
- dirname = result;
- }
- }
- *dirnamep = dirname;
- new_binding->dirname = (char *) dirname;
- }
- else
- /* The default value. */
- new_binding->dirname = (char *) _nl_default_dirname;
-
- new_binding->codeset_cntr = 0;
-
- if (codesetp)
- {
- const char *codeset = *codesetp;
-
- if (codeset != NULL)
- {
- char *result;
-
-#if defined _LIBC || defined HAVE_STRDUP
- result = strdup (codeset);
- if (__builtin_expect (result == NULL, 0))
- goto failed_codeset;
-#else
- size_t len = strlen (codeset) + 1;
- result = (char *) malloc (len);
- if (__builtin_expect (result == NULL, 0))
- goto failed_codeset;
- memcpy (result, codeset, len);
-#endif
- codeset = result;
- new_binding->codeset_cntr++;
- }
- *codesetp = codeset;
- new_binding->codeset = (char *) codeset;
- }
- else
- new_binding->codeset = NULL;
-
- /* Now enqueue it. */
- if (_nl_domain_bindings == NULL
- || strcmp (domainname, _nl_domain_bindings->domainname) < 0)
- {
- new_binding->next = _nl_domain_bindings;
- _nl_domain_bindings = new_binding;
- }
- else
- {
- binding = _nl_domain_bindings;
- while (binding->next != NULL
- && strcmp (domainname, binding->next->domainname) > 0)
- binding = binding->next;
-
- new_binding->next = binding->next;
- binding->next = new_binding;
- }
-
- modified = 1;
-
- /* Here we deal with memory allocation failures. */
- if (0)
- {
- failed_codeset:
- if (new_binding->dirname != _nl_default_dirname)
- free (new_binding->dirname);
- failed_dirname:
- free (new_binding);
- failed:
- if (dirnamep)
- *dirnamep = NULL;
- if (codesetp)
- *codesetp = NULL;
- }
- }
-
- /* If we modified any binding, we flush the caches. */
- if (modified)
- ++_nl_msg_cat_cntr;
-
- __libc_rwlock_unlock (_nl_state_lock);
-}
-
-/* Specify that the DOMAINNAME message catalog will be found
- in DIRNAME rather than in the system locale data base. */
-char *
-BINDTEXTDOMAIN (domainname, dirname)
- const char *domainname;
- const char *dirname;
-{
- set_binding_values (domainname, &dirname, NULL);
- return (char *) dirname;
-}
-
-/* Specify the character encoding in which the messages from the
- DOMAINNAME message catalog will be returned. */
-char *
-BIND_TEXTDOMAIN_CODESET (domainname, codeset)
- const char *domainname;
- const char *codeset;
-{
- set_binding_values (domainname, NULL, &codeset);
- return (char *) codeset;
-}
-
-#ifdef _LIBC
-/* Aliases for function names in GNU C Library. */
-weak_alias (__bindtextdomain, bindtextdomain);
-weak_alias (__bind_textdomain_codeset, bind_textdomain_codeset);
-#endif
projects / runtime.git / blobdiff