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-rw-r--r--intl/bindtextdom.c199
1 files changed, 199 insertions, 0 deletions
diff --git a/intl/bindtextdom.c b/intl/bindtextdom.c
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+/* Implementation of the bindtextdomain(3) function
+ Copyright (C) 1995, 1996, 1997 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
+
+#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)
+# endif
+#endif
+
+#ifdef _LIBC
+# include <libintl.h>
+#else
+# include "libgettext.h"
+#endif
+#include "gettext.h"
+#include "gettextP.h"
+
+/* @@ 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;
+
+
+/* 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 strdup(str) __strdup (str)
+#else
+# define BINDTEXTDOMAIN bindtextdomain__
+#endif
+
+/* 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;
+{
+ struct binding *binding;
+
+ /* Some sanity checks. */
+ if (domainname == NULL || domainname[0] == '\0')
+ return NULL;
+
+ 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 (dirname == NULL)
+ /* The current binding has be to returned. */
+ return binding == NULL ? (char *) _nl_default_dirname : binding->dirname;
+
+ if (binding != NULL)
+ {
+ /* The domain is already bound. If the new value and the old
+ one are equal we simply do nothing. Otherwise replace the
+ old binding. */
+ if (strcmp (dirname, binding->dirname) != 0)
+ {
+ char *new_dirname;
+
+ if (strcmp (dirname, _nl_default_dirname) == 0)
+ new_dirname = (char *) _nl_default_dirname;
+ else
+ {
+#if defined _LIBC || defined HAVE_STRDUP
+ new_dirname = strdup (dirname);
+ if (new_dirname == NULL)
+ return NULL;
+#else
+ size_t len = strlen (dirname) + 1;
+ new_dirname = (char *) malloc (len);
+ if (new_dirname == NULL)
+ return NULL;
+
+ memcpy (new_dirname, dirname, len);
+#endif
+ }
+
+ if (binding->dirname != _nl_default_dirname)
+ free (binding->dirname);
+
+ binding->dirname = new_dirname;
+ }
+ }
+ else
+ {
+ /* We have to create a new binding. */
+ size_t len;
+ struct binding *new_binding =
+ (struct binding *) malloc (sizeof (*new_binding));
+
+ if (new_binding == NULL)
+ return NULL;
+
+#if defined _LIBC || defined HAVE_STRDUP
+ new_binding->domainname = strdup (domainname);
+ if (new_binding->domainname == NULL)
+ return NULL;
+#else
+ len = strlen (domainname) + 1;
+ new_binding->domainname = (char *) malloc (len);
+ if (new_binding->domainname == NULL)
+ return NULL;
+ memcpy (new_binding->domainname, domainname, len);
+#endif
+
+ if (strcmp (dirname, _nl_default_dirname) == 0)
+ new_binding->dirname = (char *) _nl_default_dirname;
+ else
+ {
+#if defined _LIBC || defined HAVE_STRDUP
+ new_binding->dirname = strdup (dirname);
+ if (new_binding->dirname == NULL)
+ return NULL;
+#else
+ len = strlen (dirname) + 1;
+ new_binding->dirname = (char *) malloc (len);
+ if (new_binding->dirname == NULL)
+ return NULL;
+ memcpy (new_binding->dirname, dirname, len);
+#endif
+ }
+
+ /* 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;
+ }
+
+ binding = new_binding;
+ }
+
+ return binding->dirname;
+}
+
+#ifdef _LIBC
+/* Alias for function name in GNU C Library. */
+weak_alias (__bindtextdomain, bindtextdomain);
+#endif