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-rw-r--r--intl/bindtextdom.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/intl/bindtextdom.c b/intl/bindtextdom.c
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+/* bindtextdom.c -- implementation of the bindtextdomain(3) function
+   Copyright (C) 1995 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>
+#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
+#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.  Replace the old binding.  */
+      char *new_dirname;
+
+      if (strcmp (dirname, _nl_default_dirname) == 0)
+	new_dirname = (char *) _nl_default_dirname;
+      else
+	{
+	  size_t len = strlen (dirname) + 1;
+	  new_dirname = (char *) malloc (len);
+	  if (new_dirname == NULL)
+	    return NULL;
+
+	  memcpy (new_dirname, dirname, len);
+	}
+
+      if (strcmp (binding->dirname, _nl_default_dirname) != 0)
+        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;
+
+      len = strlen (domainname) + 1;
+      new_binding->domainname = (char *) malloc (len);
+      if (new_binding->domainname == NULL)
+	  return NULL;
+      memcpy (new_binding->domainname, domainname, len);
+
+      if (strcmp (dirname, _nl_default_dirname) == 0)
+	new_binding->dirname = (char *) _nl_default_dirname;
+      else
+	{
+	  len = strlen (dirname) + 1;
+	  new_binding->dirname = (char *) malloc (len);
+	  if (new_binding->dirname == NULL)
+	    return NULL;
+	  memcpy (new_binding->dirname, dirname, len);
+	}
+
+      /* 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