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-rw-r--r--intl/cat-compat.c262
1 files changed, 262 insertions, 0 deletions
diff --git a/intl/cat-compat.c b/intl/cat-compat.c
new file mode 100644
index 00000000000..867d901b8ff
--- /dev/null
+++ b/intl/cat-compat.c
@@ -0,0 +1,262 @@
+/* Compatibility code for gettext-using-catgets interface.
+ Copyright (C) 1995, 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
+
+#include <stdio.h>
+
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <string.h>
+#else
+char *getenv ();
+# ifdef HAVE_MALLOC_H
+# include <malloc.h>
+# endif
+#endif
+
+#ifdef HAVE_NL_TYPES_H
+# include <nl_types.h>
+#endif
+
+#include "libgettext.h"
+
+/* @@ end of prolog @@ */
+
+/* XPG3 defines the result of `setlocale (category, NULL)' as:
+ ``Directs `setlocale()' to query `category' and return the current
+ setting of `local'.''
+ However it does not specify the exact format. And even worse: POSIX
+ defines this not at all. So we can use this feature only on selected
+ system (e.g. those using GNU C Library). */
+#ifdef _LIBC
+# define HAVE_LOCALE_NULL
+#endif
+
+/* The catalog descriptor. */
+static nl_catd catalog = (nl_catd) -1;
+
+/* Name of the default catalog. */
+static const char default_catalog_name[] = "messages";
+
+/* Name of currently used catalog. */
+static const char *catalog_name = default_catalog_name;
+
+/* Get ID for given string. If not found return -1. */
+static int msg_to_cat_id PARAMS ((const char *msg));
+
+/* Substitution for systems lacking this function in their C library. */
+#if !_LIBC && !HAVE_STPCPY
+static char *stpcpy PARAMS ((char *dest, const char *src));
+#endif
+
+
+/* Set currently used domain/catalog. */
+char *
+textdomain (domainname)
+ const char *domainname;
+{
+ nl_catd new_catalog;
+ char *new_name;
+ size_t new_name_len;
+ char *lang;
+
+#if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES \
+ && defined HAVE_LOCALE_NULL
+ lang = setlocale (LC_MESSAGES, NULL);
+#else
+ lang = getenv ("LC_ALL");
+ if (lang == NULL || lang[0] == '\0')
+ {
+ lang = getenv ("LC_MESSAGES");
+ if (lang == NULL || lang[0] == '\0')
+ lang = getenv ("LANG");
+ }
+#endif
+ if (lang == NULL || lang[0] == '\0')
+ lang = "C";
+
+ /* See whether name of currently used domain is asked. */
+ if (domainname == NULL)
+ return (char *) catalog_name;
+
+ if (domainname[0] == '\0')
+ domainname = default_catalog_name;
+
+ /* Compute length of added path element. */
+ new_name_len = sizeof (LOCALEDIR) - 1 + 1 + strlen (lang)
+ + sizeof ("/LC_MESSAGES/") - 1 + sizeof (PACKAGE) - 1
+ + sizeof (".cat");
+
+ new_name = (char *) malloc (new_name_len);
+ if (new_name == NULL)
+ return NULL;
+
+ strcpy (new_name, PACKAGE);
+ new_catalog = catopen (new_name, 0);
+
+ if (new_catalog == (nl_catd) -1)
+ {
+ /* NLSPATH search didn't work, try absolute path */
+ sprintf (new_name, "%s/%s/LC_MESSAGES/%s.cat", LOCALEDIR, lang,
+ PACKAGE);
+ new_catalog = catopen (new_name, 0);
+
+ if (new_catalog == (nl_catd) -1)
+ {
+ free (new_name);
+ return (char *) catalog_name;
+ }
+ }
+
+ /* Close old catalog. */
+ if (catalog != (nl_catd) -1)
+ catclose (catalog);
+ if (catalog_name != default_catalog_name)
+ free ((char *) catalog_name);
+
+ catalog = new_catalog;
+ catalog_name = new_name;
+
+ return (char *) catalog_name;
+}
+
+char *
+bindtextdomain (domainname, dirname)
+ const char *domainname;
+ const char *dirname;
+{
+#if HAVE_SETENV || HAVE_PUTENV
+ char *old_val, *new_val, *cp;
+ size_t new_val_len;
+
+ /* This does not make much sense here but to be compatible do it. */
+ if (domainname == NULL)
+ return NULL;
+
+ /* Compute length of added path element. If we use setenv we don't need
+ the first byts for NLSPATH=, but why complicate the code for this
+ peanuts. */
+ new_val_len = sizeof ("NLSPATH=") - 1 + strlen (dirname)
+ + sizeof ("/%L/LC_MESSAGES/%N.cat");
+
+ old_val = getenv ("NLSPATH");
+ if (old_val == NULL || old_val[0] == '\0')
+ {
+ old_val = NULL;
+ new_val_len += 1 + sizeof (LOCALEDIR) - 1
+ + sizeof ("/%L/LC_MESSAGES/%N.cat");
+ }
+ else
+ new_val_len += strlen (old_val);
+
+ new_val = (char *) malloc (new_val_len);
+ if (new_val == NULL)
+ return NULL;
+
+# if HAVE_SETENV
+ cp = new_val;
+# else
+ cp = stpcpy (new_val, "NLSPATH=");
+# endif
+
+ cp = stpcpy (cp, dirname);
+ cp = stpcpy (cp, "/%L/LC_MESSAGES/%N.cat:");
+
+ if (old_val == NULL)
+ {
+# if __STDC__
+ stpcpy (cp, LOCALEDIR "/%L/LC_MESSAGES/%N.cat");
+# else
+
+ cp = stpcpy (cp, LOCALEDIR);
+ stpcpy (cp, "/%L/LC_MESSAGES/%N.cat");
+# endif
+ }
+ else
+ stpcpy (cp, old_val);
+
+# if HAVE_SETENV
+ setenv ("NLSPATH", new_val, 1);
+ free (new_val);
+# else
+ putenv (new_val);
+ /* Do *not* free the environment entry we just entered. It is used
+ from now on. */
+# endif
+
+#endif
+
+ return (char *) domainname;
+}
+
+#undef gettext
+char *
+gettext (msg)
+ const char *msg;
+{
+ int msgid;
+
+ if (msg == NULL || catalog == (nl_catd) -1)
+ return (char *) msg;
+
+ /* Get the message from the catalog. We always use set number 1.
+ The message ID is computed by the function `msg_to_cat_id'
+ which works on the table generated by `po-to-tbl'. */
+ msgid = msg_to_cat_id (msg);
+ if (msgid == -1)
+ return (char *) msg;
+
+ return catgets (catalog, 1, msgid, (char *) msg);
+}
+
+/* Look through the table `_msg_tbl' which has `_msg_tbl_length' entries
+ for the one equal to msg. If it is found return the ID. In case when
+ the string is not found return -1. */
+static int
+msg_to_cat_id (msg)
+ const char *msg;
+{
+ int cnt;
+
+ for (cnt = 0; cnt < _msg_tbl_length; ++cnt)
+ if (strcmp (msg, _msg_tbl[cnt]._msg) == 0)
+ return _msg_tbl[cnt]._msg_number;
+
+ return -1;
+}
+
+
+/* @@ begin of epilog @@ */
+
+/* We don't want libintl.a to depend on any other library. So we
+ avoid the non-standard function stpcpy. In GNU C Library this
+ function is available, though. Also allow the symbol HAVE_STPCPY
+ to be defined. */
+#if !_LIBC && !HAVE_STPCPY
+static char *
+stpcpy (dest, src)
+ char *dest;
+ const char *src;
+{
+ while ((*dest++ = *src++) != '\0')
+ /* Do nothing. */ ;
+ return dest - 1;
+}
+#endif