| /* 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 |