| /* Implementation of the textdomain(3) function |
| Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. |
| Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. |
| |
| 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> |
| #endif |
| |
| #if defined STDC_HEADERS || 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 |
| |
| /* @@ end of prolog @@ */ |
| |
| /* Name of the default text domain. */ |
| extern const char _nl_default_default_domain[]; |
| |
| /* Default text domain in which entries for gettext(3) are to be found. */ |
| extern const char *_nl_current_default_domain; |
| |
| |
| /* 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 TEXTDOMAIN __textdomain |
| # define strdup(str) __strdup (str) |
| #else |
| # define TEXTDOMAIN textdomain__ |
| #endif |
| |
| /* Set the current default message catalog to DOMAINNAME. |
| If DOMAINNAME is null, return the current default. |
| If DOMAINNAME is "", reset to the default of "messages". */ |
| char * |
| TEXTDOMAIN (domainname) |
| const char *domainname; |
| { |
| char *old; |
| |
| /* A NULL pointer requests the current setting. */ |
| if (domainname == NULL) |
| return (char *) _nl_current_default_domain; |
| |
| old = (char *) _nl_current_default_domain; |
| |
| /* If domain name is the null string set to default domain "messages". */ |
| if (domainname[0] == '\0' |
| || strcmp (domainname, _nl_default_default_domain) == 0) |
| _nl_current_default_domain = _nl_default_default_domain; |
| else |
| { |
| /* If the following malloc fails `_nl_current_default_domain' |
| will be NULL. This value will be returned and so signals we |
| are out of core. */ |
| #if defined _LIBC || defined HAVE_STRDUP |
| _nl_current_default_domain = strdup (domainname); |
| #else |
| size_t len = strlen (domainname) + 1; |
| char *cp = (char *) malloc (len); |
| if (cp != NULL) |
| memcpy (cp, domainname, len); |
| _nl_current_default_domain = cp; |
| #endif |
| } |
| |
| if (old != _nl_default_default_domain) |
| free (old); |
| |
| return (char *) _nl_current_default_domain; |
| } |
| |
| #ifdef _LIBC |
| /* Alias for function name in GNU C Library. */ |
| weak_alias (__textdomain, textdomain); |
| #endif |