/* Implementation of the textdomain(3) function. Copyright (C) 1995, 1996, 1997, 1998 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 # ifndef strdup # define strdup(str) __strdup (str) # endif #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