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/* 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
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