1 /* Implementation of the textdomain(3) function
2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
3 Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 #if defined STDC_HEADERS || defined _LIBC
27 #if defined STDC_HEADERS || defined HAVE_STRING_H || defined _LIBC
32 # define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
39 # include "libgettext.h"
42 /* @@ end of prolog @@ */
44 /* Name of the default text domain. */
45 extern const char _nl_default_default_domain[];
47 /* Default text domain in which entries for gettext(3) are to be found. */
48 extern const char *_nl_current_default_domain;
51 /* Names for the libintl functions are a problem. They must not clash
52 with existing names and they should follow ANSI C. But this source
53 code is also used in GNU C Library where the names have a __
54 prefix. So we have to make a difference here. */
56 # define TEXTDOMAIN __textdomain
58 # define TEXTDOMAIN textdomain__
61 /* Set the current default message catalog to DOMAINNAME.
62 If DOMAINNAME is null, return the current default.
63 If DOMAINNAME is "", reset to the default of "messages". */
65 TEXTDOMAIN (domainname)
66 const char *domainname;
70 /* A NULL pointer requests the current setting. */
71 if (domainname == NULL)
72 return (char *) _nl_current_default_domain;
74 old = (char *) _nl_current_default_domain;
76 /* If domain name is the null string set to default domain "messages". */
77 if (domainname[0] == '\0'
78 || strcmp (domainname, _nl_default_default_domain) == 0)
79 _nl_current_default_domain = _nl_default_default_domain;
82 /* If the following malloc fails `_nl_current_default_domain'
83 will be NULL. This value will be returned and so signals we
85 size_t len = strlen (domainname) + 1;
86 char *cp = (char *) malloc (len);
88 memcpy (cp, domainname, len);
89 _nl_current_default_domain = cp;
92 if (old != _nl_default_default_domain)
95 return (char *) _nl_current_default_domain;
99 /* Alias for function name in GNU C Library. */
100 weak_alias (__textdomain, textdomain);