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
57
# define strdup(str) __strdup (str)
59
# define TEXTDOMAIN textdomain__
62
/* Set the current default message catalog to DOMAINNAME.
63
If DOMAINNAME is null, return the current default.
64
If DOMAINNAME is "", reset to the default of "messages". */
66
TEXTDOMAIN (domainname)
67
const char *domainname;
71
/* A NULL pointer requests the current setting. */
72
if (domainname == NULL)
73
return (char *) _nl_current_default_domain;
75
old = (char *) _nl_current_default_domain;
77
/* If domain name is the null string set to default domain "messages". */
78
if (domainname[0] == '\0'
79
|| strcmp (domainname, _nl_default_default_domain) == 0)
80
_nl_current_default_domain = _nl_default_default_domain;
83
/* If the following malloc fails `_nl_current_default_domain'
84
will be NULL. This value will be returned and so signals we
86
#if defined _LIBC || defined HAVE_STRDUP
87
_nl_current_default_domain = strdup (domainname);
89
size_t len = strlen (domainname) + 1;
90
char *cp = (char *) malloc (len);
92
memcpy (cp, domainname, len);
93
_nl_current_default_domain = cp;
97
if (old != _nl_default_default_domain)
100
return (char *) _nl_current_default_domain;
104
/* Alias for function name in GNU C Library. */
105
weak_alias (__textdomain, textdomain);