1/* libgettext.h -- Message catalogs for internationalization.
2Copyright (C) 1995 Free Software Foundation, Inc.
3This file is part of the GNU C Library.
4Contributed by Ulrich Drepper.
5This file is derived from the file libgettext.h in the GNU gettext package.
6
7The GNU C Library is free software; you can redistribute it and/or
8modify it under the terms of the GNU Library General Public License as
9published by the Free Software Foundation; either version 2 of the
10License, or (at your option) any later version.
11
12The GNU C Library is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15Library General Public License for more details.
16
17You should have received a copy of the GNU Library General Public
18License along with the GNU C Library; see the file COPYING.LIB.  If
19not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA.  */
21
22#ifndef _LIBINTL_H
23#define _LIBINTL_H	1
24#include <features.h>
25
26#include <locale.h>
27
28#define __need_NULL
29#include <stddef.h>
30
31/* We define an additional symbol to signal that we use the GNU
32   implementation of gettext.  */
33#define __USE_GNU_GETTEXT 1
34
35__BEGIN_DECLS
36
37/* Look up MSGID in the current default message catalog for the current
38   LC_MESSAGES locale.  If not found, returns MSGID itself (the default
39   text).  */
40extern char *gettext __P ((__const char *__msgid));
41extern char *__gettext __P ((__const char *__msgid));
42
43/* Look up MSGID in the DOMAINNAME message catalog for the current
44   LC_MESSAGES locale.  */
45extern char *dgettext __P ((__const char *__domainname,
46			    __const char *__msgid));
47extern char *__dgettext __P ((__const char *__domainname,
48			      __const char *__msgid));
49
50/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY
51   locale.  */
52extern char *dcgettext __P ((__const char *__domainname,
53			     __const char *__msgid, int __category));
54extern char *__dcgettext __P ((__const char *__domainname,
55			       __const char *__msgid, int __category));
56
57
58/* Set the current default message catalog to DOMAINNAME.
59   If DOMAINNAME is null, return the current default.
60   If DOMAINNAME is "", reset to the default of "messages".  */
61extern char *textdomain __P ((__const char *__domainname));
62extern char *__textdomain __P ((__const char *__domainname));
63
64/* Specify that the DOMAINNAME message catalog will be found
65   in DIRNAME rather than in the system locale data base.  */
66extern char *bindtextdomain __P ((__const char *__domainname,
67				  __const char *__dirname));
68extern char *__bindtextdomain __P ((__const char *__domainname,
69				    __const char *__dirname));
70
71
72/* Optimized version of the function above.  */
73#if defined __OPTIMIZED
74/* These must be a macro.  Inlined functions are useless because the
75   `__builtin_constant_p' predicate in dcgettext would always return
76   false.  */
77
78# define gettext(msgid) dgettext (NULL, msgid)
79
80# define dgettext(domainname, msgid)					      \
81  dcgettext (domainname, msgid, LC_MESSAGES)
82
83# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
84#  define dcgettext(domainname, msgid, category)			      \
85  (__extension__							      \
86   ({									      \
87     char *result;							      \
88     if (__builtin_constant_p (msgid))					      \
89       {								      \
90	 extern int _nl_msg_cat_cntr;					      \
91	 static char *__translation__;					      \
92	 static int __catalog_counter__;				      \
93	 if (! __translation__ || __catalog_counter__ != _nl_msg_cat_cntr)    \
94	   {								      \
95	     __translation__ =						      \
96	       __dcgettext ((domainname), (msgid), (category));		      \
97	     __catalog_counter__ = _nl_msg_cat_cntr;			      \
98	   }								      \
99	 result = __translation__;					      \
100       }								      \
101     else								      \
102       result = __dcgettext ((domainname), (msgid), (category));	      \
103     result;								      \
104    }))
105# endif
106#endif /* Optimizing. */
107
108
109__END_DECLS
110
111#endif /* libintl.h */
112