1/* Message catalogs for internationalization.
2   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 2, or (at your option)
7   any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program; if not, write to the Free Software
16   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
17   USA.  */
18
19#ifndef _LIBINTL_H
20#define _LIBINTL_H	1
21
22@INCLUDE_LOCALE_H@
23
24/* We define an additional symbol to signal that we use the GNU
25   implementation of gettext.  */
26#define __USE_GNU_GETTEXT 1
27
28#ifndef PARAMS
29# if __STDC__ || defined __cplusplus
30#  define PARAMS(args) args
31# else
32#  define PARAMS(args) ()
33# endif
34#endif
35
36#ifdef __cplusplus
37extern "C" {
38#endif
39
40/* Look up MSGID in the current default message catalog for the current
41   LC_MESSAGES locale.  If not found, returns MSGID itself (the default
42   text).  */
43extern char *gettext PARAMS ((const char *__msgid));
44
45/* Look up MSGID in the DOMAINNAME message catalog for the current
46   LC_MESSAGES locale.  */
47extern char *dgettext PARAMS ((const char *__domainname, const char *__msgid));
48
49/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY
50   locale.  */
51extern char *dcgettext PARAMS ((const char *__domainname, const char *__msgid,
52				int __category));
53
54
55/* Set the current default message catalog to DOMAINNAME.
56   If DOMAINNAME is null, return the current default.
57   If DOMAINNAME is "", reset to the default of "messages".  */
58extern char *textdomain PARAMS ((const char *__domainname));
59
60/* Specify that the DOMAINNAME message catalog will be found
61   in DIRNAME rather than in the system locale data base.  */
62extern char *bindtextdomain PARAMS ((const char *__domainname,
63				     const char *__dirname));
64
65
66/* Optimized version of the functions above.  */
67#if defined __OPTIMIZED
68/* These must be a macro.  Inlined functions are useless because the
69   `__builtin_constant_p' predicate in dcgettext would always return
70   false.  */
71
72# define gettext(msgid) dgettext ((char *) 0, msgid)
73
74# define dgettext(domainname, msgid)					      \
75  dcgettext (domainname, msgid, LC_MESSAGES)
76
77# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
78/* This global variable is defined in loadmsgcat.c.  We need a sign,
79   whether a new catalog was loaded, which can be associated with all
80   translations.  */
81extern int _nl_msg_cat_cntr;
82
83#  define dcgettext(domainname, msgid, category)			      \
84  (__extension__							      \
85   ({									      \
86     char *__result;							      \
87     if (__builtin_constant_p (msgid))					      \
88       {								      \
89	 static char *__translation__;					      \
90	 static int __catalog_counter__;				      \
91	 if (! __translation__ || __catalog_counter__ != _nl_msg_cat_cntr)    \
92	   {								      \
93	     __translation__ =						      \
94	       (dcgettext) ((domainname), (msgid), (category));		      \
95	     __catalog_counter__ = _nl_msg_cat_cntr;			      \
96	   }								      \
97	 __result = __translation__;					      \
98       }								      \
99     else								      \
100       __result = (dcgettext) ((domainname), (msgid), (category));	      \
101     __result;								      \
102    }))
103# endif
104#endif /* Optimizing. */
105
106
107#ifdef __cplusplus
108}
109#endif
110
111#endif /* libintl.h */
112