glibc/intl/libintl.h

117 lines
4.1 KiB
C

/* Message catalogs for internationalization.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
This file is derived from the file libgettext.h in the GNU gettext package.
This file is part of the GNU C Library. Its master source is NOT part of
the C library, however.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _LIBINTL_H
#define _LIBINTL_H 1
#include <features.h>
/* We define an additional symbol to signal that we use the GNU
implementation of gettext. */
#define __USE_GNU_GETTEXT 1
__BEGIN_DECLS
/* Look up MSGID in the current default message catalog for the current
LC_MESSAGES locale. If not found, returns MSGID itself (the default
text). */
extern char *gettext __P ((__const char *__msgid));
/* Look up MSGID in the DOMAINNAME message catalog for the current
LC_MESSAGES locale. */
extern char *dgettext __P ((__const char *__domainname,
__const char *__msgid));
extern char *__dgettext __P ((__const char *__domainname,
__const char *__msgid));
/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY
locale. */
extern char *dcgettext __P ((__const char *__domainname,
__const char *__msgid, int __category));
extern char *__dcgettext __P ((__const char *__domainname,
__const char *__msgid, int __category));
/* 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". */
extern char *textdomain __P ((__const char *__domainname));
/* Specify that the DOMAINNAME message catalog will be found
in DIRNAME rather than in the system locale data base. */
extern char *bindtextdomain __P ((__const char *__domainname,
__const char *__dirname));
/* Optimized version of the function above. */
#if defined __OPTIMIZE__
/* We need NULL for `gettext'. */
# define __need_NULL
# include <stddef.h>
/* We need LC_MESSAGES for `dgettext'. */
# include <locale.h>
/* These must be macros. Inlined functions are useless because the
`__builtin_constant_p' predicate in dcgettext would always return
false. */
# define gettext(msgid) dgettext (NULL, msgid)
# define dgettext(domainname, msgid) \
dcgettext (domainname, msgid, LC_MESSAGES)
# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
/* Variable defined in loadmsgcat.c which gets incremented every time a
new catalog is loaded. */
extern int _nl_msg_cat_cntr;
# define dcgettext(domainname, msgid, category) \
(__extension__ \
({ \
char *__result; \
if (__builtin_constant_p (msgid)) \
{ \
static char *__translation__; \
static int __catalog_counter__; \
if (! __translation__ || __catalog_counter__ != _nl_msg_cat_cntr) \
{ \
__translation__ = \
__dcgettext ((domainname), (msgid), (category)); \
__catalog_counter__ = _nl_msg_cat_cntr; \
} \
__result = __translation__; \
} \
else \
__result = __dcgettext ((domainname), (msgid), (category)); \
__result; \
}))
# endif
#endif /* Optimizing. */
__END_DECLS
#endif /* libintl.h */