libgettext.h
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上传日期:2007-01-04
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- /* Message catalogs for internationalization.
- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
- This program 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 General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
- /* Because on some systems (e.g. Solaris) we sometimes have to include
- the systems libintl.h as well as this file we have more complex
- include protection above. But the systems header might perhaps also
- define _LIBINTL_H and therefore we have to protect the definition here. */
- #if !defined _LIBINTL_H || !defined _LIBGETTEXT_H
- #ifndef _LIBINTL_H
- # define _LIBINTL_H 1
- #endif
- #define _LIBGETTEXT_H 1
- /* We define an additional symbol to signal that we use the GNU
- implementation of gettext. */
- #define __USE_GNU_GETTEXT 1
- #include <sys/types.h>
- #if HAVE_LOCALE_H
- # include <locale.h>
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* @@ end of prolog @@ */
- #ifndef PARAMS
- # if __STDC__ || defined __cplusplus
- # define PARAMS(args) args
- # else
- # define PARAMS(args) ()
- # endif
- #endif
- #ifndef NULL
- # if !defined __cplusplus || defined __GNUC__
- # define NULL ((void *) 0)
- # else
- # define NULL (0)
- # endif
- #endif
- #if !HAVE_LC_MESSAGES
- /* This value determines the behaviour of the gettext() and dgettext()
- function. But some system does not have this defined. Define it
- to a default value. */
- # define LC_MESSAGES (-1)
- #endif
- /* Declarations for gettext-using-catgets interface. Derived from
- Jim Meyering's libintl.h. */
- struct _msg_ent
- {
- const char *_msg;
- int _msg_number;
- };
- #if HAVE_CATGETS
- /* These two variables are defined in the automatically by po-to-tbl.sed
- generated file `cat-id-tbl.c'. */
- extern const struct _msg_ent _msg_tbl[];
- extern int _msg_tbl_length;
- #endif
- /* For automatical extraction of messages sometimes no real
- translation is needed. Instead the string itself is the result. */
- #define gettext_noop(Str) (Str)
- /* 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 PARAMS ((const char *__msgid));
- extern char *gettext__ PARAMS ((const char *__msgid));
- /* Look up MSGID in the DOMAINNAME message catalog for the current
- LC_MESSAGES locale. */
- extern char *dgettext PARAMS ((const char *__domainname, const char *__msgid));
- extern char *dgettext__ PARAMS ((const char *__domainname,
- const char *__msgid));
- /* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY
- locale. */
- extern char *dcgettext PARAMS ((const char *__domainname, const char *__msgid,
- int __category));
- extern char *dcgettext__ PARAMS ((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 PARAMS ((const char *__domainname));
- extern char *textdomain__ PARAMS ((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 PARAMS ((const char *__domainname,
- const char *__dirname));
- extern char *bindtextdomain__ PARAMS ((const char *__domainname,
- const char *__dirname));
- #if ENABLE_NLS
- /* Solaris 2.3 has the gettext function but dcgettext is missing.
- So we omit this optimization for Solaris 2.3. BTW, Solaris 2.4
- has dcgettext. */
- # if !HAVE_CATGETS && (!HAVE_GETTEXT || HAVE_DCGETTEXT)
- # define gettext(Msgid)
- dgettext (NULL, Msgid)
- # define dgettext(Domainname, Msgid)
- dcgettext (Domainname, Msgid, LC_MESSAGES)
- # if defined __GNUC__ && __GNUC__ == 2 && __GNUC_MINOR__ >= 7
- /* This global variable is defined in loadmsgcat.c. We need a sign,
- whether a new catalog was loaded, which can be associated with all
- translations. */
- 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
- #else
- # define gettext(Msgid) (Msgid)
- # define dgettext(Domainname, Msgid) (Msgid)
- # define dcgettext(Domainname, Msgid, Category) (Msgid)
- # define textdomain(Domainname) ((char *) Domainname)
- # define bindtextdomain(Domainname, Dirname) ((char *) Dirname)
- #endif
- /* @@ begin of epilog @@ */
- #ifdef __cplusplus
- }
- #endif
- #endif