make/gettext.h

/* Begin of libgettext.h */

/* 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.  */

/* Include libintl.h, if it was found: we don't even look for it unless we
   want to use the system's gettext().  If not, the rest of the file contains
   the headers necessary for our own gettext.c.  */

#ifdef HAVE_LIBINTL_H
# include <libintl.h>

#else

/* 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

#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

/* 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));
/* static 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));
/* static 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));
/* static 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));
/* static 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

#ifdef __cplusplus
}
#endif

#endif  /* !HAVE_LIBINTL_H */

#ifndef gettext_noop
/* For automatical extraction of messages sometimes no real
   translation is needed.  Instead the string itself is the result.  */
# define gettext_noop(Str) (Str)
#endif

/* End of libgettext.h */