intl/intlh.inst.in

   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  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
  37 extern "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).  */
  43 extern char *gettext PARAMS ((const char *__msgid));
  44
  45 /* Look up MSGID in the DOMAINNAME message catalog for the current
  46    LC_MESSAGES locale.  */
  47 extern 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.  */
  51 extern 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".  */
  58 extern 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.  */
  62 extern 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.  */
  81 extern 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 */