compiler/clib/locale/lmessages.c

   1 /*
   2  * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __FBSDID("$FreeBSD: src/lib/libc/locale/lmessages.c,v 1.14 2003/06/26 10:46:16 phantom Exp $");
  29
  30 #include <stddef.h>
  31
  32 #include "ldpart.h"
  33 #include "lmessages.h"
  34
  35 #define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
  36 #define LCMESSAGES_SIZE_MIN \
  37                 (offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
  38
  39 static char empty[] = "";
  40
  41 static const struct lc_messages_T _C_messages_locale = {
  42         "^[yY]" ,       /* yesexpr */
  43         "^[nN]" ,       /* noexpr */
  44         "yes" ,         /* yesstr */
  45         "no"            /* nostr */
  46 };
  47
  48 static struct lc_messages_T _messages_locale;
  49 static int      _messages_using_locale;
  50 static char     *_messages_locale_buf;
  51
  52 int
  53 __messages_load_locale(const char *name)
  54 {
  55         int ret;
  56
  57         ret = __part_load_locale(name, &_messages_using_locale,
  58                   &_messages_locale_buf, "LC_MESSAGES",
  59                   LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
  60                   (const char **)&_messages_locale);
  61         if (ret == _LDP_LOADED) {
  62                 if (_messages_locale.yesstr == NULL)
  63                         _messages_locale.yesstr = empty;
  64                 if (_messages_locale.nostr == NULL)
  65                         _messages_locale.nostr = empty;
  66         }
  67         return (ret);
  68 }
  69
  70 struct lc_messages_T *
  71 __get_current_messages_locale(void)
  72 {
  73         return (_messages_using_locale
  74                 ? &_messages_locale
  75                 : (struct lc_messages_T *)&_C_messages_locale);
  76 }
  77
  78 #ifdef LOCALE_DEBUG
  79 void
  80 msgdebug() {
  81 printf( "yesexpr = %s\n"
  82         "noexpr = %s\n"
  83         "yesstr = %s\n"
  84         "nostr = %s\n",
  85         _messages_locale.yesexpr,
  86         _messages_locale.noexpr,
  87         _messages_locale.yesstr,
  88         _messages_locale.nostr
  89 );
  90 }
  91 #endif /* LOCALE_DEBUG */