toolchain/gcc/newlib/libc/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
  29 #include <stddef.h>
  30
  31 #include "lmessages.h"
  32 #include "ldpart.h"
  33
  34 #define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
  35 #define LCMESSAGES_SIZE_MIN \
  36                 (offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
  37
  38 static char empty[] = "";
  39
  40 static const struct lc_messages_T _C_messages_locale = {
  41         "^[yY]" ,       /* yesexpr */
  42         "^[nN]" ,       /* noexpr */
  43         "yes" ,         /* yesstr */
  44         "no"            /* nostr */
  45 };
  46
  47 static struct lc_messages_T _messages_locale;
  48 static int      _messages_using_locale;
  49 static char     *_messages_locale_buf;
  50
  51 int
  52 __messages_load_locale(const char *name) {
  53
  54         /*
  55          * Propose that we can have incomplete locale file (w/o "{yes,no}str").
  56          * Initialize them before loading.  In case of complete locale, they'll
  57          * be initialized to loaded value, otherwise they'll not be touched.
  58          */
  59         _messages_locale.yesstr = empty;
  60         _messages_locale.nostr = empty;
  61
  62         return __part_load_locale(name, &_messages_using_locale,
  63                 _messages_locale_buf, "LC_MESSAGES",
  64                 LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
  65                 (const char **)&_messages_locale);
  66 }
  67
  68 struct lc_messages_T *
  69 __get_current_messages_locale(void) {
  70
  71         return (_messages_using_locale
  72                 ? &_messages_locale
  73                 : (struct lc_messages_T *)&_C_messages_locale);
  74 }
  75
  76 #ifdef LOCALE_DEBUG
  77 void
  78 msgdebug() {
  79 printf( "yesexpr = %s\n"
  80         "noexpr = %s\n"
  81         "yesstr = %s\n"
  82         "nostr = %s\n",
  83         _messages_locale.yesexpr,
  84         _messages_locale.noexpr,
  85         _messages_locale.yesstr,
  86         _messages_locale.nostr
  87 );
  88 }
  89 #endif /* LOCALE_DEBUG */