text: /*
   * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
   * All rights reserved.
   *
   * Copyright (c) 2011 The FreeBSD Foundation
   * All rights reserved.
   * Portions of this software were developed by David Chisnall
   * under sponsorship from the FreeBSD Foundation.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD: releng/11.1/lib/libc/locale/lmessages.c 227753 2011-11-20 14:45:42Z theraven $");
  
  #include <stddef.h>
  
  #include "ldpart.h"
  #include "lmessages.h"
  
  #define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
  #define LCMESSAGES_SIZE_MIN \
  		(offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
  
  struct xlocale_messages {
  	struct xlocale_component header;
  	char *buffer;
  	struct lc_messages_T locale;
  };
  
  struct xlocale_messages __xlocale_global_messages;
  
  static char empty[] = "";
  
  static const struct lc_messages_T _C_messages_locale = {
  	"^[yY]" ,	/* yesexpr */
  	"^[nN]" ,	/* noexpr */
  	"yes" , 	/* yesstr */
  	"no"		/* nostr */
  };
  
  static void destruct_messages(void *v)
  {
  	struct xlocale_messages *l = v;
  	if (l->buffer)
  		free(l->buffer);
  	free(l);
  }
  
  static int
  messages_load_locale(struct xlocale_messages *loc, int *using_locale, const char *name)
  {
  	int ret;
  	struct lc_messages_T *l = &loc->locale;
  
  	ret = __part_load_locale(name, using_locale,
  		  &loc->buffer, "LC_MESSAGES",
  		  LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
  		  (const char **)l);
  	if (ret == _LDP_LOADED) {
  		if (l->yesstr == NULL)
  			l->yesstr = empty;
  		if (l->nostr == NULL)
  			l->nostr = empty;
  	}
  	return (ret);
  }
  int
  __messages_load_locale(const char *name)
  {
  	return messages_load_locale(&__xlocale_global_messages,
  			&__xlocale_global_locale.using_messages_locale, name);
  }
  void *
  __messages_load(const char *name, locale_t l)
  {
  	struct xlocale_messages *new = malloc(sizeof(struct xlocale_messages));
      memset(new, 0, sizeof(struct xlocale_messages));
  	new->header.header.destructor = destruct_messages;
  	if (messages_load_locale(new, &l->using_messages_locale, name) == _LDP_ERROR) {
  		xlocale_release(new);
  		return NULL;
  	}
  	return new;
  }
  
  struct lc_messages_T *
  __get_current_messages_locale(locale_t loc)
  {
  	return (loc->using_messages_locale
  		? &((struct xlocale_messages *)loc->components[XLC_MESSAGES])->locale
  		: (struct lc_messages_T *)(intptr_t)&_C_messages_locale);
  }
  
  #ifdef LOCALE_DEBUG
  void
  msgdebug() {
  printf(	"yesexpr = %s\n"
  	"noexpr = %s\n"
  	"yesstr = %s\n"
  	"nostr = %s\n",
  	_messages_locale.yesexpr,
  	_messages_locale.noexpr,
  	_messages_locale.yesstr,
  	_messages_locale.nostr
  );
  }
  #endif /* LOCALE_DEBUG */
  