lib/libc/locale/nl_langinfo.c

   1 /* $NetBSD: nl_langinfo.c,v 1.11.28.1 2009/01/04 17:02:20 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c)2008 Citrus Project,
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 #if defined(LIBC_SCCS) && !defined(lint)
  31 __RCSID("$NetBSD: nl_langinfo.c,v 1.11.28.1 2009/01/04 17:02:20 christos Exp $");
  32 #endif /* LIBC_SCCS and not lint */
  33
  34 #include <sys/types.h>
  35 #include <langinfo.h>
  36 #define __SETLOCALE_SOURCE__
  37 #include <locale.h>
  38 #include <stdlib.h>
  39
  40 #include "setlocale_local.h"
  41
  42 char *
  43 nl_langinfo(nl_item item)
  44 {
  45         const char *s;
  46         struct _locale_impl_t *impl;
  47
  48                 s = NULL;
  49         if (item >= D_T_FMT && item <= ALT_DIGITS) {
  50                 impl = *_current_locale();
  51                 s = impl->cache.items[(size_t)item];
  52         }
  53         if (s == NULL)
  54                 s = "";
  55         return __UNCONST(s);
  56 }