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newlocale.c revision 1.2.2.2
      1  1.2.2.2  tls /* $NetBSD: newlocale.c,v 1.2.2.2 2013/06/23 06:21:05 tls Exp $ */
      2  1.2.2.2  tls 
      3  1.2.2.2  tls /*-
      4  1.2.2.2  tls  * Copyright (c)2008, 2011 Citrus Project,
      5  1.2.2.2  tls  * All rights reserved.
      6  1.2.2.2  tls  *
      7  1.2.2.2  tls  * Redistribution and use in source and binary forms, with or without
      8  1.2.2.2  tls  * modification, are permitted provided that the following conditions
      9  1.2.2.2  tls  * are met:
     10  1.2.2.2  tls  * 1. Redistributions of source code must retain the above copyright
     11  1.2.2.2  tls  *    notice, this list of conditions and the following disclaimer.
     12  1.2.2.2  tls  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.2.2.2  tls  *    notice, this list of conditions and the following disclaimer in the
     14  1.2.2.2  tls  *    documentation and/or other materials provided with the distribution.
     15  1.2.2.2  tls  *
     16  1.2.2.2  tls  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.2.2.2  tls  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.2.2.2  tls  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.2.2.2  tls  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.2.2.2  tls  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.2.2.2  tls  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.2.2.2  tls  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.2.2.2  tls  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.2.2.2  tls  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.2.2.2  tls  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.2.2.2  tls  * SUCH DAMAGE.
     27  1.2.2.2  tls  */
     28  1.2.2.2  tls 
     29  1.2.2.2  tls #include <sys/cdefs.h>
     30  1.2.2.2  tls __RCSID("$NetBSD: newlocale.c,v 1.2.2.2 2013/06/23 06:21:05 tls Exp $");
     31  1.2.2.2  tls 
     32  1.2.2.2  tls #include "namespace.h"
     33  1.2.2.2  tls #include <assert.h>
     34  1.2.2.2  tls #include <errno.h>
     35  1.2.2.2  tls #include <locale.h>
     36  1.2.2.2  tls #include <stdlib.h>
     37  1.2.2.2  tls #include <string.h>
     38  1.2.2.2  tls 
     39  1.2.2.2  tls #include "setlocale_local.h"
     40  1.2.2.2  tls 
     41  1.2.2.2  tls __weak_alias(newlocale, _newlocale)
     42  1.2.2.2  tls 
     43  1.2.2.2  tls locale_t
     44  1.2.2.2  tls newlocale(int mask, const char *name, locale_t src)
     45  1.2.2.2  tls {
     46  1.2.2.2  tls 	struct _locale *dst;
     47  1.2.2.2  tls 	char head[_LOCALENAME_LEN_MAX * (_LC_LAST - 1)], *tail;
     48  1.2.2.2  tls 	const char *tokens[_LC_LAST - 1];
     49  1.2.2.2  tls 	_locale_set_t l;
     50  1.2.2.2  tls 	int i, howmany, categories[_LC_LAST - 1];
     51  1.2.2.2  tls 
     52  1.2.2.2  tls 	if (name == NULL)
     53  1.2.2.2  tls 		name = _C_LOCALE;
     54  1.2.2.2  tls 	dst = malloc(sizeof(*dst));
     55  1.2.2.2  tls 	if (dst == NULL)
     56  1.2.2.2  tls 		return (locale_t)NULL;
     57  1.2.2.2  tls 	if (src == NULL)
     58  1.2.2.2  tls 		src = _current_locale();
     59  1.2.2.2  tls 	memcpy(dst, src, sizeof(*src));
     60  1.2.2.2  tls 	strlcpy(&head[0], name, sizeof(head));
     61  1.2.2.2  tls 	tokens[0] = (const char *)&head[0];
     62  1.2.2.2  tls 	tail = strchr(tokens[0], '/');
     63  1.2.2.2  tls 	if (tail == NULL) {
     64  1.2.2.2  tls 		for (i = 1; i < _LC_LAST; ++i) {
     65  1.2.2.2  tls 			if (mask & (1 << i)) {
     66  1.2.2.2  tls 				l = _find_category(i);
     67  1.2.2.2  tls 				_DIAGASSERT(l != NULL);
     68  1.2.2.2  tls 				(*l)(tokens[0], dst);
     69  1.2.2.2  tls 			}
     70  1.2.2.2  tls 		}
     71  1.2.2.2  tls 	} else {
     72  1.2.2.2  tls 		*tail++ = '\0';
     73  1.2.2.2  tls 		howmany = 0;
     74  1.2.2.2  tls 		for (i = 1; i < _LC_LAST; ++i) {
     75  1.2.2.2  tls 			if (mask & (1 << i))
     76  1.2.2.2  tls 				categories[howmany++] = i;
     77  1.2.2.2  tls 		}
     78  1.2.2.2  tls 		if (howmany-- > 0) {
     79  1.2.2.2  tls 			for (i = 1; i < howmany; ++i) {
     80  1.2.2.2  tls 				tokens[i] = (const char *)tail;
     81  1.2.2.2  tls 				tail = strchr(tokens[i], '/');
     82  1.2.2.2  tls 				if (tail == NULL) {
     83  1.2.2.2  tls 					free(dst);
     84  1.2.2.2  tls 					return NULL;
     85  1.2.2.2  tls 				}
     86  1.2.2.2  tls 			}
     87  1.2.2.2  tls 			tokens[howmany] = tail;
     88  1.2.2.2  tls 			tail = strchr(tokens[howmany], '/');
     89  1.2.2.2  tls 			if (tail != NULL) {
     90  1.2.2.2  tls 				free(dst);
     91  1.2.2.2  tls 				return NULL;
     92  1.2.2.2  tls 			}
     93  1.2.2.2  tls 			for (i = 0; i <= howmany; ++i) {
     94  1.2.2.2  tls 				l = _find_category(categories[i]);
     95  1.2.2.2  tls 				_DIAGASSERT(l != NULL);
     96  1.2.2.2  tls 				(*l)(tokens[i], dst);
     97  1.2.2.2  tls 			}
     98  1.2.2.2  tls 		}
     99  1.2.2.2  tls 	}
    100  1.2.2.2  tls 	return (locale_t)dst;
    101  1.2.2.2  tls }
    102