106 lines
3 KiB
C
106 lines
3 KiB
C
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/* $NetBSD: newlocale.c,v 1.3 2013/09/13 13:13:32 joerg Exp $ */
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/*-
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* Copyright (c)2008, 2011 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: newlocale.c,v 1.3 2013/09/13 13:13:32 joerg Exp $");
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#include "namespace.h"
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#include <assert.h>
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#include <errno.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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#include "setlocale_local.h"
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__weak_alias(newlocale, _newlocale)
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locale_t
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newlocale(int mask, const char *name, locale_t src)
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{
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struct _locale *dst;
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char head[_LOCALENAME_LEN_MAX * (_LC_LAST - 1)], *tail;
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const char *tokens[_LC_LAST - 1];
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_locale_set_t l;
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int i, howmany, categories[_LC_LAST - 1];
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if (name == NULL)
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name = _C_LOCALE;
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dst = malloc(sizeof(*dst));
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if (dst == NULL)
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return (locale_t)NULL;
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if (src == NULL)
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src = _current_locale();
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memcpy(dst, src, sizeof(*src));
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strlcpy(&head[0], name, sizeof(head));
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tokens[0] = (const char *)&head[0];
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tail = strchr(tokens[0], '/');
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if (tail == NULL) {
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for (i = 1; i < _LC_LAST; ++i) {
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if (mask & (1 << i)) {
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l = _find_category(i);
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_DIAGASSERT(l != NULL);
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(*l)(tokens[0], dst);
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}
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}
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} else {
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*tail++ = '\0';
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howmany = 0;
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for (i = 1; i < _LC_LAST; ++i) {
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if (mask & (1 << i))
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categories[howmany++] = i;
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}
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if (howmany-- > 0) {
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for (i = 1; i < howmany; ++i) {
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tokens[i] = (const char *)tail;
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tail = strchr(tokens[i], '/');
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if (tail == NULL) {
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free(dst);
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return NULL;
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}
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}
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tokens[howmany] = tail;
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tail = strchr(tokens[howmany], '/');
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if (tail != NULL) {
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free(dst);
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return NULL;
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}
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for (i = 0; i <= howmany; ++i) {
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l = _find_category(categories[i]);
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_DIAGASSERT(l != NULL);
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(*l)(tokens[i], dst);
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}
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}
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}
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if (_setlocale_cache(dst, NULL)) {
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free(dst);
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return NULL;
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}
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return (locale_t)dst;
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}
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