115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/* $NetBSD: setlocale.c,v 1.60 2012/03/04 21:14:56 tnozaki Exp $ */
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/*-
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* Copyright (c)2008 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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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: setlocale.c,v 1.60 2012/03/04 21:14:56 tnozaki Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include <sys/types.h>
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#include <locale.h>
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#include <limits.h>
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#include <paths.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "setlocale_local.h"
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const char *_PathLocale = NULL;
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static _locale_set_t all_categories[_LC_LAST] = {
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[LC_ALL ] = &_generic_LC_ALL_setlocale,
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[LC_COLLATE ] = &_dummy_LC_COLLATE_setlocale,
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[LC_CTYPE ] = &_citrus_LC_CTYPE_setlocale,
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[LC_MONETARY] = &_citrus_LC_MONETARY_setlocale,
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[LC_NUMERIC ] = &_citrus_LC_NUMERIC_setlocale,
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[LC_TIME ] = &_citrus_LC_TIME_setlocale,
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[LC_MESSAGES] = &_citrus_LC_MESSAGES_setlocale,
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};
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_locale_set_t
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_find_category(int category)
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{
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if (category >= LC_ALL && category < _LC_LAST)
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return all_categories[category];
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return NULL;
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}
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const char *
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_get_locale_env(const char *category)
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{
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const char *name;
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/* 1. check LC_ALL */
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name = (const char *)getenv("LC_ALL");
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if (name == NULL || *name == '\0') {
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/* 2. check LC_* */
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name = (const char *)getenv(category);
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if (name == NULL || *name == '\0') {
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/* 3. check LANG */
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name = getenv("LANG");
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}
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}
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if (name == NULL || *name == '\0' || strchr(name, '/'))
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/* 4. if none is set, fall to "C" */
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name = _C_LOCALE;
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return name;
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}
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char *
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__setlocale(int category, const char *name)
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{
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_locale_set_t sl;
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struct _locale_impl_t *impl;
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sl = _find_category(category);
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if (sl == NULL)
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return NULL;
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if (issetugid() || ((_PathLocale == NULL &&
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(_PathLocale = getenv("PATH_LOCALE")) == NULL) ||
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*_PathLocale == '\0'))
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_PathLocale = _PATH_LOCALE;
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impl = *_current_locale();
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return __UNCONST((*sl)(name, impl));
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}
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char *
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setlocale(int category, const char *locale)
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{
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/* locale may be NULL */
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__mb_len_max_runtime = MB_LEN_MAX;
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return __setlocale(category, locale);
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}
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#if defined(__minix) && defined(__weak_alias)
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__weak_alias(setlocale, __setlocale50)
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#endif
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