3c87aa1d3d
load of _l suffixed versions of various standard library functions that use the global locale, making them take an explicit locale parameter. Also adds support for per-thread locales. This work was funded by the FreeBSD Foundation. Please test any code you have that uses the C standard locale functions! Reviewed by: das (gdtoa changes) Approved by: dim (mentor)
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*-
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* Copyright (c) 2002-2004 Tim J. Robbins.
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* All rights reserved.
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*
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* Copyright (c) 2011 The FreeBSD Foundation
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* All rights reserved.
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* Portions of this software were developed by David Chisnall
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* under sponsorship from the FreeBSD Foundation.
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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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__FBSDID("$FreeBSD$");
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#include <stdlib.h>
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#include <wchar.h>
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#include "mblocal.h"
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int
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mbtowc_l(wchar_t * __restrict pwc, const char * __restrict s, size_t n, locale_t locale)
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{
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static const mbstate_t initial;
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size_t rval;
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FIX_LOCALE(locale);
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if (s == NULL) {
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/* No support for state dependent encodings. */
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locale->mbtowc = initial;
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return (0);
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}
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rval = XLOCALE_CTYPE(locale)->__mbrtowc(pwc, s, n, &locale->mbtowc);
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if (rval == (size_t)-1 || rval == (size_t)-2)
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return (-1);
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return ((int)rval);
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}
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int
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mbtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n)
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{
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return mbtowc_l(pwc, s, n, __get_locale());
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}
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