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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)
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/*-
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* Copyright (c) 2002 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 <errno.h>
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#include <string.h>
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#include <wctype.h>
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#include "xlocale_private.h"
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enum {
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_WCT_ERROR = 0,
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_WCT_TOLOWER = 1,
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_WCT_TOUPPER = 2
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};
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wint_t
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towctrans_l(wint_t wc, wctrans_t desc, locale_t locale)
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{
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switch (desc) {
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case _WCT_TOLOWER:
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wc = towlower_l(wc, locale);
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break;
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case _WCT_TOUPPER:
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wc = towupper_l(wc, locale);
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break;
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case _WCT_ERROR:
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default:
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errno = EINVAL;
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break;
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}
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return (wc);
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}
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wint_t
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towctrans(wint_t wc, wctrans_t desc)
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{
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return towctrans_l(wc, desc, __get_locale());
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}
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/*
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* wctrans() calls this will a 0 locale. If this is ever modified to actually
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* use the locale, wctrans() must be modified to call __get_locale().
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*/
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wctrans_t
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wctrans_l(const char *charclass, locale_t locale)
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{
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struct {
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const char *name;
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wctrans_t trans;
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} ccls[] = {
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{ "tolower", _WCT_TOLOWER },
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{ "toupper", _WCT_TOUPPER },
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{ NULL, _WCT_ERROR }, /* Default */
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};
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int i;
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i = 0;
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while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0)
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i++;
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if (ccls[i].trans == _WCT_ERROR)
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errno = EINVAL;
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return (ccls[i].trans);
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}
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wctrans_t
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wctrans(const char *charclass)
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{
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return wctrans_l(charclass, 0);
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}
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