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)
99 lines
2.7 KiB
C
99 lines
2.7 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 "namespace.h"
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include "un-namespace.h"
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#include "libc_private.h"
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#include "local.h"
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#include "mblocal.h"
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/*
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* Non-MT-safe version.
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*/
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wint_t
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__fputwc(wchar_t wc, FILE *fp, locale_t locale)
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{
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char buf[MB_LEN_MAX];
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size_t i, len;
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struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
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if (MB_CUR_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
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/*
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* Assume single-byte locale with no special encoding.
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* A more careful test would be to check
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* _CurrentRuneLocale->encoding.
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*/
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*buf = (unsigned char)wc;
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len = 1;
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} else {
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if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
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fp->_flags |= __SERR;
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return (WEOF);
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}
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}
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for (i = 0; i < len; i++)
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if (__sputc((unsigned char)buf[i], fp) == EOF)
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return (WEOF);
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return ((wint_t)wc);
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}
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/*
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* MT-safe version.
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*/
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wint_t
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fputwc_l(wchar_t wc, FILE *fp, locale_t locale)
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{
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wint_t r;
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FIX_LOCALE(locale);
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FLOCKFILE(fp);
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ORIENT(fp, 1);
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r = __fputwc(wc, fp, locale);
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FUNLOCKFILE(fp);
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return (r);
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}
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wint_t
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fputwc(wchar_t wc, FILE *fp)
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{
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return fputwc_l(wc, fp, __get_locale());
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}
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