5b5fa75acf
This has already been done for most files that have the Foundation as the only listed copyright holder. Do it now for files that list multiple copyright holders, but have the Foundation copyright in its own section. Sponsored by: The FreeBSD Foundation
106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright 2013 Garrett D'Amore <garrett@damore.org>
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* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
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* Copyright (c) 2002-2004 Tim J. Robbins.
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*
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* Copyright (c) 2011 The FreeBSD Foundation
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*
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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 <limits.h>
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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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size_t
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mbsnrtowcs_l(wchar_t * __restrict dst, const char ** __restrict src,
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size_t nms, size_t len, mbstate_t * __restrict ps, locale_t locale)
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{
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FIX_LOCALE(locale);
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if (ps == NULL)
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ps = &(XLOCALE_CTYPE(locale)->mbsnrtowcs);
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return (XLOCALE_CTYPE(locale)->__mbsnrtowcs(dst, src, nms, len, ps));
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}
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size_t
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mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
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size_t nms, size_t len, mbstate_t * __restrict ps)
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{
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return mbsnrtowcs_l(dst, src, nms, len, ps, __get_locale());
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}
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size_t
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__mbsnrtowcs_std(wchar_t * __restrict dst, const char ** __restrict src,
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size_t nms, size_t len, mbstate_t * __restrict ps,
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mbrtowc_pfn_t pmbrtowc)
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{
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const char *s;
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size_t nchr;
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wchar_t wc;
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size_t nb;
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s = *src;
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nchr = 0;
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if (dst == NULL) {
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for (;;) {
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if ((nb = pmbrtowc(&wc, s, nms, ps)) == (size_t)-1)
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/* Invalid sequence - mbrtowc() sets errno. */
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return ((size_t)-1);
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else if (nb == 0 || nb == (size_t)-2)
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return (nchr);
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s += nb;
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nms -= nb;
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nchr++;
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}
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/*NOTREACHED*/
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}
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while (len-- > 0) {
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if ((nb = pmbrtowc(dst, s, nms, ps)) == (size_t)-1) {
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*src = s;
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return ((size_t)-1);
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} else if (nb == (size_t)-2) {
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*src = s + nms;
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return (nchr);
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} else if (nb == 0) {
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*src = NULL;
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return (nchr);
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}
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s += nb;
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nms -= nb;
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nchr++;
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dst++;
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}
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*src = s;
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return (nchr);
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}
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