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
3.0 KiB
C
106 lines
3.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
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* Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
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* at Electronni Visti IA, Kiev, Ukraine.
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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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*
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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 ``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 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 <string.h>
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#include <errno.h>
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#include <wchar.h>
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#include "collate.h"
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size_t
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strxfrm_l(char * __restrict dest, const char * __restrict src, size_t len, locale_t loc);
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size_t
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strxfrm(char * __restrict dest, const char * __restrict src, size_t len)
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{
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return strxfrm_l(dest, src, len, __get_locale());
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}
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size_t
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strxfrm_l(char * __restrict dest, const char * __restrict src, size_t len, locale_t locale)
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{
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size_t slen;
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size_t xlen;
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wchar_t *wcs = NULL;
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FIX_LOCALE(locale);
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struct xlocale_collate *table =
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(struct xlocale_collate*)locale->components[XLC_COLLATE];
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if (!*src) {
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if (len > 0)
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*dest = '\0';
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return (0);
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}
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/*
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* The conversion from multibyte to wide character strings is
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* strictly reducing (one byte of an mbs cannot expand to more
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* than one wide character.)
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*/
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slen = strlen(src);
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if (table->__collate_load_error)
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goto error;
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if ((wcs = malloc((slen + 1) * sizeof (wchar_t))) == NULL)
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goto error;
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if (mbstowcs_l(wcs, src, slen + 1, locale) == (size_t)-1)
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goto error;
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if ((xlen = _collate_sxfrm(table, wcs, dest, len)) == (size_t)-1)
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goto error;
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free(wcs);
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if (len > xlen) {
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dest[xlen] = 0;
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} else if (len) {
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dest[len-1] = 0;
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}
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return (xlen);
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error:
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/* errno should be set to ENOMEM if malloc failed */
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free(wcs);
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strlcpy(dest, src, len);
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return (slen);
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}
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