2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright 2013 Garrett D'Amore <garrett@damore.org>
5 * Copyright 2010 Nexenta Systems, Inc. All rights reserved.
6 * Copyright (c) 2002-2004 Tim J. Robbins.
9 * Copyright (c) 2011 The FreeBSD Foundation
10 * All rights reserved.
11 * Portions of this software were developed by David Chisnall
12 * under sponsorship from the FreeBSD Foundation.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
46 wcsnrtombs_l(char * __restrict dst, const wchar_t ** __restrict src, size_t nwc,
47 size_t len, mbstate_t * __restrict ps, locale_t locale)
51 ps = &(XLOCALE_CTYPE(locale)->wcsnrtombs);
52 return (XLOCALE_CTYPE(locale)->__wcsnrtombs(dst, src, nwc, len, ps));
55 wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src, size_t nwc,
56 size_t len, mbstate_t * __restrict ps)
58 return wcsnrtombs_l(dst, src, nwc, len, ps, __get_locale());
63 __wcsnrtombs_std(char * __restrict dst, const wchar_t ** __restrict src,
64 size_t nwc, size_t len, mbstate_t * __restrict ps,
65 wcrtomb_pfn_t pwcrtomb)
78 if ((nb = pwcrtomb(buf, *s, ps)) == (size_t)-1)
79 /* Invalid character - wcrtomb() sets errno. */
82 return (nbytes + nb - 1);
89 while (len > 0 && nwc-- > 0) {
90 if (len > (size_t)MB_CUR_MAX) {
91 /* Enough space to translate in-place. */
92 if ((nb = pwcrtomb(dst, *s, ps)) == (size_t)-1) {
98 * May not be enough space; use temp. buffer.
100 * We need to save a copy of the conversion state
101 * here so we can restore it if the multibyte
102 * character is too long for the buffer.
105 if ((nb = pwcrtomb(buf, *s, ps)) == (size_t)-1) {
110 /* MB sequence for character won't fit. */
114 memcpy(dst, buf, nb);
118 return (nbytes + nb - 1);