2 * Copyright (c) 2002-2004 Tim J. Robbins.
5 * Copyright (c) 2011 The FreeBSD Foundation
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
42 wcsnrtombs_l(char * __restrict dst, const wchar_t ** __restrict src, size_t nwc,
43 size_t len, mbstate_t * __restrict ps, locale_t locale)
47 ps = &locale->wcsnrtombs;
48 return (XLOCALE_CTYPE(locale)->__wcsnrtombs(dst, src, nwc, len, ps));
51 wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src, size_t nwc,
52 size_t len, mbstate_t * __restrict ps)
54 return wcsnrtombs_l(dst, src, nwc, len, ps, __get_locale());
59 __wcsnrtombs_std(char * __restrict dst, const wchar_t ** __restrict src,
60 size_t nwc, size_t len, mbstate_t * __restrict ps)
67 struct xlocale_ctype *l = XLOCALE_CTYPE(__get_locale());
74 if ((nb = l->__wcrtomb(buf, *s, ps)) == (size_t)-1)
75 /* Invalid character - wcrtomb() sets errno. */
78 return (nbytes + nb - 1);
85 while (len > 0 && nwc-- > 0) {
86 if (len > (size_t)MB_CUR_MAX) {
87 /* Enough space to translate in-place. */
88 if ((nb = l->__wcrtomb(dst, *s, ps)) == (size_t)-1) {
94 * May not be enough space; use temp. buffer.
96 * We need to save a copy of the conversion state
97 * here so we can restore it if the multibyte
98 * character is too long for the buffer.
101 if ((nb = l->__wcrtomb(buf, *s, ps)) == (size_t)-1) {
106 /* MB sequence for character won't fit. */
110 memcpy(dst, buf, nb);
114 return (nbytes + nb - 1);