2 * Copyright (c) 2002-2004 Tim J. Robbins.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
37 wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src, size_t nwc,
38 size_t len, mbstate_t * __restrict ps)
44 return (__wcsnrtombs(dst, src, nwc, len, ps));
48 __wcsnrtombs_std(char * __restrict dst, const wchar_t ** __restrict src,
49 size_t nwc, size_t len, mbstate_t * __restrict ps)
62 if ((nb = __wcrtomb(buf, *s, ps)) == (size_t)-1)
63 /* Invalid character - wcrtomb() sets errno. */
66 return (nbytes + nb - 1);
73 while (len > 0 && nwc-- > 0) {
74 if (len > (size_t)MB_CUR_MAX) {
75 /* Enough space to translate in-place. */
76 if ((nb = __wcrtomb(dst, *s, ps)) == (size_t)-1) {
82 * May not be enough space; use temp. buffer.
84 * We need to save a copy of the conversion state
85 * here so we can restore it if the multibyte
86 * character is too long for the buffer.
89 if ((nb = __wcrtomb(buf, *s, ps)) == (size_t)-1) {
94 /* MB sequence for character won't fit. */
102 return (nbytes + nb - 1);