Update version to 0.16
[ust.git] / snprintf / mbrtowc_sb.c
1 /* $OpenBSD: mbrtowc_sb.c,v 1.4 2005/11/27 20:03:06 cloder Exp $ */
2 /* $NetBSD: multibyte_sb.c,v 1.4 2003/08/07 16:43:04 agc Exp $ */
3
4 /*
5 * Copyright (c) 1991 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <errno.h>
34 #include <stdlib.h>
35 #include <wchar.h>
36
37 /*ARGSUSED*/
38 size_t
39 ust_safe_mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
40 {
41
42 /* pwc may be NULL */
43 /* s may be NULL */
44 /* ps appears to be unused */
45
46 if (s == NULL)
47 return 0;
48 if (n == 0)
49 return (size_t)-1;
50 if (pwc)
51 *pwc = (wchar_t)(unsigned char)*s;
52 return (*s != '\0');
53 }
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