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1 | /*- | |
2 | * Copyright (c)1999 Citrus Project, | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
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. | |
13 | * | |
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 | |
24 | * SUCH DAMAGE. | |
25 | * | |
26 | * citrus Id: wcsspn.c,v 1.1 1999/12/29 21:47:45 tshiozak Exp | |
27 | */ | |
28 | ||
29 | #include <sys/cdefs.h> | |
30 | #if 0 | |
31 | #if defined(LIBC_SCCS) && !defined(lint) | |
32 | __RCSID("$NetBSD: wcsspn.c,v 1.1 2000/12/23 23:14:37 itojun Exp $"); | |
33 | #endif /* LIBC_SCCS and not lint */ | |
34 | #endif | |
35 | __FBSDID("$FreeBSD: src/lib/libc/string/wcsspn.c,v 1.7 2002/09/21 00:29:23 tjr Exp $"); | |
36 | ||
37 | #include <wchar.h> | |
38 | ||
39 | size_t | |
40 | wcsspn(s, set) | |
41 | const wchar_t *s; | |
42 | const wchar_t *set; | |
43 | { | |
44 | const wchar_t *p; | |
45 | const wchar_t *q; | |
46 | ||
47 | p = s; | |
48 | while (*p) { | |
49 | q = set; | |
50 | while (*q) { | |
51 | if (*p == *q) | |
52 | break; | |
53 | q++; | |
54 | } | |
55 | if (!*q) | |
56 | goto done; | |
57 | p++; | |
58 | } | |
59 | ||
60 | done: | |
61 | return (p - s); | |
62 | } |