1 /* $OpenBSD: wcsspn.c,v 1.2 2005/06/19 22:12:07 espie Exp $ */ 2 /* $NetBSD: wcsspn.c,v 1.3 2001/09/21 16:09:15 yamt Exp $ */ 3 4 /*- 5 * Copyright (c)1999,2001 Citrus Project, 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $Citrus: xpg4dl/FreeBSD/lib/libc/string/wcsspn.c,v 1.3 2001/09/21 16:06:43 yamt Exp $ 30 */ 31 32 #if defined(LIBC_SCCS) && !defined(lint) 33 static char *rcsid = "$OpenBSD: wcsspn.c,v 1.2 2005/06/19 22:12:07 espie Exp $"; 34 #endif /* LIBC_SCCS and not lint */ 35 36 #include <wchar.h> 37 38 size_t 39 wcsspn(const wchar_t *s, const wchar_t *set) 40 { 41 const wchar_t *p; 42 const wchar_t *q; 43 44 p = s; 45 while (*p) { 46 q = set; 47 while (*q) { 48 if (*p == *q) 49 break; 50 q++; 51 } 52 if (!*q) 53 goto done; 54 p++; 55 } 56 57 done: 58 return (p - s); 59 } 60