1 /* $OpenPackages$ */ 2 /* $OpenBSD: lstFindFrom.c,v 1.13 2003/06/03 02:56:12 millert Exp $ */ 3 /* $NetBSD: lstFindFrom.c,v 1.6 1996/11/06 17:59:40 christos Exp $ */ 4 5 /* 6 * Copyright (c) 1988, 1989, 1990, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Adam de Boor. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 /*- 38 * LstFindFrom.c -- 39 * Find a node on a list from a given starting point. Used by Lst_Find. 40 */ 41 42 #include "lstInt.h" 43 #include <stddef.h> 44 45 /*- 46 *----------------------------------------------------------------------- 47 * Lst_FindFrom -- 48 * Search for a node starting and ending with the given one on the 49 * given list using the passed datum and comparison function to 50 * determine when it has been found. 51 * 52 * Results: 53 * The found node or NULL 54 *----------------------------------------------------------------------- 55 */ 56 LstNode 57 Lst_FindFrom(ln, cProc, d) 58 LstNode ln; 59 FindProc cProc; 60 void *d; 61 { 62 LstNode tln; 63 64 for (tln = ln; tln != NULL; tln = tln->nextPtr) 65 if ((*cProc)(tln->datum, d) == 0) 66 return tln; 67 68 return NULL; 69 } 70 71