1 /* $OpenPackages$ */ 2 /* $OpenBSD: lstForEachFrom.c,v 1.18 2007/09/16 09:46:14 espie Exp $ */ 3 /* $NetBSD: lstForEachFrom.c,v 1.5 1996/11/06 17:59:42 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 * lstForEachFrom.c -- 39 * Perform a given function on all elements of a list starting from 40 * a given point. 41 */ 42 43 #include "lstInt.h" 44 #include <stdlib.h> 45 46 /*- 47 *----------------------------------------------------------------------- 48 * Lst_ForEachFrom -- 49 * Apply the given function to each element of the given list. The 50 * function should return 0 if traversal should continue and non- 51 * zero if it should abort. 52 * 53 * Side Effects: 54 * Only those created by the passed-in function. 55 *----------------------------------------------------------------------- 56 */ 57 void 58 Lst_ForEachFrom(LstNode ln, ForEachProc proc, void *d) 59 { 60 LstNode tln; 61 62 for (tln = ln; tln != NULL; tln = tln->nextPtr) 63 (*proc)(tln->datum, d); 64 } 65 66 void 67 Lst_Every(Lst l, SimpleProc proc) 68 { 69 LstNode tln; 70 71 for (tln = l->firstPtr; tln != NULL; tln = tln->nextPtr) 72 (*proc)(tln->datum); 73 } 74 75 void 76 Lst_ForEachNodeWhile(Lst l, ForEachNodeWhileProc proc, void *d) 77 { 78 LstNode it; 79 80 for (it = l->firstPtr; it != NULL; it = it->nextPtr) 81 if ((*proc)(it, d) == 0) 82 return; 83 } 84