1 /* $NetBSD: lstClose.c,v 1.11 2006/10/27 21:37:25 dsl Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1989, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Adam de Boor. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef MAKE_NATIVE 36 static char rcsid[] = "$NetBSD: lstClose.c,v 1.11 2006/10/27 21:37:25 dsl Exp $"; 37 #else 38 #include <sys/cdefs.h> 39 #ifndef lint 40 #if 0 41 static char sccsid[] = "@(#)lstClose.c 8.1 (Berkeley) 6/6/93"; 42 #else 43 __RCSID("$NetBSD: lstClose.c,v 1.11 2006/10/27 21:37:25 dsl Exp $"); 44 #endif 45 #endif /* not lint */ 46 #endif 47 48 /*- 49 * LstClose.c -- 50 * Close a list for sequential access. 51 * The sequential functions access the list in a slightly different way. 52 * CurPtr points to their idea of the current node in the list and they 53 * access the list based on it. Because the list is circular, Lst_Next 54 * and Lst_Prev will go around the list forever. Lst_IsAtEnd must be 55 * used to determine when to stop. 56 */ 57 58 #include "lstInt.h" 59 60 /*- 61 *----------------------------------------------------------------------- 62 * Lst_Close -- 63 * Close a list which was opened for sequential access. 64 * 65 * Input: 66 * l The list to close 67 * 68 * Results: 69 * None. 70 * 71 * Side Effects: 72 * The list is closed. 73 * 74 *----------------------------------------------------------------------- 75 */ 76 void 77 Lst_Close(Lst l) 78 { 79 List list = l; 80 81 if (LstValid(l) == TRUE) { 82 list->isOpen = FALSE; 83 list->atEnd = Unknown; 84 } 85 } 86 87