1 /* 2 * Copyright (c) 1988, 1989, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Adam de Boor. 7 * 8 * %sccs.include.redist.c% 9 */ 10 11 #ifndef lint 12 static char sccsid[] = "@(#)lstClose.c 8.2 (Berkeley) 04/28/95"; 13 #endif /* not lint */ 14 15 /*- 16 * LstClose.c -- 17 * Close a list for sequential access. 18 * The sequential functions access the list in a slightly different way. 19 * CurPtr points to their idea of the current node in the list and they 20 * access the list based on it. Because the list is circular, Lst_Next 21 * and Lst_Prev will go around the list forever. Lst_IsAtEnd must be 22 * used to determine when to stop. 23 */ 24 25 #include "lstInt.h" 26 27 /*- 28 *----------------------------------------------------------------------- 29 * Lst_Close -- 30 * Close a list which was opened for sequential access. 31 * 32 * Results: 33 * None. 34 * 35 * Side Effects: 36 * The list is closed. 37 * 38 *----------------------------------------------------------------------- 39 */ 40 void 41 Lst_Close (l) 42 Lst l; /* The list to close */ 43 { 44 register List list = (List) l; 45 46 if (LstValid(l) == TRUE) { 47 list->isOpen = FALSE; 48 list->atEnd = Unknown; 49 } 50 } 51 52