/* * Copyright (c) 1988, 1989, 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * Adam de Boor. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by the University of California, Berkeley. The name of the * University may not be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static char sccsid[] = "@(#)lstClose.c 5.2 (Berkeley) 03/11/90"; #endif /* not lint */ /*- * LstClose.c -- * Close a list for sequential access. * The sequential functions access the list in a slightly different way. * CurPtr points to their idea of the current node in the list and they * access the list based on it. Because the list is circular, Lst_Next * and Lst_Prev will go around the list forever. Lst_IsAtEnd must be * used to determine when to stop. */ #include "lstInt.h" /*- *----------------------------------------------------------------------- * Lst_Close -- * Close a list which was opened for sequential access. * * Results: * None. * * Side Effects: * The list is closed. * *----------------------------------------------------------------------- */ void Lst_Close (l) Lst l; /* The list to close */ { register List list = (List) l; if (LstValid(l) == TRUE) { list->isOpen = FALSE; list->atEnd = Unknown; } }