2 * Copyright (c) 1988, 1989, 1990, 1993
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5 * This code is derived from software contributed to Berkeley by
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36 * $FreeBSD: src/usr.bin/make/lst.lib/lstDestroy.c,v 1.7 1999/08/28 01:03:49 peter Exp $
37 * $DragonFly: src/usr.bin/make/lst.lib/Attic/lstDestroy.c,v 1.10 2004/12/17 00:02:57 okumoto Exp $
39 * @(#)lstDestroy.c 8.1 (Berkeley) 6/6/93
44 * Nuke a list and all its resources
51 *-----------------------------------------------------------------------
53 * Destroy a list and free all its resources. If the freeProc is
54 * given, it is called with the datum from each node in turn before
61 * The given list is freed in its entirety.
63 *-----------------------------------------------------------------------
66 Lst_Destroy(Lst *list, FreeProc *freeProc)
71 if (!Lst_Valid(list)) {
73 * Note the check to catch uninitialized static Lst's.
79 if (list->lastPtr == NULL) {
83 /* To ease scanning */
84 list->lastPtr->nextPtr = NULL;
87 for (ln = list->firstPtr; ln != NULL; ln = tln) {
89 (*freeProc)(ln->datum);
93 for (ln = list->firstPtr; ln != NULL; ln = tln) {