17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bdstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bdstevel@tonic-gate * (the "License").  You may not use this file except in compliance
77c478bdstevel@tonic-gate * with the License.
87c478bdstevel@tonic-gate *
97c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bdstevel@tonic-gate * See the License for the specific language governing permissions
127c478bdstevel@tonic-gate * and limitations under the License.
137c478bdstevel@tonic-gate *
147c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bdstevel@tonic-gate *
207c478bdstevel@tonic-gate * CDDL HEADER END
217c478bdstevel@tonic-gate */
227c478bdstevel@tonic-gate/*
237c478bdstevel@tonic-gate * Copyright (c) 1998 by Sun Microsystems, Inc.
247c478bdstevel@tonic-gate * All rights reserved.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate#pragma	ident	"%Z%%M%	%I%	%E% SMI"
287c478bdstevel@tonic-gate
297c478bdstevel@tonic-gate#include <stdio.h>
307c478bdstevel@tonic-gate#include "mtmalloc.h"
317c478bdstevel@tonic-gate
327c478bdstevel@tonic-gate/*
337c478bdstevel@tonic-gate * test double free. The first double free should be fine.
347c478bdstevel@tonic-gate * the next double free should result in a core dump.
357c478bdstevel@tonic-gate *
367c478bdstevel@tonic-gate * cc -O -o dblfree dblfree.c -I../common -lmtmalloc
377c478bdstevel@tonic-gate */
387c478bdstevel@tonic-gate
397c478bdstevel@tonic-gatemain(int argc, char ** argv)
407c478bdstevel@tonic-gate{
417c478bdstevel@tonic-gate	char *foo;
427c478bdstevel@tonic-gate
437c478bdstevel@tonic-gate	foo = malloc(10);
447c478bdstevel@tonic-gate	free(foo);
457c478bdstevel@tonic-gate
467c478bdstevel@tonic-gate	mallocctl(MTDOUBLEFREE, 1);
477c478bdstevel@tonic-gate
487c478bdstevel@tonic-gate	printf("Double free coming up\n");
497c478bdstevel@tonic-gate	printf("This should NOT dump core.\n");
507c478bdstevel@tonic-gate	free(foo);
517c478bdstevel@tonic-gate
527c478bdstevel@tonic-gate	foo = malloc(10);
537c478bdstevel@tonic-gate	free(foo);
547c478bdstevel@tonic-gate
557c478bdstevel@tonic-gate	mallocctl(MTDOUBLEFREE, 0);
567c478bdstevel@tonic-gate
577c478bdstevel@tonic-gate	printf("Double free coming up\n");
587c478bdstevel@tonic-gate	printf("This should dump core.\n");
597c478bdstevel@tonic-gate
607c478bdstevel@tonic-gate	free(foo);
617c478bdstevel@tonic-gate}
62