1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1998 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#pragma	ident	"%Z%%M%	%I%	%E% SMI"
28
29#include <stdio.h>
30#include "mtmalloc.h"
31
32/*
33 * test double free. The first double free should be fine.
34 * the next double free should result in a core dump.
35 *
36 * cc -O -o dblfree dblfree.c -I../common -lmtmalloc
37 */
38
39main(int argc, char ** argv)
40{
41	char *foo;
42
43	foo = malloc(10);
44	free(foo);
45
46	mallocctl(MTDOUBLEFREE, 1);
47
48	printf("Double free coming up\n");
49	printf("This should NOT dump core.\n");
50	free(foo);
51
52	foo = malloc(10);
53	free(foo);
54
55	mallocctl(MTDOUBLEFREE, 0);
56
57	printf("Double free coming up\n");
58	printf("This should dump core.\n");
59
60	free(foo);
61}
62