1/*
2 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
3 *	All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
8 */
9
10#pragma ident	"%Z%%M%	%I%	%E% SMI"
11
12#include <sm/gen.h>
13SM_IDSTR(id, "@(#)$Id: t-heap.c,v 1.8 2001/03/06 17:27:36 ca Exp $")
14
15#include <sm/debug.h>
16#include <sm/heap.h>
17#include <sm/io.h>
18#include <sm/test.h>
19#include <sm/xtrap.h>
20
21#if SM_HEAP_CHECK
22extern SM_DEBUG_T SmHeapCheck;
23# define HEAP_CHECK sm_debug_active(&SmHeapCheck, 1)
24#else /* SM_HEAP_CHECK */
25# define HEAP_CHECK 0
26#endif /* SM_HEAP_CHECK */
27
28int
29main(argc, argv)
30	int argc;
31	char **argv;
32{
33	void *p;
34
35	sm_test_begin(argc, argv, "test heap handling");
36	if (argc > 1)
37		sm_debug_addsettings_x(argv[1]);
38
39	p = sm_malloc(10);
40	SM_TEST(p != NULL);
41	p = sm_realloc_x(p, 20);
42	SM_TEST(p != NULL);
43	p = sm_realloc(p, 30);
44	SM_TEST(p != NULL);
45	if (HEAP_CHECK)
46	{
47		sm_dprintf("heap with 1 30-byte block allocated:\n");
48		sm_heap_report(smioout, 3);
49	}
50
51	if (HEAP_CHECK)
52	{
53		sm_free(p);
54		sm_dprintf("heap with 0 blocks allocated:\n");
55		sm_heap_report(smioout, 3);
56		sm_dprintf("xtrap count = %d\n", SmXtrapCount);
57	}
58
59#if DEBUG
60	/* this will cause a core dump */
61	sm_dprintf("about to free %p for the second time\n", p);
62	sm_free(p);
63#endif /* DEBUG */
64
65	return sm_test_end();
66}
67