xref: /illumos-gate/usr/src/lib/libmapmalloc/common/calloc.c (revision 5bbb4db2c3f208d12bf0fd11769728f9e5ba66a2)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <stdlib.h>
30 #include <string.h>
31 /*
32  * calloc - allocate and clear memory block
33  */
34 
35 void *
36 calloc(size_t num, size_t size)
37 {
38 	void *mp;
39 
40 	num *= size;
41 	mp = malloc(num);
42 	if (mp == NULL)
43 		return (NULL);
44 	(void) memset(mp, 0, num);
45 	return (mp);
46 }
47 
48 /*ARGSUSED*/
49 void
50 cfree(void *p, size_t num, size_t size)
51 {
52 	free(p);
53 }
54