xref: /titanic_41/usr/src/lib/libbc/libc/gen/common/calloc.c (revision 74e20cfe817b82802b16fac8690dadcda76f54f5)
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 2005 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 <stdio.h>
30 #include <malloc.h>
31 
32 /*
33  * calloc - allocate and clear memory block
34  */
35 #define CHARPERINT (sizeof(int)/sizeof(char))
36 
37 #ifdef	S5EMUL
38 #define	ptr_t	void*
39 #define	free_t	void
40 #define	free_return(x)	(x)
41 #else
42 #define	ptr_t	char*
43 #define	free_t	int
44 #define	free_return(x)	return (x)
45 #endif
46 
47 ptr_t
48 calloc(unsigned num, unsigned size)
49 {
50 	ptr_t mp;
51 	ptr_t	malloc();
52 
53 	num *= size;
54 	mp = malloc(num);
55 	if (mp == NULL)
56 		return(NULL);
57 	bzero(mp, num);
58 	return ((ptr_t)(mp));
59 }
60 
61 free_t
62 cfree(ptr_t p, unsigned num, unsigned size)
63 {
64 	free_return(free(p));
65 }
66