xref: /titanic_51/usr/src/lib/libbc/libc/gen/common/calloc.c (revision 5d54f3d8999eac1762fe0a8c7177d20f1f201fae)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
57c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
67c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
77c478bd9Sstevel@tonic-gate  * with the License.
87c478bd9Sstevel@tonic-gate  *
97c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
117c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
127c478bd9Sstevel@tonic-gate  * and limitations under the License.
137c478bd9Sstevel@tonic-gate  *
147c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
157c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
177c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
187c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bd9Sstevel@tonic-gate  *
207c478bd9Sstevel@tonic-gate  * CDDL HEADER END
217c478bd9Sstevel@tonic-gate  */
22*5d54f3d8Smuffin /*
23*5d54f3d8Smuffin  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24*5d54f3d8Smuffin  * Use is subject to license terms.
25*5d54f3d8Smuffin  */
26*5d54f3d8Smuffin 
277c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*5d54f3d8Smuffin 
29*5d54f3d8Smuffin #include <stdio.h>
30*5d54f3d8Smuffin #include <malloc.h>
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate  * calloc - allocate and clear memory block
347c478bd9Sstevel@tonic-gate  */
357c478bd9Sstevel@tonic-gate #define CHARPERINT (sizeof(int)/sizeof(char))
36*5d54f3d8Smuffin 
377c478bd9Sstevel@tonic-gate #ifdef	S5EMUL
387c478bd9Sstevel@tonic-gate #define	ptr_t	void*
39*5d54f3d8Smuffin #define	free_t	void
40*5d54f3d8Smuffin #define	free_return(x)	(x)
417c478bd9Sstevel@tonic-gate #else
427c478bd9Sstevel@tonic-gate #define	ptr_t	char*
43*5d54f3d8Smuffin #define	free_t	int
44*5d54f3d8Smuffin #define	free_return(x)	return (x)
457c478bd9Sstevel@tonic-gate #endif
467c478bd9Sstevel@tonic-gate 
477c478bd9Sstevel@tonic-gate ptr_t
48*5d54f3d8Smuffin calloc(unsigned num, unsigned size)
497c478bd9Sstevel@tonic-gate {
50*5d54f3d8Smuffin 	ptr_t mp;
517c478bd9Sstevel@tonic-gate 	ptr_t	malloc();
527c478bd9Sstevel@tonic-gate 
537c478bd9Sstevel@tonic-gate 	num *= size;
547c478bd9Sstevel@tonic-gate 	mp = malloc(num);
557c478bd9Sstevel@tonic-gate 	if (mp == NULL)
567c478bd9Sstevel@tonic-gate 		return(NULL);
577c478bd9Sstevel@tonic-gate 	bzero(mp, num);
587c478bd9Sstevel@tonic-gate 	return ((ptr_t)(mp));
597c478bd9Sstevel@tonic-gate }
607c478bd9Sstevel@tonic-gate 
61*5d54f3d8Smuffin free_t
62*5d54f3d8Smuffin cfree(ptr_t p, unsigned num, unsigned size)
637c478bd9Sstevel@tonic-gate {
64*5d54f3d8Smuffin 	free_return(free(p));
657c478bd9Sstevel@tonic-gate }
66