/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/salib.h>
/*
* For documentation on these functions, see malloc(3C).
*/
void *
malloc(size_t size)
{
size_t *iaddr;
iaddr = (size_t *)bkmem_alloc(size + sizeof (size_t));
if (iaddr == NULL) {
errno = ENOMEM;
return (NULL);
}
iaddr[0] = size;
return (&iaddr[1]);
}
void *
calloc(size_t number, size_t size)
{
void *addr;
addr = malloc(number * size);
if (addr == NULL)
return (NULL);
return (memset(addr, 0, number * size));
}
void *
realloc(void *oldaddr, size_t size)
{
void *addr;
size_t oldsize;
addr = malloc(size);
if (oldaddr != NULL) {
oldsize = ((size_t *)oldaddr)[-1];
if (addr != NULL) {
bcopy(oldaddr, addr, (oldsize > size ? oldsize : size));
free(oldaddr);
}
}
return (addr);
}
void
free(void *addr)
{
size_t *lenloc;
if (addr == NULL)
return;
lenloc = (size_t *)addr - 1;
bkmem_free((caddr_t)lenloc, *lenloc + sizeof (size_t));
}