zmod_subr.c revision c9431fa1e59a88c2f0abf611f25b97af964449e5
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/systm.h>
#include <sys/cmn_err.h>
#include <sys/kobj.h>
#include <sys/kobj_impl.h>
struct zchdr {
uint_t zch_magic;
uint_t zch_size;
};
#define ZCH_MAGIC 0x3cc13cc1
/*ARGSUSED*/
void *
zcalloc(void *opaque, uint_t items, uint_t size)
{
size_t nbytes = sizeof (struct zchdr) + items * size;
struct zchdr *z = kobj_zalloc(nbytes, KM_NOWAIT|KM_TMP);
if (z == NULL)
return (NULL);
z->zch_magic = ZCH_MAGIC;
z->zch_size = nbytes;
return (z + 1);
}
/*ARGSUSED*/
void
zcfree(void *opaque, void *ptr)
{
struct zchdr *z = ((struct zchdr *)ptr) - 1;
if (z->zch_magic != ZCH_MAGIC)
panic("zcfree region corrupt: hdr=%p ptr=%p", (void *)z, ptr);
kobj_free(z, z->zch_size);
}
void
zmemcpy(void *dest, const void *source, uint_t len)
{
bcopy(source, dest, len);
}
int
zmemcmp(const void *s1, const void *s2, uint_t len)
{
return (bcmp(s1, s2, len));
}
void
zmemzero(void *dest, uint_t len)
{
bzero(dest, len);
}