1c9431fa1Sahl /*
2c9431fa1Sahl * CDDL HEADER START
3c9431fa1Sahl *
4c9431fa1Sahl * The contents of this file are subject to the terms of the
5c9431fa1Sahl * Common Development and Distribution License (the "License").
6c9431fa1Sahl * You may not use this file except in compliance with the License.
7c9431fa1Sahl *
8c9431fa1Sahl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9c9431fa1Sahl * or http://www.opensolaris.org/os/licensing.
10c9431fa1Sahl * See the License for the specific language governing permissions
11c9431fa1Sahl * and limitations under the License.
12c9431fa1Sahl *
13c9431fa1Sahl * When distributing Covered Code, include this CDDL HEADER in each
14c9431fa1Sahl * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15c9431fa1Sahl * If applicable, add the following below this CDDL HEADER, with the
16c9431fa1Sahl * fields enclosed by brackets "[]" replaced with your own identifying
17c9431fa1Sahl * information: Portions Copyright [yyyy] [name of copyright owner]
18c9431fa1Sahl *
19c9431fa1Sahl * CDDL HEADER END
20c9431fa1Sahl */
21c9431fa1Sahl
22c9431fa1Sahl /*
23c9431fa1Sahl * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24c9431fa1Sahl * Use is subject to license terms.
25c9431fa1Sahl */
26c9431fa1Sahl
27c9431fa1Sahl #include <sys/systm.h>
28c9431fa1Sahl #include <sys/cmn_err.h>
29c9431fa1Sahl #include <sys/kobj.h>
30c9431fa1Sahl #include <sys/kobj_impl.h>
31*e616c49cSToomas Soome #include <zlib.h>
32c9431fa1Sahl
33c9431fa1Sahl struct zchdr {
34c9431fa1Sahl uint_t zch_magic;
35c9431fa1Sahl uint_t zch_size;
36c9431fa1Sahl };
37c9431fa1Sahl
38c9431fa1Sahl #define ZCH_MAGIC 0x3cc13cc1
39c9431fa1Sahl
40c9431fa1Sahl /*ARGSUSED*/
41c9431fa1Sahl void *
zcalloc(void * opaque,uint_t items,uint_t size)42c9431fa1Sahl zcalloc(void *opaque, uint_t items, uint_t size)
43c9431fa1Sahl {
44c9431fa1Sahl size_t nbytes = sizeof (struct zchdr) + items * size;
45c9431fa1Sahl struct zchdr *z = kobj_zalloc(nbytes, KM_NOWAIT|KM_TMP);
46c9431fa1Sahl
47c9431fa1Sahl if (z == NULL)
48c9431fa1Sahl return (NULL);
49c9431fa1Sahl
50c9431fa1Sahl z->zch_magic = ZCH_MAGIC;
51c9431fa1Sahl z->zch_size = nbytes;
52c9431fa1Sahl
53c9431fa1Sahl return (z + 1);
54c9431fa1Sahl }
55c9431fa1Sahl
56c9431fa1Sahl /*ARGSUSED*/
57c9431fa1Sahl void
zcfree(void * opaque,void * ptr)58c9431fa1Sahl zcfree(void *opaque, void *ptr)
59c9431fa1Sahl {
60c9431fa1Sahl struct zchdr *z = ((struct zchdr *)ptr) - 1;
61c9431fa1Sahl
62c9431fa1Sahl if (z->zch_magic != ZCH_MAGIC)
63c9431fa1Sahl panic("zcfree region corrupt: hdr=%p ptr=%p", (void *)z, ptr);
64c9431fa1Sahl
65c9431fa1Sahl kobj_free(z, z->zch_size);
66c9431fa1Sahl }
67c9431fa1Sahl
68c9431fa1Sahl void
zmemcpy(void * dest,const void * source,uint_t len)69c9431fa1Sahl zmemcpy(void *dest, const void *source, uint_t len)
70c9431fa1Sahl {
71c9431fa1Sahl bcopy(source, dest, len);
72c9431fa1Sahl }
73c9431fa1Sahl
74c9431fa1Sahl int
zmemcmp(const void * s1,const void * s2,uint_t len)75c9431fa1Sahl zmemcmp(const void *s1, const void *s2, uint_t len)
76c9431fa1Sahl {
77c9431fa1Sahl return (bcmp(s1, s2, len));
78c9431fa1Sahl }
79c9431fa1Sahl
80c9431fa1Sahl void
zmemzero(void * dest,uint_t len)81c9431fa1Sahl zmemzero(void *dest, uint_t len)
82c9431fa1Sahl {
83c9431fa1Sahl bzero(dest, len);
84c9431fa1Sahl }
85