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 <sys/types.h>
30 #include <sys/mdesc.h>
31 #include <sys/mdesc_impl.h>
32
33 int
md_get_prop_data(md_t * ptr,mde_cookie_t node,char * namep,uint8_t ** datap,int * lenp)34 md_get_prop_data(md_t *ptr, mde_cookie_t node, char *namep,
35 uint8_t **datap, int *lenp)
36 {
37 mde_str_cookie_t prop_name;
38 md_impl_t *mdp;
39 mde_cookie_t elem;
40
41 mdp = (md_impl_t *)ptr;
42
43 if (node == MDE_INVAL_ELEM_COOKIE) {
44 return (-1);
45 }
46
47 prop_name = md_find_name(ptr, namep);
48 if (prop_name == MDE_INVAL_STR_COOKIE) {
49 return (-1);
50 }
51
52 elem = md_find_node_prop(mdp, node, prop_name, MDET_PROP_DAT);
53
54 if (elem != MDE_INVAL_ELEM_COOKIE) {
55 md_element_t *mdep;
56 mdep = &(mdp->mdep[(int)elem]);
57
58 *lenp = (int)MDE_PROP_DATA_LEN(mdep);
59 *datap = mdp->datap+(int)MDE_PROP_DATA_OFFSET(mdep);
60 return (0);
61 }
62
63 return (-1); /* no such property name */
64 }
65