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