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/param.h> 31 #include <sys/mdesc.h> 32 #include <sys/mdesc_impl.h> 33 34 mde_cookie_t 35 md_find_node_prop(md_impl_t *mdp, 36 mde_cookie_t node, 37 mde_str_cookie_t prop_name, 38 int tag_type) 39 { 40 md_element_t *mdep; 41 int idx; 42 43 if (node == MDE_INVAL_ELEM_COOKIE || 44 prop_name == MDE_INVAL_STR_COOKIE) { 45 return (MDE_INVAL_ELEM_COOKIE); 46 } 47 48 idx = (int)node; 49 mdep = &(mdp->mdep[idx]); 50 51 /* Skip over any empty elements */ 52 while (MDE_TAG(mdep) == MDET_NULL) { 53 idx++; 54 mdep++; 55 } 56 57 /* see if cookie is infact a node */ 58 if (MDE_TAG(mdep) != MDET_NODE) { 59 return (MDE_INVAL_ELEM_COOKIE); 60 } 61 62 /* 63 * Simply walk the elements in the node 64 * looking for a property with a matching name. 65 */ 66 67 for (idx++, mdep++; MDE_TAG(mdep) != MDET_NODE_END; idx++, mdep++) { 68 if (MDE_TAG(mdep) == tag_type) { 69 if (MDE_NAME(mdep) == prop_name) { 70 return ((mde_cookie_t)idx); 71 } 72 } 73 } 74 75 return (MDE_INVAL_ELEM_COOKIE); /* no such property name */ 76 } 77