10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*1991Sheppo * Common Development and Distribution License (the "License"). 6*1991Sheppo * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 21*1991Sheppo 220Sstevel@tonic-gate /* 23*1991Sheppo * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 240Sstevel@tonic-gate * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 280Sstevel@tonic-gate 290Sstevel@tonic-gate #include <sys/types.h> 300Sstevel@tonic-gate #include <sys/mdesc.h> 310Sstevel@tonic-gate #include <sys/mdesc_impl.h> 320Sstevel@tonic-gate 330Sstevel@tonic-gate mde_cookie_t md_root_node(md_t * ptr)340Sstevel@tonic-gatemd_root_node(md_t *ptr) 350Sstevel@tonic-gate { 360Sstevel@tonic-gate md_impl_t *mdp; 370Sstevel@tonic-gate 380Sstevel@tonic-gate mdp = (md_impl_t *)ptr; 390Sstevel@tonic-gate 400Sstevel@tonic-gate if (mdp->md_magic != LIBMD_MAGIC) 41*1991Sheppo return (MDE_INVAL_ELEM_COOKIE); 420Sstevel@tonic-gate 430Sstevel@tonic-gate return (mdp->root_node); 440Sstevel@tonic-gate } 45