/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved  	*/


#pragma weak ftok = _ftok
#include "synonyms.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mkdev.h>

key_t
ftok(const char *path, int id)
{
	struct stat64 st;

	return (stat64(path, &st) < 0 ? (key_t)-1 :
	    (key_t)((key_t)id << 24 |
				((uint32_t)minor(st.st_dev)&0x0fff) <<
				12 | ((uint32_t)st.st_ino&0x0fff)));
}