1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1999 by Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  * All rights reserved.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include "compat.h"
30*0Sstevel@tonic-gate #include <errno.h>
31*0Sstevel@tonic-gate #include <syscall.h>
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include <unistd.h>
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate extern int errno;
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate off_t lseek(int fd, off_t offset, int whence)
38*0Sstevel@tonic-gate {
39*0Sstevel@tonic-gate 	int off, ret;
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate 	if (whence < 0 || whence > 2) {
42*0Sstevel@tonic-gate 		errno = EINVAL;
43*0Sstevel@tonic-gate 		return (-1);
44*0Sstevel@tonic-gate 	}
45*0Sstevel@tonic-gate 	if (fd_get(fd) != -1) {
46*0Sstevel@tonic-gate 		off = getmodsize(offset, sizeof(struct utmpx),
47*0Sstevel@tonic-gate 						sizeof(struct compat_utmp));
48*0Sstevel@tonic-gate 		if ((ret = _syscall(SYS_lseek, fd, off, whence)) == -1)
49*0Sstevel@tonic-gate 			return(-1);
50*0Sstevel@tonic-gate 
51*0Sstevel@tonic-gate 		ret = getmodsize(ret, sizeof(struct compat_utmp),
52*0Sstevel@tonic-gate 					sizeof(struct utmpx));
53*0Sstevel@tonic-gate 		return (ret);
54*0Sstevel@tonic-gate 	}
55*0Sstevel@tonic-gate 	else
56*0Sstevel@tonic-gate 		return (_syscall(SYS_lseek, fd, offset, whence));
57*0Sstevel@tonic-gate }
58