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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1988 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#include "lint.h"
33#include <sys/types.h>
34#include <sys/time.h>
35#include <stdio.h>
36#include <unistd.h>
37#include <errno.h>
38
39/*
40 * Set the time.
41 * Don't do anything with the timezone information.
42 */
43
44/*ARGSUSED1*/
45int
46settimeofday(struct timeval *tp, void *tzp)
47{
48	time_t t;		/* time in seconds */
49
50	if (tp == NULL)
51		return (0);
52
53	if (tp->tv_sec < 0 || tp->tv_usec < 0 || tp->tv_usec >= MICROSEC) {
54		errno = EINVAL;
55		return (-1);
56	}
57
58	t = (time_t)tp->tv_sec;
59	if (tp->tv_usec >= (MICROSEC/2))
60		/* round up */
61		t++;
62
63	return (stime(&t));
64}
65