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 #include "lint.h" 31 #include <sys/types.h> 32 #include <sys/time.h> 33 #include <stdio.h> 34 #include <unistd.h> 35 #include <errno.h> 36 37 /* 38 * Set the time. 39 * Don't do anything with the timezone information. 40 */ 41 42 int settimeofday(struct timeval * tp,void * tzp __unused)43settimeofday(struct timeval *tp, void *tzp __unused) 44 { 45 time_t t; /* time in seconds */ 46 47 if (tp == NULL) 48 return (0); 49 50 if (tp->tv_sec < 0 || tp->tv_usec < 0 || tp->tv_usec >= MICROSEC) { 51 errno = EINVAL; 52 return (-1); 53 } 54 55 t = (time_t)tp->tv_sec; 56 if (tp->tv_usec >= (MICROSEC/2)) 57 /* round up */ 58 t++; 59 60 return (stime(&t)); 61 } 62