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 1987 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate /* from UCB 4.2 83/05/31 */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #include <sys/types.h> 31*0Sstevel@tonic-gate #include <sys/time.h> 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate extern long time(); 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /* 36*0Sstevel@tonic-gate * Backwards compatible utime. 37*0Sstevel@tonic-gate * 38*0Sstevel@tonic-gate * The System V system call allows any user with write permission 39*0Sstevel@tonic-gate * on a file to set the accessed and modified times to the current 40*0Sstevel@tonic-gate * time; they specify this by passing a null pointer to "utime". 41*0Sstevel@tonic-gate * This is done to simulate reading one byte from a file and 42*0Sstevel@tonic-gate * overwriting that byte with itself, which is the technique used 43*0Sstevel@tonic-gate * by older versions of the "touch" command. The advantage of this 44*0Sstevel@tonic-gate * hack in the system call is that it works correctly even if the file 45*0Sstevel@tonic-gate * is zero-length. 46*0Sstevel@tonic-gate * 47*0Sstevel@tonic-gate * The BSD system call never allowed a null pointer so there should 48*0Sstevel@tonic-gate * be no compatibility problem there. 49*0Sstevel@tonic-gate */ 50*0Sstevel@tonic-gate utime(name, otv) 51*0Sstevel@tonic-gate char *name; 52*0Sstevel@tonic-gate time_t otv[2]; 53*0Sstevel@tonic-gate { 54*0Sstevel@tonic-gate struct timeval tv[2]; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate if (otv == 0) { 57*0Sstevel@tonic-gate return (utimes(name, (struct timeval *)0)); 58*0Sstevel@tonic-gate } else { 59*0Sstevel@tonic-gate tv[0].tv_sec = (long)otv[0]; 60*0Sstevel@tonic-gate tv[0].tv_usec = 0; 61*0Sstevel@tonic-gate tv[1].tv_sec = (long)otv[1]; 62*0Sstevel@tonic-gate tv[1].tv_usec = 0; 63*0Sstevel@tonic-gate } 64*0Sstevel@tonic-gate return (utimes(name, tv)); 65*0Sstevel@tonic-gate } 66