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 /* Copyright (c) 1988 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28*0Sstevel@tonic-gate * Use is subject to license terms. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.15 */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * This routine converts time as follows. The epoch is 0000 Jan 1 35*0Sstevel@tonic-gate * 1970 GMT. The argument time is in seconds since then. The 36*0Sstevel@tonic-gate * localtime(t) entry returns a pointer to an array containing: 37*0Sstevel@tonic-gate * 38*0Sstevel@tonic-gate * seconds (0-59) 39*0Sstevel@tonic-gate * minutes (0-59) 40*0Sstevel@tonic-gate * hours (0-23) 41*0Sstevel@tonic-gate * day of month (1-31) 42*0Sstevel@tonic-gate * month (0-11) 43*0Sstevel@tonic-gate * year 44*0Sstevel@tonic-gate * weekday (0-6, Sun is 0) 45*0Sstevel@tonic-gate * day of the year 46*0Sstevel@tonic-gate * daylight savings flag 47*0Sstevel@tonic-gate * 48*0Sstevel@tonic-gate * The routine corrects for daylight saving time and will work in 49*0Sstevel@tonic-gate * any time zone provided "timezone" is adjusted to the difference 50*0Sstevel@tonic-gate * between Greenwich and local standard time (measured in seconds). 51*0Sstevel@tonic-gate * 52*0Sstevel@tonic-gate * ascftime(buf, format, t) -> where t is produced by localtime 53*0Sstevel@tonic-gate * and returns a ptr to a character 54*0Sstevel@tonic-gate * string that has the ascii time in 55*0Sstevel@tonic-gate * the format specified by the format 56*0Sstevel@tonic-gate * argument (see date(1) for format 57*0Sstevel@tonic-gate * syntax). 58*0Sstevel@tonic-gate * 59*0Sstevel@tonic-gate * cftime(buf, format, t) -> just calls ascftime. 60*0Sstevel@tonic-gate * 61*0Sstevel@tonic-gate * 62*0Sstevel@tonic-gate * 63*0Sstevel@tonic-gate */ 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate #pragma weak ascftime = _ascftime 66*0Sstevel@tonic-gate #pragma weak cftime = _cftime 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate #include "synonyms.h" 69*0Sstevel@tonic-gate #include <mtlib.h> 70*0Sstevel@tonic-gate #include <stddef.h> 71*0Sstevel@tonic-gate #include <time.h> 72*0Sstevel@tonic-gate #include <limits.h> 73*0Sstevel@tonic-gate #include <stdlib.h> 74*0Sstevel@tonic-gate #include <thread.h> 75*0Sstevel@tonic-gate #include <synch.h> 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate int 78*0Sstevel@tonic-gate cftime(char *buf, char *format, const time_t *t) 79*0Sstevel@tonic-gate { 80*0Sstevel@tonic-gate struct tm res; 81*0Sstevel@tonic-gate struct tm *p; 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate p = localtime_r(t, &res); 84*0Sstevel@tonic-gate if (p == NULL) { 85*0Sstevel@tonic-gate *buf = '\0'; 86*0Sstevel@tonic-gate return (0); 87*0Sstevel@tonic-gate } 88*0Sstevel@tonic-gate /* LINTED do not use ascftime() */ 89*0Sstevel@tonic-gate return (ascftime(buf, format, p)); 90*0Sstevel@tonic-gate } 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate int 93*0Sstevel@tonic-gate ascftime(char *buf, const char *format, const struct tm *tm) 94*0Sstevel@tonic-gate { 95*0Sstevel@tonic-gate /* Set format string, if not already set */ 96*0Sstevel@tonic-gate if (format == NULL || *format == '\0') 97*0Sstevel@tonic-gate if (((format = getenv("CFTIME")) == 0) || *format == 0) 98*0Sstevel@tonic-gate format = "%C"; 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate return ((int)strftime(buf, LONG_MAX, format, tm)); 101*0Sstevel@tonic-gate } 102