1/* 2 * Copyright (C) 2005, 2007 Free Software Foundation 3 * Written by Jim Meyering. 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 3 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18#include <config.h> 19 20#include <sys/time.h> 21#include <time.h> 22 23#include <stdio.h> 24#include <string.h> 25 26int 27main (int argc, char *argv[]) 28{ 29 time_t t = 0; 30 struct tm *lt; 31 struct tm saved_lt; 32 struct timeval tv; 33 lt = localtime (&t); 34 saved_lt = *lt; 35 gettimeofday (&tv, NULL); 36 if (memcmp (lt, &saved_lt, sizeof (struct tm)) != 0) 37 { 38 fprintf (stderr, "gettimeofday still clobbers the localtime buffer!\n"); 39 return 1; 40 } 41 else 42 { 43 return 0; 44 } 45} 46