ttytime.c (2642B)
1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <assert.h> 37 38 #include "io.h" 39 #include "ttyrec.h" 40 41 void 42 calc_time (const char *filename, time_t *start_time, int *duration) 43 { 44 Header start, end; 45 FILE *fp = efopen(filename, "r"); 46 47 read_header(fp, &start); 48 fseek(fp, start.len, SEEK_CUR); 49 while (1) { 50 Header h; 51 if (read_header(fp, &h) == 0) { 52 break; 53 } 54 end = h; 55 fseek(fp, h.len, SEEK_CUR); 56 } 57 *start_time = start.tv.tv_sec; 58 *duration = end.tv.tv_sec - start.tv.tv_sec; 59 } 60 61 int 62 main (int argc, char **argv) 63 { 64 int i; 65 time_t start_time; 66 int duration; 67 set_progname(argv[0]); 68 for (i = 1; i < argc; i++) { 69 char *filename = argv[i]; 70 calc_time(filename, &start_time, &duration); 71 printf("%10d %10d %s\n", (int) start_time, duration, filename); 72 } 73 return 0; 74 }