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 int
calc_time(const char * filename)42 calc_time (const char *filename)
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 return end.tv.tv_sec - start.tv.tv_sec;
58 }
59
60 int
main(int argc,char ** argv)61 main (int argc, char **argv)
62 {
63 int i;
64 set_progname(argv[0]);
65 for (i = 1; i < argc; i++) {
66 char *filename = argv[i];
67 printf("%7d %s\n", calc_time(filename), filename);
68 }
69 return 0;
70 }
71