blob: 8a0c7489d17e8b6becc0edc44d6edbb657dcb3a2
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * scriptreplay - play back typescripts, using timing information |
4 | * |
5 | * pascal.bellard@ads-lu.com |
6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
8 | * |
9 | */ |
10 | //config:config SCRIPTREPLAY |
11 | //config: bool "scriptreplay" |
12 | //config: default y |
13 | //config: help |
14 | //config: This program replays a typescript, using timing information |
15 | //config: given by script -t. |
16 | |
17 | //applet:IF_SCRIPTREPLAY(APPLET(scriptreplay, BB_DIR_BIN, BB_SUID_DROP)) |
18 | |
19 | //kbuild:lib-$(CONFIG_SCRIPTREPLAY) += scriptreplay.o |
20 | |
21 | //usage:#define scriptreplay_trivial_usage |
22 | //usage: "timingfile [typescript [divisor]]" |
23 | //usage:#define scriptreplay_full_usage "\n\n" |
24 | //usage: "Play back typescripts, using timing information" |
25 | |
26 | #include "libbb.h" |
27 | |
28 | int scriptreplay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
29 | int scriptreplay_main(int argc UNUSED_PARAM, char **argv) |
30 | { |
31 | const char *script = "typescript"; |
32 | double delay, factor = 1000000.0; |
33 | int fd; |
34 | unsigned long count; |
35 | FILE *tfp; |
36 | |
37 | if (!argv[1]) |
38 | bb_show_usage(); |
39 | |
40 | if (argv[2]) { |
41 | script = argv[2]; |
42 | if (argv[3]) |
43 | factor /= atof(argv[3]); |
44 | } |
45 | |
46 | tfp = xfopen_for_read(argv[1]); |
47 | fd = xopen(script, O_RDONLY); |
48 | while (fscanf(tfp, "%lf %lu\n", &delay, &count) == 2) { |
49 | usleep(delay * factor); |
50 | bb_copyfd_exact_size(fd, STDOUT_FILENO, count); |
51 | } |
52 | if (ENABLE_FEATURE_CLEAN_UP) { |
53 | close(fd); |
54 | fclose(tfp); |
55 | } |
56 | return EXIT_SUCCESS; |
57 | } |
58 |