57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* scriptreplay - play back typescripts, using timing information
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*
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* pascal.bellard@ads-lu.com
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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//config:config SCRIPTREPLAY
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//config: bool "scriptreplay (2.6 kb)"
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//config: default y
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//config: help
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//config: This program replays a typescript, using timing information
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//config: given by script -t.
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//applet:IF_SCRIPTREPLAY(APPLET(scriptreplay, BB_DIR_BIN, BB_SUID_DROP))
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//kbuild:lib-$(CONFIG_SCRIPTREPLAY) += scriptreplay.o
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//usage:#define scriptreplay_trivial_usage
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//usage: "TIMINGFILE [TYPESCRIPT [DIVISOR]]"
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//usage:#define scriptreplay_full_usage "\n\n"
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//usage: "Play back typescripts, using timing information"
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#include "libbb.h"
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int scriptreplay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int scriptreplay_main(int argc UNUSED_PARAM, char **argv)
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{
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const char *script = "typescript";
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double delay, factor = 1000000.0;
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int fd;
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unsigned long count;
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FILE *tfp;
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if (!argv[1])
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bb_show_usage();
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if (argv[2]) {
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script = argv[2];
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if (argv[3])
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factor /= atof(argv[3]);
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}
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tfp = xfopen_for_read(argv[1]);
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fd = xopen(script, O_RDONLY);
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while (fscanf(tfp, "%lf %lu\n", &delay, &count) == 2) {
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usleep(delay * factor);
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bb_copyfd_exact_size(fd, STDOUT_FILENO, count);
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}
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if (ENABLE_FEATURE_CLEAN_UP) {
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close(fd);
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fclose(tfp);
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}
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return EXIT_SUCCESS;
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}
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