source: MondoRescue/branches/3.2/mindi-busybox/util-linux/scriptreplay.c@ 3232

/* vi: set sw=4 ts=4: */
/*
 * scriptreplay - play back typescripts, using timing information
 *
 * pascal.bellard@ads-lu.com
 *
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 *
 */

//usage:#define scriptreplay_trivial_usage
//usage:       "timingfile [typescript [divisor]]"
//usage:#define scriptreplay_full_usage "\n\n"
//usage:       "Play back typescripts, using timing information"

#include "libbb.h"

int scriptreplay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int scriptreplay_main(int argc UNUSED_PARAM, char **argv)
{
    const char *script = "typescript";
    double delay, factor = 1000000.0;
    int fd;
    unsigned long count;
    FILE *tfp;

    if (!argv[1])
        bb_show_usage();

    if (argv[2]) {
        script = argv[2];
        if (argv[3])
            factor /= atof(argv[3]);
    }

    tfp = xfopen_for_read(argv[1]);
    fd = xopen(script, O_RDONLY);
    while (fscanf(tfp, "%lf %lu\n", &delay, &count) == 2) {
        usleep(delay * factor);
        bb_copyfd_exact_size(fd, STDOUT_FILENO, count);
    }
    if (ENABLE_FEATURE_CLEAN_UP) {
        close(fd);
        fclose(tfp);
    }
    return EXIT_SUCCESS;
}