root/debug/repeat.c

DEFINITIONS

1. main

///////////////////////////////////////////////////////////////////////////////
//
/// \file       repeat.c
/// \brief      Repeats given string given times
///
/// This program can be useful when debugging run-length encoder in
/// the Subblock filter, especially the condition when repeat count
/// doesn't fit into 28-bit integer.
//
//  Author:     Lasse Collin
//
//  This file has been put into the public domain.
//  You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////

#include "sysdefs.h"
#include <stdio.h>


int
main(int argc, char **argv)
{
        if (argc != 3) {
                fprintf(stderr, "Usage: %s COUNT STRING\n", argv[0]);
                exit(1);
        }

        unsigned long long count = strtoull(argv[1], NULL, 10);
        const size_t size = strlen(argv[2]);

        while (count-- != 0)
                fwrite(argv[2], 1, size, stdout);

        return !!(ferror(stdout) || fclose(stdout));
}