1  ///////////////////////////////////////////////////////////////////////////////
       2  //
       3  /// \file       repeat.c
       4  /// \brief      Repeats given string given times
       5  ///
       6  /// This program can be useful when debugging run-length encoder in
       7  /// the Subblock filter, especially the condition when repeat count
       8  /// doesn't fit into 28-bit integer.
       9  //
      10  //  Author:     Lasse Collin
      11  //
      12  //  This file has been put into the public domain.
      13  //  You can do whatever you want with this file.
      14  //
      15  ///////////////////////////////////////////////////////////////////////////////
      16  
      17  #include "sysdefs.h"
      18  #include <stdio.h>
      19  
      20  
      21  int
      22  main(int argc, char **argv)
      23  {
      24  	if (argc != 3) {
      25  		fprintf(stderr, "Usage: %s COUNT STRING\n", argv[0]);
      26  		exit(1);
      27  	}
      28  
      29  	unsigned long long count = strtoull(argv[1], NULL, 10);
      30  	const size_t size = strlen(argv[2]);
      31  
      32  	while (count-- != 0)
      33  		fwrite(argv[2], 1, size, stdout);
      34  
      35  	return !!(ferror(stdout) || fclose(stdout));
      36  }