/*
 * createfile.c
 *
 * a little program to create files for use with fdev.device
 * (this is quite slow, should really use larger buffer...)
 *
 *
 * Written by Timo Rossi, completely Public Domain.
 *
 * Usage: createfile <filename> <numblocks>
 *
 */
#include <stdio.h>
#include <stdlib.h>

#define BLOCKSIZE 512

void main(int argc, char *argv[])
{
  int i, numblocks;
  FILE *fp;
  static char block[BLOCKSIZE];

  if(argc!=3)
	{
usage:
	  printf("Usage: %s <filename> <numblocks>\n", argv[0]);
	  exit(10);
	}

  if((numblocks=atoi(argv[2]))<=0) goto usage;

  if((fp=fopen(argv[1], "w"))==NULL)
	{
	  printf("Can't create file '%s'\n", argv[1]);
	  exit(10);
	}

  printf("Creating '%s' --  %d blocks, %d bytes\n",
	argv[1], numblocks, numblocks*BLOCKSIZE);

  for(i=0; i<numblocks; i++)
	fwrite(block, BLOCKSIZE, 1, fp);
  fclose(fp);
}