#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>

int main(int argc,char** argv)
{
  unsigned long chunk_size = 0;
  char* p = 0;
  int sleep_time = 0;

  if (argc != 3)
  {
    fprintf(stderr,"Usage: memalloc bytes_to_alloc sleep_time\n");
    exit(1);
  }

  chunk_size = (unsigned long)atol(argv[1]);
  sleep_time = atoi(argv[2]);

  if (!(p=(char*)malloc(chunk_size)))
  {
    fprintf(stderr,"Error allocating %lu bytes\n", chunk_size);
    exit(1);
  }

  printf("Allocation successful, sleeping for %d seconds\n", sleep_time);
  sleep(sleep_time);
  printf("Initializing %lu bytes\n", chunk_size);
  memset(p,0,chunk_size);
  printf("Initalization successful, sleeping for %d seconds\n", sleep_time);
  sleep(sleep_time);
  printf("Freeing memory\n");
  free(p);
  printf("Memory freed\n");
  return 0;
}