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

int main(int argc, char *argv[])
{
  int mbs_to_hog = 0;
  int i, j;
  char *buf;
  
  if (argc < 2) {
    printf("specify amount of memory to hog in MB");
    exit(1);
  }

  mbs_to_hog = atoi(argv[1]);
  printf("hogging %d MB:", mbs_to_hog);
  fflush(stdout);

  for (i = 0; i < mbs_to_hog; ++i) {
    buf = malloc(1000*1000);
    if (!buf) {
      printf("ran out of memory");
      exit(1);
    }
    
    for (j = 0; j < 1000*1000; ++j)
      buf[j] = j;

    if ((i + 1) % 20 == 0) {
      printf(" %d", (i + 1));
      fflush(stdout);
    }
  }


  if (i % 20 != 0) {
    printf(" %d", i);
    fflush(stdout);
  }
  
  printf("\n");

  sleep(60);
  
  return 0;
}