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

#define BLOCKSZ 4096

int
main (int argc, char *argv[])
{
  int i, j;
  void *p;

  /* make some chaos in the heap */
  for (i = 0; i < 1000; i++)
    for (j = 0; j < 1024; j++)
      {
	p = malloc (j);
	if (((i + j) & 7) == 0)
	  free (p);
      }

  /* test */
  for (i = 0; i < 16; i++)
    if (!posix_memalign (&p, BLOCKSZ, BLOCKSZ - sizeof (long)))
      printf ("%p\n", p);
  printf ("--\n");

  /* make even more chaos with larger chunks */
  for (i = 0; i < 1000; i++)
    {
      p = malloc (i * 1000);
      if ((i & 7) == 0)
	free (p);
    }

  /* test again */
  for (i = 0; i < 16; i++)
    if (!posix_memalign (&p, BLOCKSZ, BLOCKSZ - sizeof (long)))
      printf ("%p\n", p);

  return 0;
}