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

#define SIZE 1024 * 1024

int
main (int argc, char **argv)
{
  char buff[SIZE];
  int i, fd;

  for (i = 0; i < SIZE; i++)
    buff[i] = 'Z';

  for (;;)
    {
      char name[] = "./muw.XXXXXX";

      if ((fd = mkstemp (name)) == -1)
	{
	  fprintf (stderr, "mkstemp failed: %s\n", strerror (errno));
	  return 1;
	}

      if (unlink (name))
	{
	  fprintf (stderr, "unlink failed: %s\n", strerror (errno));
	  return 1;
	}

      fprintf (stdout, "writing %i bytes to %s ...\n", SIZE, name);

      if (write (fd, buff, SIZE) == -1)
	{
	  fprintf (stderr, "write failed: %s\n", strerror (errno));
	  return 1;
	}

      close (fd);
    }

  return 0;
}