#include <sys/personality.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>

static int
print_personality (unsigned long persona, char const *msg)
{
  int pers, err;
  errno = 0;
  pers = personality (persona);
  err = errno;
  printf ("personality (%s) returns 0x%x, errno=%d (%s)\n",
	  msg, pers, err, strerror (err));
  errno = err;
  return pers;
}

int
main (void)
{
  int pers;
  pers = print_personality (0xffffffff, "0xffffffff");
  if (pers & ADDR_NO_RANDOMIZE)
    printf ("ADDR_NO_RANDOMIZE was set\n");
  else
    {
      printf ("ADDR_NO_RANDOMIZE was clear\n");
      pers = print_personality (pers | ADDR_NO_RANDOMIZE,
				"pers | ADDR_NO_RANDOMIZE");
      if (0 <= personality)
	printf ("ADDR_NO_RANDOMIZE set successfully");
      else
	printf ("ADDR_NO_RANDOMIZE could not be set");
    }
  return 0;
}