#define _GNU_SOURCE
#define _FORTIFY_SOURCE 2
#include <fcntl.h>
#include <mqueue.h>
#include <stdlib.h>

volatile int l0, l1;

int
open_test (void)
{
  if (open ("a", O_CREAT | O_RDWR, 0644) == -1)
    abort ();
  if (open ("b", O_RDWR, 0755) == -1)
    abort ();
  if (open ("c", O_WRONLY) == -1)
    abort ();
  if (open ("d", l0 + O_CREAT | O_RDWR, 0600) == -1)
    abort ();
  if (open ("e", l0 + O_RDWR, 0700) == -1)
    abort ();
  if (open ("f", l0 + O_WRONLY) == -1)
    abort ();
  /* Invalid use of open, but only detectable at runtime.  */
  if (open ("g", l1 + O_CREAT | O_RDWR) == -1)
    abort ();
  return 0;
}

int
open64_test (void)
{
  if (open64 ("a", O_CREAT | O_RDWR, 0644) == -1)
    abort ();
  if (open64 ("b", O_RDWR, 0755) == -1)
    abort ();
  if (open64 ("c", O_WRONLY) == -1)
    abort ();
  if (open64 ("d", l0 + O_CREAT | O_RDWR, 0600) == -1)
    abort ();
  if (open64 ("e", l0 + O_RDWR, 0700) == -1)
    abort ();
  if (open64 ("f", l0 + O_WRONLY) == -1)
    abort ();
  /* Invalid use of open, but only detectable at runtime.  */
  if (open64 ("g", l1 + O_CREAT | O_RDWR) == -1)
    abort ();
  return 0;
}

int
openat_test (int fd)
{
  if (openat (fd, "a", O_CREAT | O_RDWR, 0644) == -1)
    abort ();
  if (openat (fd, "b", O_RDWR, 0755) == -1)
    abort ();
  if (openat (fd, "c", O_WRONLY) == -1)
    abort ();
  if (openat (fd, "d", l0 + O_CREAT | O_RDWR, 0600) == -1)
    abort ();
  if (openat (fd, "e", l0 + O_RDWR, 0700) == -1)
    abort ();
  if (openat (fd, "f", l0 + O_WRONLY) == -1)
    abort ();
  /* Invalid use of open, but only detectable at runtime.  */
  if (openat (fd, "g", l1 + O_CREAT | O_RDWR) == -1)
    abort ();
  return 0;
}

int
openat64_test (int fd)
{
  if (openat64 (fd, "a", O_CREAT | O_RDWR, 0644) == -1)
    abort ();
  if (openat64 (fd, "b", O_RDWR, 0755) == -1)
    abort ();
  if (openat64 (fd, "c", O_WRONLY) == -1)
    abort ();
  if (openat64 (fd, "d", l0 + O_CREAT | O_RDWR, 0600) == -1)
    abort ();
  if (openat64 (fd, "e", l0 + O_RDWR, 0700) == -1)
    abort ();
  if (openat64 (fd, "f", l0 + O_WRONLY) == -1)
    abort ();
  /* Invalid use of open, but only detectable at runtime.  */
  if (openat64 (fd, "g", l1 + O_CREAT | O_RDWR) == -1)
    abort ();
  return 0;
}

int
mqopen_test (void)
{
  if (mq_open ("/a", O_CREAT | O_RDWR, 0644, NULL) == -1)
    abort ();
  if (mq_open ("/b", O_RDWR, 0755, NULL) != -1)
    abort ();
  if (mq_open ("/c", O_WRONLY) != -1)
    abort ();
  if (mq_open ("/d", l0 + O_CREAT | O_RDWR, 0600, NULL) == -1)
    abort ();
  if (mq_open ("/e", l0 + O_RDWR, 0700, NULL) != -1)
    abort ();
  if (mq_open ("/f", l0 + O_WRONLY) != -1)
    abort ();
  /* Invalid use of open, but only detectable at runtime.  */
  if (mq_open ("/g", l1 + O_CREAT | O_RDWR) != -1)
    abort ();
  return 0;
}

int
main (void)
{
  int fd = open (".", O_DIRECTORY | O_RDONLY);
  l1 = -O_CREAT;
  open_test ();
  open64_test ();
  openat_test (fd);
  openat64_test (fd);
  mqopen_test ();
  l1 = 0;
  return 0;
}