#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <stdio.h>

#include <stdlib.h>

#include <errno.h>

#include <string.h>

#include <unistd.h>

static int

test_ebadf (void)

{

  int fd, ret, err;

  fd = posix_openpt (O_RDWR);

  if (fd == -1)

    {

      printf ("posix_openpt(O_RDWR) failed\nerrno %d (%s)\n",

	      errno, strerror (errno));

      /* We don't fail because of this; maybe the system does not have

	 SUS pseudo terminals.  */

      return 0;

    }

  unlockpt (fd);

  close (fd);

  ret = grantpt (fd);

  err = errno;

  if (ret != -1 || err != EBADF)

    {

      printf ("grantpt(): expected: return = %d, errno = %d\n", -1, EBADF);

      printf ("           got: return = %d, errno = %d\n", ret, err);

      return 1;

    }

  return 0;

}

static int

test_einval (void)

{

  int fd, ret, err;

  const char file[] = "./grantpt-einval";

  fd = open (file, O_RDWR | O_CREAT, 0600);

  if (fd == -1)

    {

      printf ("open(\"%s\", O_RDWR) failed\nerrno %d (%s)\n",

	      file, errno, strerror (errno));

      return 0;

    }

  unlink (file);

  ret = grantpt (fd);

  err = errno;

  if (ret != -1 || err != EINVAL)

    {

      printf ("grantpt(): expected: return = %d, errno = %d\n", -1, EINVAL);

      printf ("           got: return = %d, errno = %d\n", ret, err);

      ret = 1;

    }

  else

    ret = 0;

  close (fd);

  return ret;

}

static int

do_test (void)

{

  int result = 0;

  result += test_ebadf ();

  result += test_einval ();

  return result;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"