/* Test fegetenv preserves exception mask (bug 16198).

   Copyright (C) 2014-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <fenv.h>

#include <stdio.h>

static int

do_test (void)

{

#if FE_ALL_EXCEPT

  fenv_t env;

  if (feenableexcept (FE_INVALID) != 0)

    {

      puts ("feenableexcept (FE_INVALID) failed, cannot test");

      return 0;

    }

  if (fegetenv (&env) != 0)

    {

      puts ("fegetenv failed, cannot test");

      return 0;

    }

  int ret = fegetexcept ();

  if (ret == FE_INVALID)

    {

      puts ("fegetenv preserved exception mask, OK");

      return 0;

    }

  else

    {

      printf ("fegetexcept returned %d, expected %d\n", ret, FE_INVALID);

      return 1;

    }

#else

  puts ("No exceptions defined, cannot test");

  return 0;

#endif

}

#define TEST_FUNCTION do_test ()

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