glibc/sysdeps/mips/fpu/fgetexcptflg.c

/* Store current representation for exceptions.
   Copyright (C) 1998-2016 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Andreas Jaeger <aj@suse.de>, 1998.

   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 <fpu_control.h>

int
fegetexceptflag (fexcept_t *flagp, int excepts)
{
  fpu_control_t temp;

  /* Get the current exceptions.  */
  _FPU_GETCW (temp);

  /* We only save the relevant bits here. In particular, care has to be
     taken with the CAUSE bits, as an inadvertent restore later on could
     generate unexpected exceptions.  */

  *flagp = temp & excepts & FE_ALL_EXCEPT;

  /* Success.  */
  return 0;
}