sysdeps/s390/fpu/fgetexcptflg.c

   1 /* Store current representation for exceptions.
   2    Copyright (C) 2000 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Library General Public License as
   8    published by the Free Software Foundation; either version 2 of the
   9    License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA. */
  20
  21 #include <fenv_libc.h>
  22 #include <fpu_control.h>
  23
  24 int
  25 fegetexceptflag (fexcept_t *flagp, int excepts)
  26 {
  27   fexcept_t temp, newexcepts;
  28
  29   /* Get the current exceptions.  */
  30   _FPU_GETCW (temp);
  31   newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT);
  32   *flagp = temp & newexcepts;
  33
  34   /* Success.  */
  35   return 0;
  36 }