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/* Implementation of the UMASK intrinsic.
   Copyright (C) 2004, 2007, 2009, 2011 Free Software Foundation, Inc.
   Contributed by Steven G. Kargl <kargls@comcast.net>.
 
This file is part of the GNU Fortran runtime library (libgfortran).
 
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
 
Libgfortran 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 General Public License for more details.
 
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
 
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */
 
 
#include "libgfortran.h"
#include <stdlib.h>
 
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
 
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
 
 
/* SUBROUTINE UMASK(MASK, OLD)
   INTEGER, INTENT(IN) :: MASK
   INTEGER, INTENT(OUT), OPTIONAL :: OLD  */
 
extern void umask_i4_sub (GFC_INTEGER_4 *, GFC_INTEGER_4 *);
iexport_proto(umask_i4_sub);
 
void
umask_i4_sub (GFC_INTEGER_4 *mask, GFC_INTEGER_4 *old)
{
  mode_t val = umask((mode_t) *mask);
  if (old != NULL)
    *old = (GFC_INTEGER_4) val;
}
iexport(umask_i4_sub);
 
extern void umask_i8_sub (GFC_INTEGER_8 *, GFC_INTEGER_8 *);
iexport_proto(umask_i8_sub);
 
void
umask_i8_sub (GFC_INTEGER_8 *mask, GFC_INTEGER_8 *old)
{
  mode_t val = umask((mode_t) *mask);
  if (old != NULL)
    *old = (GFC_INTEGER_8) val;
}
iexport(umask_i8_sub);
 
/* INTEGER FUNCTION UMASK(MASK)
   INTEGER, INTENT(IN) :: MASK  */
 
extern GFC_INTEGER_4 umask_i4 (GFC_INTEGER_4 *);
export_proto(umask_i4);
 
GFC_INTEGER_4
umask_i4 (GFC_INTEGER_4 *mask)
{
  GFC_INTEGER_4 old;
  umask_i4_sub (mask, &old);
  return old;
}
 
extern GFC_INTEGER_8 umask_i8 (GFC_INTEGER_8 *);
export_proto(umask_i8);
 
GFC_INTEGER_8
umask_i8 (GFC_INTEGER_8 *mask)
{
  GFC_INTEGER_8 old;
  umask_i8_sub (mask, &old);
  return old;
}