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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;

}