libgfortran/intrinsics/umask.c

   1 /* Implementation of the UMASK intrinsic.
   2    Copyright (C) 2004 Free Software Foundation, Inc.
   3    Contributed by Steven G. Kargl <kargls@comcast.net>.
   4
   5 This file is part of the GNU Fortran 95 runtime library (libgfortran).
   6
   7 Libgfortran is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU Lesser General Public
   9 License as published by the Free Software Foundation; either
  10 version 2.1 of the License, or (at your option) any later version.
  11
  12 Libgfortran is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU Lesser General Public License for more details.
  16
  17 You should have received a copy of the GNU Lesser General Public
  18 License along with libgfor; see the file COPYING.LIB.  If not,
  19 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22
  23 #include "config.h"
  24 #include "libgfortran.h"
  25
  26 #ifdef HAVE_STDLIB_H
  27 #include <stdlib.h>
  28 #endif
  29
  30 #ifdef HAVE_SYS_STAT_H
  31 #include <sys/stat.h>
  32 #endif
  33
  34 /* SUBROUTINE UMASK(MASK, OLD)
  35    INTEGER, INTENT(IN) :: MASK
  36    INTEGER, INTENT(OUT), OPTIONAL :: OLD  */
  37
  38 extern void umask_i4_sub (GFC_INTEGER_4 *, GFC_INTEGER_4 *);
  39 iexport_proto(umask_i4_sub);
  40
  41 void
  42 umask_i4_sub (GFC_INTEGER_4 *mask, GFC_INTEGER_4 *old)
  43 {
  44   mode_t val = umask((mode_t) *mask);
  45   if (old != NULL)
  46     *old = (GFC_INTEGER_4) val;
  47 }
  48 iexport(umask_i4_sub);
  49
  50 extern void umask_i8_sub (GFC_INTEGER_8 *, GFC_INTEGER_8 *);
  51 iexport_proto(umask_i8_sub);
  52
  53 void
  54 umask_i8_sub (GFC_INTEGER_8 *mask, GFC_INTEGER_8 *old)
  55 {
  56   mode_t val = umask((mode_t) *mask);
  57   if (old != NULL)
  58     *old = (GFC_INTEGER_8) val;
  59 }
  60 iexport(umask_i8_sub);
  61
  62 /* INTEGER FUNCTION UMASK(MASK)
  63    INTEGER, INTENT(IN) :: MASK  */
  64
  65 extern GFC_INTEGER_4 umask_i4 (GFC_INTEGER_4 *);
  66 export_proto(umask_i4);
  67
  68 GFC_INTEGER_4
  69 umask_i4 (GFC_INTEGER_4 *mask)
  70 {
  71   GFC_INTEGER_4 old;
  72   umask_i4_sub (mask, &old);
  73   return old;
  74 }
  75
  76 extern GFC_INTEGER_8 umask_i8 (GFC_INTEGER_8 *);
  77 export_proto(umask_i8);
  78
  79 GFC_INTEGER_8
  80 umask_i8 (GFC_INTEGER_8 *mask)
  81 {
  82   GFC_INTEGER_8 old;
  83   umask_i8_sub (mask, &old);
  84   return old;
  85 }