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      1 /* Implementation of the UMASK intrinsic.
      2    Copyright (C) 2004-2022 Free Software Foundation, Inc.
      3    Contributed by Steven G. Kargl <kargls (at) comcast.net>.
      4 
      5 This file is part of the GNU Fortran runtime library (libgfortran).
      6 
      7 Libgfortran is free software; you can redistribute it and/or
      8 modify it under the terms of the GNU General Public
      9 License as published by the Free Software Foundation; either
     10 version 3 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 General Public License for more details.
     16 
     17 Under Section 7 of GPL version 3, you are granted additional
     18 permissions described in the GCC Runtime Library Exception, version
     19 3.1, as published by the Free Software Foundation.
     20 
     21 You should have received a copy of the GNU General Public License and
     22 a copy of the GCC Runtime Library Exception along with this program;
     23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     24 <http://www.gnu.org/licenses/>.  */
     25 
     26 
     27 #include "libgfortran.h"
     28 
     29 #ifdef HAVE_SYS_STAT_H
     30 #include <sys/stat.h>
     31 #endif
     32 
     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 }
     86