| /* Implementation of the CHDIR intrinsic. |
| Copyright (C) 2005-2024 Free Software Foundation, Inc. |
| Contributed by François-Xavier Coudert <coudert@clipper.ens.fr> |
| |
| This file is part of the GNU Fortran 95 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 <errno.h> |
| |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| |
| /* SUBROUTINE CHDIR(DIR, STATUS) |
| CHARACTER(len=*), INTENT(IN) :: DIR |
| INTEGER, INTENT(OUT), OPTIONAL :: STATUS */ |
| |
| #ifdef HAVE_CHDIR |
| extern void chdir_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type); |
| iexport_proto(chdir_i4_sub); |
| |
| void |
| chdir_i4_sub (char *dir, GFC_INTEGER_4 *status, gfc_charlen_type dir_len) |
| { |
| int val; |
| char *str = fc_strdup (dir, dir_len); |
| |
| val = chdir (str); |
| free (str); |
| |
| if (status != NULL) |
| *status = (val == 0) ? 0 : errno; |
| } |
| iexport(chdir_i4_sub); |
| |
| extern void chdir_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type); |
| iexport_proto(chdir_i8_sub); |
| |
| void |
| chdir_i8_sub (char *dir, GFC_INTEGER_8 *status, gfc_charlen_type dir_len) |
| { |
| int val; |
| char *str = fc_strdup (dir, dir_len); |
| |
| val = chdir (str); |
| free (str); |
| |
| if (status != NULL) |
| *status = (val == 0) ? 0 : errno; |
| } |
| iexport(chdir_i8_sub); |
| |
| extern GFC_INTEGER_4 chdir_i4 (char *, gfc_charlen_type); |
| export_proto(chdir_i4); |
| |
| GFC_INTEGER_4 |
| chdir_i4 (char *dir, gfc_charlen_type dir_len) |
| { |
| GFC_INTEGER_4 val; |
| chdir_i4_sub (dir, &val, dir_len); |
| return val; |
| } |
| |
| extern GFC_INTEGER_8 chdir_i8 (char *, gfc_charlen_type); |
| export_proto(chdir_i8); |
| |
| GFC_INTEGER_8 |
| chdir_i8 (char *dir, gfc_charlen_type dir_len) |
| { |
| GFC_INTEGER_8 val; |
| chdir_i8_sub (dir, &val, dir_len); |
| return val; |
| } |
| #endif |