1 /* Implementation of the CHDIR intrinsic. 2 Copyright (C) 2005-2020 Free Software Foundation, Inc. 3 Contributed by François-Xavier Coudert <coudert@clipper.ens.fr> 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 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 #include "libgfortran.h" 27 28 #include <errno.h> 29 30 #ifdef HAVE_UNISTD_H 31 #include <unistd.h> 32 #endif 33 34 /* SUBROUTINE CHDIR(DIR, STATUS) 35 CHARACTER(len=*), INTENT(IN) :: DIR 36 INTEGER, INTENT(OUT), OPTIONAL :: STATUS */ 37 38 #ifdef HAVE_CHDIR 39 extern void chdir_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type); 40 iexport_proto(chdir_i4_sub); 41 42 void 43 chdir_i4_sub (char *dir, GFC_INTEGER_4 *status, gfc_charlen_type dir_len) 44 { 45 int val; 46 char *str = fc_strdup (dir, dir_len); 47 48 val = chdir (str); 49 free (str); 50 51 if (status != NULL) 52 *status = (val == 0) ? 0 : errno; 53 } 54 iexport(chdir_i4_sub); 55 56 extern void chdir_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type); 57 iexport_proto(chdir_i8_sub); 58 59 void 60 chdir_i8_sub (char *dir, GFC_INTEGER_8 *status, gfc_charlen_type dir_len) 61 { 62 int val; 63 char *str = fc_strdup (dir, dir_len); 64 65 val = chdir (str); 66 free (str); 67 68 if (status != NULL) 69 *status = (val == 0) ? 0 : errno; 70 } 71 iexport(chdir_i8_sub); 72 73 extern GFC_INTEGER_4 chdir_i4 (char *, gfc_charlen_type); 74 export_proto(chdir_i4); 75 76 GFC_INTEGER_4 77 chdir_i4 (char *dir, gfc_charlen_type dir_len) 78 { 79 GFC_INTEGER_4 val; 80 chdir_i4_sub (dir, &val, dir_len); 81 return val; 82 } 83 84 extern GFC_INTEGER_8 chdir_i8 (char *, gfc_charlen_type); 85 export_proto(chdir_i8); 86 87 GFC_INTEGER_8 88 chdir_i8 (char *dir, gfc_charlen_type dir_len) 89 { 90 GFC_INTEGER_8 val; 91 chdir_i8_sub (dir, &val, dir_len); 92 return val; 93 } 94 #endif 95