1 /* Implementation of the CHDIR intrinsic.
2 Copyright (C) 2005 Free Software Foundation, Inc.
3 Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
5 This file is part of the GNU Fortran 95 runtime library (libgfortran).
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 2 of the License, or (at your option) any later version.
12 In addition to the permissions in the GNU General Public License, the
13 Free Software Foundation gives you unlimited permission to link the
14 compiled version of this file into combinations with other programs,
15 and to distribute those combinations without any restriction coming
16 from the use of this file. (The General Public License restrictions
17 do apply in other respects; for example, they cover modification of
18 the file, and distribution when not linked into a combine
21 Libgfortran is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public
27 License along with libgfortran; see the file COPYING. If not,
28 write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
29 Boston, MA 02110-1301, USA. */
32 #include "libgfortran.h"
45 /* SUBROUTINE CHDIR(DIR, STATUS)
46 CHARACTER(len=*), INTENT(IN) :: DIR
47 INTEGER, INTENT(OUT), OPTIONAL :: STATUS */
50 extern void chdir_i4_sub (char *, GFC_INTEGER_4
*, gfc_charlen_type
);
51 iexport_proto(chdir_i4_sub
);
54 chdir_i4_sub (char *dir
, GFC_INTEGER_4
*status
, gfc_charlen_type dir_len
)
59 /* Trim trailing spaces from paths. */
60 while (dir_len
> 0 && dir
[dir_len
- 1] == ' ')
63 /* Make a null terminated copy of the strings. */
64 str
= gfc_alloca (dir_len
+ 1);
65 memcpy (str
, dir
, dir_len
);
71 *status
= (val
== 0) ? 0 : errno
;
73 iexport(chdir_i4_sub
);
75 extern void chdir_i8_sub (char *, GFC_INTEGER_8
*, gfc_charlen_type
);
76 iexport_proto(chdir_i8_sub
);
79 chdir_i8_sub (char *dir
, GFC_INTEGER_8
*status
, gfc_charlen_type dir_len
)
84 /* Trim trailing spaces from paths. */
85 while (dir_len
> 0 && dir
[dir_len
- 1] == ' ')
88 /* Make a null terminated copy of the strings. */
89 str
= gfc_alloca (dir_len
+ 1);
90 memcpy (str
, dir
, dir_len
);
96 *status
= (val
== 0) ? 0 : errno
;
98 iexport(chdir_i8_sub
);
100 extern GFC_INTEGER_4
chdir_i4 (char *, gfc_charlen_type
);
101 export_proto(chdir_i4
);
104 chdir_i4 (char *dir
, gfc_charlen_type dir_len
)
107 chdir_i4_sub (dir
, &val
, dir_len
);
111 extern GFC_INTEGER_8
chdir_i8 (char *, gfc_charlen_type
);
112 export_proto(chdir_i8
);
115 chdir_i8 (char *dir
, gfc_charlen_type dir_len
)
118 chdir_i8_sub (dir
, &val
, dir_len
);