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a8c60d7f | 1 | /* Implementation of the GETCWD intrinsic. |
748086b7 | 2 | Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc. |
a8c60d7f SK |
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 | |
57dea9f6 | 8 | modify it under the terms of the GNU General Public |
a8c60d7f | 9 | License as published by the Free Software Foundation; either |
748086b7 | 10 | version 3 of the License, or (at your option) any later version. |
a8c60d7f SK |
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 | |
57dea9f6 | 15 | GNU General Public License for more details. |
a8c60d7f | 16 | |
748086b7 JJ |
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/>. */ | |
a8c60d7f | 25 | |
a8c60d7f SK |
26 | #include "libgfortran.h" |
27 | ||
36ae8a61 FXC |
28 | #include <string.h> |
29 | #include <errno.h> | |
30 | ||
a8c60d7f SK |
31 | #ifdef HAVE_UNISTD_H |
32 | #include <unistd.h> | |
33 | #endif | |
a8c60d7f | 34 | |
2515e5a7 FXC |
35 | #ifdef HAVE_GETCWD |
36 | ||
7d7b8bfe RH |
37 | extern void getcwd_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type); |
38 | iexport_proto(getcwd_i4_sub); | |
39 | ||
a8c60d7f | 40 | void |
7d7b8bfe | 41 | getcwd_i4_sub (char *cwd, GFC_INTEGER_4 *status, gfc_charlen_type cwd_len) |
a8c60d7f | 42 | { |
deeab820 | 43 | char str[cwd_len + 1]; |
a8c60d7f SK |
44 | GFC_INTEGER_4 stat; |
45 | ||
46 | memset(cwd, ' ', (size_t) cwd_len); | |
47 | ||
48 | if (!getcwd (str, (size_t) cwd_len + 1)) | |
49 | stat = errno; | |
50 | else | |
51 | { | |
52 | stat = 0; | |
53 | memcpy (cwd, str, strlen (str)); | |
54 | } | |
deeab820 | 55 | if (status != NULL) |
a8c60d7f SK |
56 | *status = stat; |
57 | } | |
7d7b8bfe RH |
58 | iexport(getcwd_i4_sub); |
59 | ||
60 | extern void getcwd_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type); | |
61 | export_proto(getcwd_i8_sub); | |
a8c60d7f SK |
62 | |
63 | void | |
7d7b8bfe | 64 | getcwd_i8_sub (char *cwd, GFC_INTEGER_8 *status, gfc_charlen_type cwd_len) |
a8c60d7f SK |
65 | { |
66 | GFC_INTEGER_4 status4; | |
7d7b8bfe | 67 | getcwd_i4_sub (cwd, &status4, cwd_len); |
a8c60d7f SK |
68 | if (status) |
69 | *status = status4; | |
70 | } | |
71 | ||
7d7b8bfe RH |
72 | extern GFC_INTEGER_4 PREFIX(getcwd) (char *, gfc_charlen_type); |
73 | export_proto_np(PREFIX(getcwd)); | |
74 | ||
a8c60d7f | 75 | GFC_INTEGER_4 |
7d7b8bfe | 76 | PREFIX(getcwd) (char *cwd, gfc_charlen_type cwd_len) |
a8c60d7f SK |
77 | { |
78 | GFC_INTEGER_4 status; | |
7d7b8bfe | 79 | getcwd_i4_sub (cwd, &status, cwd_len); |
a8c60d7f SK |
80 | return status; |
81 | } | |
2515e5a7 FXC |
82 | |
83 | #endif |