|
111
|
1 /* Implementation of the UNLINK intrinsic.
|
|
145
|
2 Copyright (C) 2004-2020 Free Software Foundation, Inc.
|
|
111
|
3 Contributed by Steven G. Kargl <kargls@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 #include "libgfortran.h"
|
|
|
27
|
|
|
28 #include <errno.h>
|
|
|
29
|
|
|
30 #ifdef HAVE_UNISTD_H
|
|
|
31 #include <unistd.h>
|
|
|
32 #endif
|
|
|
33
|
|
|
34 /* SUBROUTINE UNLINK(NAME, STATUS)
|
|
|
35 CHARACTER(LEN= ), INTENT(IN) :: NAME
|
|
|
36 INTEGER, INTENT(OUT), OPTIONAL :: STATUS) */
|
|
|
37
|
|
|
38 extern void unlink_i4_sub (char *name, GFC_INTEGER_4 *status,
|
|
|
39 gfc_charlen_type name_len);
|
|
|
40 iexport_proto(unlink_i4_sub);
|
|
|
41
|
|
|
42 void
|
|
|
43 unlink_i4_sub (char *name, GFC_INTEGER_4 *status, gfc_charlen_type name_len)
|
|
|
44 {
|
|
|
45 char *str;
|
|
|
46 GFC_INTEGER_4 stat;
|
|
|
47
|
|
|
48 /* Make a null terminated copy of the string. */
|
|
|
49 str = fc_strdup (name, name_len);
|
|
|
50
|
|
|
51 stat = unlink (str);
|
|
|
52
|
|
|
53 free (str);
|
|
|
54
|
|
|
55 if (status != NULL)
|
|
|
56 *status = (stat == 0) ? stat : errno;
|
|
|
57 }
|
|
|
58 iexport(unlink_i4_sub);
|
|
|
59
|
|
|
60 extern void unlink_i8_sub (char *name, GFC_INTEGER_8 *status,
|
|
|
61 gfc_charlen_type name_len);
|
|
|
62 export_proto(unlink_i8_sub);
|
|
|
63
|
|
|
64 void
|
|
|
65 unlink_i8_sub (char *name, GFC_INTEGER_8 *status, gfc_charlen_type name_len)
|
|
|
66 {
|
|
|
67 GFC_INTEGER_4 status4;
|
|
|
68 unlink_i4_sub (name, &status4, name_len);
|
|
|
69 if (status)
|
|
|
70 *status = status4;
|
|
|
71 }
|
|
|
72
|
|
|
73
|
|
|
74 /* INTEGER FUNCTION UNLINK(NAME)
|
|
|
75 CHARACTER(LEN= ), INTENT(IN) :: NAME */
|
|
|
76
|
|
|
77 extern GFC_INTEGER_4 PREFIX(unlink) (char *, gfc_charlen_type);
|
|
|
78 export_proto_np(PREFIX(unlink));
|
|
|
79
|
|
|
80 GFC_INTEGER_4
|
|
|
81 PREFIX(unlink) (char *name, gfc_charlen_type name_len)
|
|
|
82 {
|
|
|
83 GFC_INTEGER_4 status;
|
|
|
84 unlink_i4_sub (name, &status, name_len);
|
|
|
85 return status;
|
|
|
86 }
|
