1 /* Test changing the protections of a file.
2 Copyright (C) 2011-2024 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
21 #include "signature.h"
22 SIGNATURE_CHECK (fchmod
, int, (int, mode_t
));
30 #define BASE "test-fchmod."
35 /* Test behaviour for invalid file descriptors. */
38 ASSERT (fchmod (-1, 0600) == -1);
39 ASSERT (errno
== EBADF
);
44 ASSERT (fchmod (99, 0600) == -1);
45 ASSERT (errno
== EBADF
);
48 /* Test that fchmod works on regular files. */
54 ASSERT (close (creat (BASE
"file", 0600)) == 0);
55 fd
= open (BASE
"file", O_RDWR
);
57 ASSERT (fchmod (fd
, 0400) == 0);
58 ASSERT (stat (BASE
"file", &statbuf
) >= 0);
59 ASSERT ((statbuf
.st_mode
& 0700) == 0400);
60 ASSERT (close (fd
) == 0);
63 ASSERT (chmod (BASE
"file", 0600) == 0);
64 ASSERT (unlink (BASE
"file") == 0);
67 return test_exit_status
;