openat: don’t close (-1)
[gnulib.git] / tests / test-fchown.c
blobd9e851e706ec9021f251a35b839288c4515ab028
1 /* Tests of fchown.
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/>. */
17 #include <config.h>
19 #include <unistd.h>
21 #include "signature.h"
22 SIGNATURE_CHECK (fchown, int, (int, uid_t, gid_t));
24 #include <errno.h>
26 #include "macros.h"
28 int
29 main (int argc, char *argv[])
31 /* Test behaviour for invalid file descriptors. */
33 errno = 0;
34 ASSERT (fchown (-1, getuid (), getgid ()) == -1);
35 ASSERT (errno == EBADF);
38 close (99);
39 errno = 0;
40 ASSERT (fchown (99, getuid (), getgid ()) == -1);
41 ASSERT (errno == EBADF);
44 return test_exit_status;