Line data Source code
1 : /* Test closing a file or socket.
2 : Copyright (C) 2011-2020 Free Software Foundation, Inc.
3 :
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.
8 :
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.
13 :
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/>. */
16 :
17 : #include <config.h>
18 :
19 : #include <unistd.h>
20 :
21 : #include "signature.h"
22 : SIGNATURE_CHECK (close, int, (int));
23 :
24 : #include <errno.h>
25 :
26 : #include "macros.h"
27 :
28 : int
29 1 : main (void)
30 : {
31 : /* Test behaviour for invalid file descriptors. */
32 : {
33 1 : errno = 0;
34 1 : ASSERT (close (-1) == -1);
35 1 : ASSERT (errno == EBADF);
36 : }
37 : {
38 1 : close (99);
39 1 : errno = 0;
40 1 : ASSERT (close (99) == -1);
41 1 : ASSERT (errno == EBADF);
42 : }
43 :
44 1 : return 0;
45 : }
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