1 /* Test of perror() function.
2 Copyright (C) 2008-2021 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, or (at your option)
7 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 <stdio.h>
20
21 #include "signature.h"
22 SIGNATURE_CHECK (perror, void, (char const *));
23
24 #include <errno.h>
25
26 int
27 main (int argc, char **argv)
/* ![[previous]](../icons/n_left.png)
![[next]](../icons/n_right.png)
![[first]](../icons/n_first.png)
![[last]](../icons/n_last.png)
![[top]](../icons/top.png)
![[bottom]](../icons/bottom.png)
![[index]](../icons/index.png)
*/
28 {
29 const char *prefix = (argc > 1 ? argv[1] : NULL);
30
31 errno = EACCES; perror (prefix);
32 errno = ETIMEDOUT; perror (prefix);
33 errno = EOVERFLOW; perror (prefix);
34
35 return 0;
36 }