1 /* Test of retrieving the umask of the process.
2    Copyright (C) 2020-2021 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 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 /* Written by Bruno Haible.  */
18 
19 #include <config.h>
20 
21 #include <sys/stat.h>
22 
23 #include "signature.h"
24 SIGNATURE_CHECK (getumask, mode_t, (void));
25 
26 #include "macros.h"
27 
28 int
main(void)29 main (void)
30 {
31   int mask;
32 
33   mask = getumask ();
34   ASSERT (mask >= 0);
35 
36 #if !ASSUME_UMASK_CONSTANT
37   /* These tests fail if the umask is required to not change.  */
38 
39   umask (002);
40 
41   mask = getumask ();
42   ASSERT (mask == 002);
43 
44   umask (077);
45 
46   mask = getumask ();
47   ASSERT (mask == 077);
48 
49 #endif
50 
51   return 0;
52 }
53