1 | /* Test fegetenv preserves exception mask (bug 16198). |
2 | Copyright (C) 2014-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <fenv.h> |
20 | #include <stdio.h> |
21 | |
22 | static int |
23 | do_test (void) |
24 | { |
25 | #if FE_ALL_EXCEPT |
26 | fenv_t env; |
27 | |
28 | if (feenableexcept (FE_INVALID) != 0) |
29 | { |
30 | puts (s: "feenableexcept (FE_INVALID) failed, cannot test" ); |
31 | return 0; |
32 | } |
33 | |
34 | if (fegetenv (envp: &env) != 0) |
35 | { |
36 | puts (s: "fegetenv failed, cannot test" ); |
37 | return 0; |
38 | } |
39 | |
40 | int ret = fegetexcept (); |
41 | if (ret == FE_INVALID) |
42 | { |
43 | puts (s: "fegetenv preserved exception mask, OK" ); |
44 | return 0; |
45 | } |
46 | else |
47 | { |
48 | printf (format: "fegetexcept returned %d, expected %d\n" , ret, FE_INVALID); |
49 | return 1; |
50 | } |
51 | #else |
52 | puts ("No exceptions defined, cannot test" ); |
53 | return 0; |
54 | #endif |
55 | } |
56 | |
57 | #define TEST_FUNCTION do_test () |
58 | #include "../test-skeleton.c" |
59 | |