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f2425ccd | 1 | /* Store current representation for exceptions. |
04277e02 | 2 | Copyright (C) 1998-2019 Free Software Foundation, Inc. |
f2425ccd | 3 | This file is part of the GNU C Library. |
17e74c26 | 4 | Contributed by Andreas Jaeger <aj@suse.de>, 1998. |
f2425ccd UD |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or | |
3214b89b AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
f2425ccd UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
3214b89b | 14 | Lesser General Public License for more details. |
f2425ccd | 15 | |
3214b89b | 16 | You should have received a copy of the GNU Lesser General Public |
ab84e3ff | 17 | License along with the GNU C Library. If not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
f2425ccd UD |
19 | |
20 | #include <fenv.h> | |
21 | #include <fpu_control.h> | |
22 | ||
23 | int | |
07526436 | 24 | fegetexceptflag (fexcept_t *flagp, int excepts) |
f2425ccd | 25 | { |
af7eda0f | 26 | fpu_control_t temp; |
f2425ccd UD |
27 | |
28 | /* Get the current exceptions. */ | |
29 | _FPU_GETCW (temp); | |
30 | ||
5556231d | 31 | /* We only save the relevant bits here. In particular, care has to be |
07526436 AJ |
32 | taken with the CAUSE bits, as an inadvertent restore later on could |
33 | generate unexpected exceptions. */ | |
f1cdba97 | 34 | |
f2425ccd UD |
35 | *flagp = temp & excepts & FE_ALL_EXCEPT; |
36 | ||
37 | /* Success. */ | |
38 | return 0; | |
39 | } |