1 //===-- Implementation of feupdateenv function ----------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "src/fenv/feupdateenv.h"
10 #include "src/__support/FPUtil/FEnvUtils.h"
11 #include "src/__support/common.h"
12 
13 #include <fenv.h>
14 
15 namespace __llvm_libc {
16 
17 LLVM_LIBC_FUNCTION(int, feupdateenv, (const fenv_t *envp)) {
18   int current_excepts = fputil::testExcept(FE_ALL_EXCEPT);
19   if (fputil::setEnv(envp) != 0)
20     return -1;
21   return fputil::raiseExcept(current_excepts);
22 }
23 
24 } // namespace __llvm_libc
25