libc/src/fenv/fegetexceptflag.cpp

   1 //===-- Implementation of fegetexceptflag 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/fegetexceptflag.h"
  10 #include "src/__support/FPUtil/FEnvImpl.h"
  11 #include "src/__support/common.h"
  12
  13 #include <fenv.h>
  14
  15 namespace LIBC_NAMESPACE {
  16
  17 LLVM_LIBC_FUNCTION(int, fegetexceptflag, (fexcept_t * flagp, int excepts)) {
  18   // TODO: Add a compile time check to see if the excepts actually fit in flagp.
  19   *flagp = static_cast<fexcept_t>(fputil::test_except(FE_ALL_EXCEPT) & excepts);
  20   return 0;
  21 }
  22
  23 } // namespace LIBC_NAMESPACE