libc/src/errno/llvmlibc_errno.h

   1 //===-- Implementation header for errno -------------------------*- C++ -*-===//
   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 #ifndef LLVM_LIBC_SRC_ERRNO_LLVMLIBC_ERRNO_H
  10 #define LLVM_LIBC_SRC_ERRNO_LLVMLIBC_ERRNO_H
  11
  12 // Internal code should use this and not use the errno macro from the
  13 // public header.
  14 #define llvmlibc_errno (*__llvm_libc::__errno_location())
  15
  16 namespace __llvm_libc {
  17
  18 int *__errno_location();
  19
  20 } // namespace __llvm_libc
  21
  22 #endif // LLVM_LIBC_SRC_ERRNO_LLVMLIBC_ERRNO_H