| //===------------- Windows implementation of IO utils -----------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "io.h" |
| #include "src/__support/macros/config.h" |
| |
| // On Windows we cannot make direct syscalls since Microsoft changes system call |
| // IDs periodically. We must rely on functions exported from ntdll.dll or |
| // kernel32.dll to invoke system service procedures. |
| #define WIN32_LEAN_AND_MEAN |
| #include <Windows.h> |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| void write_to_stderr(cpp::string_view msg) { |
| ::HANDLE stream = ::GetStdHandle(STD_ERROR_HANDLE); |
| ::WriteFile(stream, msg.data(), msg.size(), nullptr, nullptr); |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |
