106c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 206c3fb27SDimitry Andric // 306c3fb27SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 406c3fb27SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 506c3fb27SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 606c3fb27SDimitry Andric // 706c3fb27SDimitry Andric //===----------------------------------------------------------------------===// 806c3fb27SDimitry Andric 906c3fb27SDimitry Andric #include <__config> 10*5f757f3fSDimitry Andric 11*5f757f3fSDimitry Andric #if defined(_LIBCPP_WIN32API) 12*5f757f3fSDimitry Andric 1306c3fb27SDimitry Andric # include <cstdlib> 1406c3fb27SDimitry Andric # include <print> 1506c3fb27SDimitry Andric 1606c3fb27SDimitry Andric # define WIN32_LEAN_AND_MEAN 1706c3fb27SDimitry Andric # define NOMINMAX 1806c3fb27SDimitry Andric # include <io.h> 1906c3fb27SDimitry Andric # include <windows.h> 2006c3fb27SDimitry Andric 2106c3fb27SDimitry Andric # include <__system_error/system_error.h> 2206c3fb27SDimitry Andric 2306c3fb27SDimitry Andric # include "filesystem/error.h" 2406c3fb27SDimitry Andric 2506c3fb27SDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 2606c3fb27SDimitry Andric 2706c3fb27SDimitry Andric _LIBCPP_EXPORTED_FROM_ABI bool __is_windows_terminal(FILE* __stream) { 2806c3fb27SDimitry Andric // Note the Standard does this in one call, but it's unclear whether 2906c3fb27SDimitry Andric // an invalid handle is allowed when calling GetConsoleMode. 3006c3fb27SDimitry Andric // 3106c3fb27SDimitry Andric // https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/get-osfhandle?view=msvc-170 3206c3fb27SDimitry Andric // https://learn.microsoft.com/en-us/windows/console/getconsolemode 3306c3fb27SDimitry Andric intptr_t __handle = _get_osfhandle(fileno(__stream)); 3406c3fb27SDimitry Andric if (__handle == -1) 3506c3fb27SDimitry Andric return false; 3606c3fb27SDimitry Andric 3706c3fb27SDimitry Andric unsigned long __mode; 3806c3fb27SDimitry Andric return GetConsoleMode(reinterpret_cast<void*>(__handle), &__mode); 3906c3fb27SDimitry Andric } 4006c3fb27SDimitry Andric 4106c3fb27SDimitry Andric # ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 4206c3fb27SDimitry Andric _LIBCPP_EXPORTED_FROM_ABI void 4306c3fb27SDimitry Andric __write_to_windows_console([[maybe_unused]] FILE* __stream, [[maybe_unused]] wstring_view __view) { 4406c3fb27SDimitry Andric // https://learn.microsoft.com/en-us/windows/console/writeconsole 4506c3fb27SDimitry Andric if (WriteConsoleW(reinterpret_cast<void*>(_get_osfhandle(fileno(__stream))), // clang-format aid 4606c3fb27SDimitry Andric __view.data(), 4706c3fb27SDimitry Andric __view.size(), 4806c3fb27SDimitry Andric nullptr, 4906c3fb27SDimitry Andric nullptr) == 0) { 50*5f757f3fSDimitry Andric __throw_system_error(filesystem::detail::make_windows_error(GetLastError()), "failed to write formatted output"); 5106c3fb27SDimitry Andric } 5206c3fb27SDimitry Andric } 5306c3fb27SDimitry Andric # endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS 5406c3fb27SDimitry Andric 5506c3fb27SDimitry Andric _LIBCPP_END_NAMESPACE_STD 56*5f757f3fSDimitry Andric 57*5f757f3fSDimitry Andric #endif // !_LIBCPP_WIN32API 58