================ @@ -0,0 +1,81 @@ +//===----------------------------------------------------------------------===// +// +// 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 +// +//===----------------------------------------------------------------------===// + +#ifndef TEST_STD_INPUT_OUTPUT_FILE_STREAMS_FSTREAMS_TEST_HELPERS_H +#define TEST_STD_INPUT_OUTPUT_FILE_STREAMS_FSTREAMS_TEST_HELPERS_H + +#if _LIBCPP_STD_VER >= 26 + +# include <cassert> +# include <concepts> +# include <cstdio> +# include <fstream> +# include <filesystem> +# include <type_traits> +# include <utility> + +# if defined(_LIBCPP_WIN32API) +# define WIN32_LEAN_AND_MEAN +# define NOMINMAX +# include <io.h> +# include <windows.h> +# else +# include <fcntl.h> +# endif + +# include "platform_support.h" + +# if defined(_LIBCPP_WIN32API) +using HandleT = void*; // HANDLE + +bool is_handle_valid(void* handle) { + if (BY_HANDLE_FILE_INFORMATION fileInformation; !GetFileInformationByHandle(handle, &fileInformation)) + return false; + return true; +}; +# elif __has_include(<unistd.h>) // POSIX +using HandleT = int; // POSIX file descriptor + +bool is_handle_valid(HandleT fd) { return fcntl(fd, F_GETFL) != -1 || errno != EBADF; }; +# else +# error "Provide a native file handle!" +# endif + +template <typename CharT, typename StreamT> +void test_native_handle() { + static_assert( + std::is_same_v<typename std::basic_filebuf<CharT>::native_handle_type, typename StreamT::native_handle_type>); + + HandleT native_handle{}; ---------------- mordante wrote:
Please apply the comments to the filebuf test here too. https://github.com/llvm/llvm-project/pull/76632 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
