================
@@ -0,0 +1,71 @@
+//===----------------------------------------------------------------------===//
+//
+// 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([[HandleT handle) {
+ if (LPBY_HANDLE_FILE_INFORMATION & pFileInformation;
!GetFileInformationByHandle(handle, &lpFileInformation))
+ return false;
+ return true;
+};
----------------
Zingam wrote:
```suggestion
bool is_handle_valid(void* handle) {
if (BY_HANDLE_FILE_INFORMATION fileInformation;
!GetFileInformationByHandle(handle, &fileInformation))
return false;
return true;
};
```
https://github.com/llvm/llvm-project/pull/76632
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