Files
sdk/runtime/bin/file_win.h
Alexander Aprelev f9c603e76b [io/win] Always use absolute, canonicalized paths.
This ensures that on Windows we take advantage of 32k-character file name limit consistently for all files and directories operations.

TEST=ci
BUG=https://github.com/dart-lang/sdk/issues/56125
BUG=https://github.com/dart-lang/sdk/issues/55972
CoreLibraryReviewExempt: adds windows-specific error code for invalid file name
Change-Id: I83bd3ceac579e589469e47b2cf5216db457cae8b
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/375421
Reviewed-by: Slava Egorov <vegorov@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2024-08-15 17:51:10 +00:00

30 lines
993 B
C++

// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef RUNTIME_BIN_FILE_WIN_H_
#define RUNTIME_BIN_FILE_WIN_H_
#include <memory>
#include "bin/file.h"
// The limit for a regular directory is 248.
// Reference: https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#maximum-path-length-limitation
#define MAX_DIRECTORY_PATH (MAX_PATH - 12)
namespace dart {
namespace bin {
// Converts the given UTF8 path to wide char '\\?\'-prefix absolute path.
//
// Note that some WinAPI functions (like SetCurrentDirectoryW) are always
// limited to MAX_PATH long paths and converting to `\\?\`-prefixed form does
// not remove this limitation. Always check Win API documentation.
std::unique_ptr<wchar_t[]> ToWinAPIPath(const char* path);
} // namespace bin
} // namespace dart
#endif // RUNTIME_BIN_FILE_WIN_H_