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file_win.h
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// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_BIN_FILE_WIN_H_
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#define RUNTIME_BIN_FILE_WIN_H_
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#include <memory>
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#include "
bin/file.h
"
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// The limit for a regular directory is 248.
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// Reference: https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file#maximum-path-length-limitation
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#define MAX_DIRECTORY_PATH (MAX_PATH - 12)
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namespace
dart
{
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namespace
bin {
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// Converts the given UTF8 path to wide char. If resulting path does not
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// fit into MAX_DIRECTORY_PATH (or if |force_long_prefix| is true) then
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// converts the path to the absolute `\\?\`-prefixed form.
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//
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// Note:
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// 1. Some WinAPI functions (like SetCurrentDirectoryW) are always limited
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// to MAX_PATH long paths and converting to `\\?\`-prefixed form does not
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// remove this limitation. Always check Win API documentation.
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// 2. This function might change relative path to an absolute path.
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std::unique_ptr<wchar_t[]>
ToWinAPIDirectoryPath
(
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const
char
* path,
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bool
force_long_prefix =
false
);
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}
// namespace bin
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}
// namespace dart
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#endif
// RUNTIME_BIN_FILE_WIN_H_
dart::bin::ToWinAPIDirectoryPath
std::unique_ptr< wchar_t[]> ToWinAPIDirectoryPath(const char *path, bool force_long_prefix=false)
dart
Definition
dart_vm.cc:33
file.h
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