36 lines
904 B
C
36 lines
904 B
C
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// Copyright 2021 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_WIN_SCOPED_LOCALALLOC_H_
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#define BASE_WIN_SCOPED_LOCALALLOC_H_
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#include <memory>
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#include <utility>
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#include "base/win/windows_types.h"
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namespace base {
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namespace win {
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// unique_ptr deleter for LocalAlloc memory.
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struct LocalAllocDeleter {
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void operator()(void* ptr) const { ::LocalFree(ptr); }
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};
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template <typename T>
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using ScopedLocalAllocTyped = std::unique_ptr<T, LocalAllocDeleter>;
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using ScopedLocalAlloc = ScopedLocalAllocTyped<void>;
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// Make a typed ScopedLocalAlloc class and clear the original pointer.
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template <typename T>
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ScopedLocalAllocTyped<T> TakeLocalAlloc(T*& ptr) {
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return ScopedLocalAllocTyped<T>(std::exchange(ptr, nullptr));
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}
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} // namespace win
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} // namespace base
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#endif // BASE_WIN_SCOPED_LOCALALLOC_H_
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