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- // Copyright (c) 2010 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef BASE_WIN_SCOPED_HGLOBAL_H_
- #define BASE_WIN_SCOPED_HGLOBAL_H_
- #include <windows.h>
- #include <stddef.h>
- namespace base {
- namespace win {
- // Like ScopedHandle except for HGLOBAL.
- template <class T>
- class ScopedHGlobal {
- public:
- explicit ScopedHGlobal(HGLOBAL glob) : glob_(glob) {
- data_ = static_cast<T>(GlobalLock(glob_));
- }
- ScopedHGlobal(const ScopedHGlobal&) = delete;
- ScopedHGlobal& operator=(const ScopedHGlobal&) = delete;
- ~ScopedHGlobal() { GlobalUnlock(glob_); }
- T get() { return data_; }
- size_t Size() const { return GlobalSize(glob_); }
- T operator->() const {
- assert(data_ != 0);
- return data_;
- }
- T release() {
- T data = data_;
- data_ = NULL;
- return data;
- }
- private:
- HGLOBAL glob_;
- T data_;
- };
- } // namespace win
- } // namespace base
- #endif // BASE_WIN_SCOPED_HGLOBAL_H_
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