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54 lines
987 B
C++
54 lines
987 B
C++
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
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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_HGLOBAL_H_
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#define BASE_WIN_SCOPED_HGLOBAL_H_
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#include <windows.h>
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#include <stddef.h>
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#include "base/macros.h"
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namespace base {
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namespace win {
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// Like ScopedHandle except for HGLOBAL.
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template<class T>
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class ScopedHGlobal {
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public:
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explicit ScopedHGlobal(HGLOBAL glob) : glob_(glob) {
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data_ = static_cast<T>(GlobalLock(glob_));
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}
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~ScopedHGlobal() {
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GlobalUnlock(glob_);
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}
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T get() { return data_; }
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size_t Size() const { return GlobalSize(glob_); }
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T operator->() const {
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assert(data_ != 0);
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return data_;
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}
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T release() {
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T data = data_;
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data_ = NULL;
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return data;
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}
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private:
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HGLOBAL glob_;
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T data_;
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DISALLOW_COPY_AND_ASSIGN(ScopedHGlobal);
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};
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} // namespace win
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} // namespace base
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#endif // BASE_WIN_SCOPED_HGLOBAL_H_
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