1 files changed, 53 insertions, 0 deletions
diff --git a/base/win/scoped_hglobal.h b/base/win/scoped_hglobal.h
new file mode 100644
index 0000000..23b36e4
--- /dev/null
+++ b/base/win/scoped_hglobal.h
@@ -0,0 +1,53 @@
+// 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_
+#pragma once
+
+#include <windows.h>
+
+#include "base/basictypes.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() {
+    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_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedHGlobal);
+};
+
+}  // namespace win
+}  // namespace base
+
+#endif  // BASE_WIN_SCOPED_HGLOBAL_H_