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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_SCOPED_NATIVE_LIBRARY_H_
#define BASE_SCOPED_NATIVE_LIBRARY_H_
#include "base/file_path.h"
#include "base/native_library.h"
namespace base {
// A class which encapsulates a base::NativeLibrary object available only in a
// scope.
// This class automatically unloads the loaded library in its destructor.
class ScopedNativeLibrary {
public:
explicit ScopedNativeLibrary(const FilePath& library_path) {
library_ = base::LoadNativeLibrary(library_path);
}
~ScopedNativeLibrary() {
if (library_)
base::UnloadNativeLibrary(library_);
}
void* GetFunctionPointer(const char* function_name) {
if (!library_)
return NULL;
return base::GetFunctionPointerFromNativeLibrary(library_, function_name);
}
private:
base::NativeLibrary library_;
DISALLOW_COPY_AND_ASSIGN(ScopedNativeLibrary);
};
} // namespace base
#endif // BASE_SCOPED_NATIVE_LIBRARY_H_
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