libcruft-util/memory.hpp

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Copyright 2011 Danny Robson <danny@nerdcruft.net>
 */

#ifndef __MEMORY_HPP
#define __MEMORY_HPP

template <typename T>
class scoped_malloc {
public:
    scoped_malloc (T *_data):
        m_data (_data)
    { ; }

    scoped_malloc (scoped_malloc &&rhs):
        m_data (rhs.m_data)
    {
        rhs.m_data = nullptr;
    }

    ~scoped_malloc () {
        free (m_data);
    }

          T* get (void)        { return m_data; }
    const T* get (void) const  { return m_data; }

    bool operator! (void) { return !m_data; }

protected:
    T* m_data;
};

#endif