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// Boost.Geometry Index
//
// R-tree auto deallocator
//
// Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
//
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_AUTO_DEALLOCATOR_HPP
#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_AUTO_DEALLOCATOR_HPP
namespace boost { namespace geometry { namespace index {
namespace detail { namespace rtree {
template <typename Alloc>
class auto_deallocator
{
auto_deallocator(auto_deallocator const&);
auto_deallocator & operator=(auto_deallocator const&);
public:
typedef typename Alloc::pointer pointer;
inline auto_deallocator(Alloc & a, pointer p) : m_alloc(a), m_ptr(p) {}
inline ~auto_deallocator() { if ( m_ptr ) boost::container::allocator_traits<Alloc>::deallocate(m_alloc, m_ptr, 1); }
inline void release() { m_ptr = 0; }
inline pointer ptr() { return m_ptr; }
private:
Alloc & m_alloc;
pointer m_ptr;
};
}} // namespace detail::rtree
}}} // namespace boost::geometry::index
#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_AUTO_DEALLOCATOR_HPP
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