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// Boost.Geometry Index
//
// R-tree scoped deallocator
//
// Copyright (c) 2011-2018 Adam Wulkiewicz, Lodz, Poland.
//
// This file was modified by Oracle on 2021.
// Modifications copyright (c) 2021 Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
//
// 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_SCOPED_DEALLOCATOR_HPP
#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SCOPED_DEALLOCATOR_HPP
#include <boost/container/allocator_traits.hpp>
namespace boost { namespace geometry { namespace index {
namespace detail { namespace rtree {
template <typename Alloc>
class scoped_deallocator
{
typedef boost::container::allocator_traits<Alloc> alloc_traits;
scoped_deallocator(scoped_deallocator const&);
scoped_deallocator & operator=(scoped_deallocator const&);
public:
typedef typename alloc_traits::pointer pointer;
inline scoped_deallocator(pointer p, Alloc & a)
: m_ptr(p), m_alloc(a)
{}
inline ~scoped_deallocator()
{
if ( m_ptr )
{
alloc_traits::deallocate(m_alloc, m_ptr, 1);
}
}
inline void release()
{
m_ptr = 0;
}
private:
pointer m_ptr;
Alloc & m_alloc;
};
}} // namespace detail::rtree
}}} // namespace boost::geometry::index
#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_SCOPED_DEALLOCATOR_HPP
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