simple_memory.hh

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/* -*- C++ -*-
 * $Id: simple_memory.hh 953 2005-02-17 21:08:23Z fpy $
 */
#ifndef UTILMM_SMART_SIMPLE_MEMORY_HEADER
# define UTILMM_SMART_SIMPLE_MEMORY_HEADER

# include <utility>

namespace utilmm {
  namespace smart {
    namespace ref_count {

      template<typename Ty>
      struct simple_memory {
        typedef Ty base_type;
        typedef std::pair<base_type, size_t> cell_type;
        typedef cell_type *mem_cell;

        mem_cell null_cell() {
          return mem_cell(0);
        }
        
        mem_cell create(base_type *ptr) {
          return new cell_type(ptr, 0);
        }

        void destroy(mem_cell c) {
          delete c->first;
          delete c;
        }

      }; // class utilmm::smart::ref_count::simple_memory<>

    } // namespace utilmm::smart::ref_count
  } // namespace utilmm::smart
} // namespace utilmm

#endif // UTILMM_SMART_SIMPLE_MEMORY_HEADER