unique-malloc-owner.hpp

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/*
  UNIQUE-MALLOC-OWNER.hpp  -  automatic management of C-malloced memory

   Copyright (C)
     2014,            Hermann Vosseler <Ichthyostega@web.de>

  **Lumiera** is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation; either version 2 of the License, or (at your
  option) any later version. See the file COPYING for further details.

*/


#ifndef LIB_UNIQUE_MALLOC_OWNER_H
#define LIB_UNIQUE_MALLOC_OWNER_H


#include "lib/error.hpp"

#include <memory>


namespace lib {
  
  
  template<class X =void>
  class UniqueMallocOwner
    : public std::unique_ptr<X, void(*)(void*)>
    {
      using _Parent = std::unique_ptr<X, void(*)(void*)>;
      
    public:
      explicit
      UniqueMallocOwner(void* memory =nullptr)
        : _Parent(static_cast<X*>(memory), std::free)
        { }
      
      explicit
      UniqueMallocOwner(X* alloc)
        : _Parent(alloc, std::free)
        { }
      
      
      bool
      empty()  const
        {
          return ! bool(*this);
        }
    };
  
  
  
  
  
} // namespace lib  
#endif /*LIB_UNIQUE_MALLOC_OWNER_H*/