Chris@16: // Copyright Peter Dimov and David Abrahams 2002.
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef GET_POINTER_DWA20021219_HPP
Chris@16: #define GET_POINTER_DWA20021219_HPP
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: 
Chris@16: // In order to avoid circular dependencies with Boost.TR1
Chris@16: // we make sure that our include of <memory> doesn't try to
Chris@16: // pull in the TR1 headers: that's why we use this header 
Chris@16: // rather than including <memory> directly:
Chris@16: #include <boost/config/no_tr1/memory.hpp>  // std::auto_ptr
Chris@16: 
Chris@16: namespace boost { 
Chris@16: 
Chris@16: // get_pointer(p) extracts a ->* capable pointer from p
Chris@16: 
Chris@16: template<class T> T * get_pointer(T * p)
Chris@16: {
Chris@16:     return p;
Chris@16: }
Chris@16: 
Chris@16: // get_pointer(shared_ptr<T> const & p) has been moved to shared_ptr.hpp
Chris@16: 
Chris@16: template<class T> T * get_pointer(std::auto_ptr<T> const& p)
Chris@16: {
Chris@16:     return p.get();
Chris@16: }
Chris@16: 
Chris@16: #if !defined( BOOST_NO_CXX11_SMART_PTR )
Chris@16: 
Chris@16: template<class T> T * get_pointer( std::unique_ptr<T> const& p )
Chris@16: {
Chris@16:     return p.get();
Chris@16: }
Chris@16: 
Chris@16: template<class T> T * get_pointer( std::shared_ptr<T> const& p )
Chris@16: {
Chris@16:     return p.get();
Chris@16: }
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // GET_POINTER_DWA20021219_HPP