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       1             : // Copyright Peter Dimov and David Abrahams 2002.
       2             : // Distributed under the Boost Software License, Version 1.0. (See
       3             : // accompanying file LICENSE_1_0.txt or copy at
       4             : // http://www.boost.org/LICENSE_1_0.txt)
       5             : #ifndef GET_POINTER_DWA20021219_HPP
       6             : #define GET_POINTER_DWA20021219_HPP
       7             : 
       8             : #include <boost/config.hpp>
       9             : 
      10             : // In order to avoid circular dependencies with Boost.TR1
      11             : // we make sure that our include of <memory> doesn't try to
      12             : // pull in the TR1 headers: that's why we use this header 
      13             : // rather than including <memory> directly:
      14             : #include <boost/config/no_tr1/memory.hpp>  // std::auto_ptr
      15             : 
      16             : namespace boost { 
      17             : 
      18             : // get_pointer(p) extracts a ->* capable pointer from p
      19             : 
      20         438 : template<class T> T * get_pointer(T * p)
      21             : {
      22         438 :     return p;
      23             : }
      24             : 
      25             : // get_pointer(shared_ptr<T> const & p) has been moved to shared_ptr.hpp
      26             : 
      27             : #if !defined( BOOST_NO_AUTO_PTR )
      28             : 
      29             : #if defined( __GNUC__ ) && (defined( __GXX_EXPERIMENTAL_CXX0X__ ) || (__cplusplus >= 201103L))
      30             : #if defined( BOOST_GCC )
      31             : #if BOOST_GCC >= 40600
      32             : #define BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS
      33             : #endif // BOOST_GCC >= 40600
      34             : #elif defined( __clang__ ) && defined( __has_warning )
      35             : #if __has_warning("-Wdeprecated-declarations")
      36             : #define BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS
      37             : #endif // __has_warning("-Wdeprecated-declarations")
      38             : #endif
      39             : #endif // defined( __GNUC__ ) && (defined( __GXX_EXPERIMENTAL_CXX0X__ ) || (__cplusplus >= 201103L))
      40             : 
      41             : #if defined( BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS )
      42             : // Disable libstdc++ warnings about std::auto_ptr being deprecated in C++11 mode
      43             : #pragma GCC diagnostic push
      44             : #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
      45             : #define BOOST_CORE_DETAIL_DISABLED_DEPRECATED_WARNINGS
      46             : #endif
      47             : 
      48             : template<class T> T * get_pointer(std::auto_ptr<T> const& p)
      49             : {
      50             :     return p.get();
      51             : }
      52             : 
      53             : #if defined( BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS )
      54             : #pragma GCC diagnostic pop
      55             : #undef BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS
      56             : #endif
      57             : 
      58             : #endif // !defined( BOOST_NO_AUTO_PTR )
      59             : 
      60             : #if !defined( BOOST_NO_CXX11_SMART_PTR )
      61             : 
      62             : template<class T> T * get_pointer( std::unique_ptr<T> const& p )
      63             : {
      64             :     return p.get();
      65             : }
      66             : 
      67             : template<class T> T * get_pointer( std::shared_ptr<T> const& p )
      68             : {
      69             :     return p.get();
      70             : }
      71             : 
      72             : #endif
      73             : 
      74             : } // namespace boost
      75             : 
      76             : #endif // GET_POINTER_DWA20021219_HPP