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// Copyright Peter Dimov and David Abrahams 2002.

// Distributed under 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 GET_POINTER_DWA20021219_HPP

#define GET_POINTER_DWA20021219_HPP


#include <boost/config.hpp>


// In order to avoid circular dependencies with Boost.TR1

// we make sure that our include of <memory> doesn't try to

// pull in the TR1 headers: that's why we use this header 

// rather than including <memory> directly:

#include <boost/config/no_tr1/memory.hpp>  // std::auto_ptr


namespace boost { 

// get_pointer(p) extracts a ->* capable pointer from p


template<class T> T * get_pointer(T * p)
{
    return p;
}

// get_pointer(shared_ptr<T> const & p) has been moved to shared_ptr.hpp


#if !defined( BOOST_NO_AUTO_PTR )


#if defined( __GNUC__ ) && (defined( __GXX_EXPERIMENTAL_CXX0X__ ) || (__cplusplus >= 201103L))

#if defined( BOOST_GCC )

#if BOOST_GCC >= 40600

#define BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS

#endif // BOOST_GCC >= 40600

#elif defined( __clang__ ) && defined( __has_warning )

#if __has_warning("-Wdeprecated-declarations")

#define BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS

#endif // __has_warning("-Wdeprecated-declarations")

#endif

#endif // defined( __GNUC__ ) && (defined( __GXX_EXPERIMENTAL_CXX0X__ ) || (__cplusplus >= 201103L))


#if defined( BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS )

// Disable libstdc++ warnings about std::auto_ptr being deprecated in C++11 mode

#pragma GCC diagnostic push

#pragma GCC diagnostic ignored "-Wdeprecated-declarations"

#define BOOST_CORE_DETAIL_DISABLED_DEPRECATED_WARNINGS

#endif


template<class T> T * get_pointer(std::auto_ptr<T> const& p)
{
    return p.get();
}

#if defined( BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS )

#pragma GCC diagnostic pop

#undef BOOST_CORE_DETAIL_DISABLE_LIBSTDCXX_DEPRECATED_WARNINGS

#endif


#endif // !defined( BOOST_NO_AUTO_PTR )


#if !defined( BOOST_NO_CXX11_SMART_PTR )


template<class T> T * get_pointer( std::unique_ptr<T> const& p )
{
    return p.get();
}

template<class T> T * get_pointer( std::shared_ptr<T> const& p )
{
    return p.get();
}

#endif


} // namespace boost


#endif // GET_POINTER_DWA20021219_HPP