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- //////////////////////////////////////////////////////////////////////////////
- //
- // (C) Copyright Ion Gaztanaga 2005-2012.
- // (C) Copyright Gennaro Prota 2003 - 2004.
- //
- // 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)
- //
- // See http://www.boost.org/libs/interprocess for documentation.
- //
- //////////////////////////////////////////////////////////////////////////////
- #ifndef BOOST_INTERPROCESS_DETAIL_POINTER_TYPE_HPP
- #define BOOST_INTERPROCESS_DETAIL_POINTER_TYPE_HPP
- #ifndef BOOST_CONFIG_HPP
- # include <boost/config.hpp>
- #endif
- #
- #if defined(BOOST_HAS_PRAGMA_ONCE)
- # pragma once
- #endif
- #include <boost/interprocess/detail/config_begin.hpp>
- #include <boost/interprocess/detail/workaround.hpp>
- #include <boost/interprocess/detail/type_traits.hpp>
- namespace boost {
- namespace interprocess {
- namespace ipcdetail {
- struct two {char _[2];};
- namespace pointer_type_imp {
- template <class U> static two test(...);
- template <class U> static char test(typename U::pointer* = 0);
- } //namespace pointer_type_imp {
- template <class T>
- struct has_pointer_type
- {
- static const bool value = sizeof(pointer_type_imp::test<T>(0)) == 1;
- };
- namespace pointer_type_imp {
- template <class T, class D, bool = has_pointer_type<D>::value>
- struct pointer_type
- {
- typedef typename D::pointer type;
- };
- template <class T, class D>
- struct pointer_type<T, D, false>
- {
- typedef T* type;
- };
- } //namespace pointer_type_imp {
- template <class T, class D>
- struct pointer_type
- {
- typedef typename pointer_type_imp::pointer_type<T,
- typename remove_reference<D>::type>::type type;
- };
- } //namespace ipcdetail {
- } //namespace interprocess {
- } //namespace boost {
- #include <boost/interprocess/detail/config_end.hpp>
- #endif //#ifndef BOOST_INTERPROCESS_DETAIL_POINTER_TYPE_HPP
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