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// Copyright (C) 2002 Brad King (brad.king@kitware.com)
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// Douglas Gregor (gregod@cs.rpi.edu)
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// Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// For more information, see http://www.boost.org
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#ifndef BOOST_UTILITY_ADDRESSOF_HPP
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# define BOOST_UTILITY_ADDRESSOF_HPP
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# include <boost/config.hpp>
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# include <boost/detail/workaround.hpp>
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namespace boost {
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// Do not make addressof() inline. Breaks MSVC 7. (Peter Dimov)
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// VC7 strips const from nested classes unless we add indirection here
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# if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
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template<class T> struct _addp
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{
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typedef T * type;
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};
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template <typename T> typename _addp<T>::type
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# else
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template <typename T> T*
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# endif
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addressof(T& v)
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{
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return reinterpret_cast<T*>(
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&const_cast<char&>(reinterpret_cast<const volatile char &>(v)));
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}
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// Borland doesn't like casting an array reference to a char reference
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// but these overloads work around the problem.
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# if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
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template<typename T,std::size_t N>
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T (*addressof(T (&t)[N]))[N]
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{
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return reinterpret_cast<T(*)[N]>(&t);
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}
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template<typename T,std::size_t N>
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const T (*addressof(const T (&t)[N]))[N]
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{
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return reinterpret_cast<const T(*)[N]>(&t);
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}
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# endif
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}
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#endif // BOOST_UTILITY_ADDRESSOF_HPP
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