williamr@2: // Copyright (C) 2002 Brad King (brad.king@kitware.com) 
williamr@2: //                    Douglas Gregor (gregod@cs.rpi.edu)
williamr@2: //                    Peter Dimov
williamr@2: //
williamr@2: // Distributed under the Boost Software License, Version 1.0. (See
williamr@2: // accompanying file LICENSE_1_0.txt or copy at
williamr@2: // http://www.boost.org/LICENSE_1_0.txt)
williamr@2: 
williamr@2: // For more information, see http://www.boost.org
williamr@2: 
williamr@2: #ifndef BOOST_UTILITY_ADDRESSOF_HPP
williamr@2: # define BOOST_UTILITY_ADDRESSOF_HPP
williamr@2: 
williamr@2: # include <boost/config.hpp>
williamr@2: # include <boost/detail/workaround.hpp>
williamr@2: 
williamr@2: namespace boost {
williamr@2: 
williamr@2: // Do not make addressof() inline. Breaks MSVC 7. (Peter Dimov)
williamr@2: 
williamr@2: // VC7 strips const from nested classes unless we add indirection here
williamr@2: # if BOOST_WORKAROUND(BOOST_MSVC, == 1300)
williamr@2: 
williamr@2: template<class T> struct _addp
williamr@2: {
williamr@2:     typedef T * type;
williamr@2: };
williamr@2:     
williamr@2: template <typename T> typename _addp<T>::type
williamr@2: 
williamr@2: # else
williamr@2: template <typename T> T*
williamr@2: # endif
williamr@2: addressof(T& v)
williamr@2: {
williamr@2:   return reinterpret_cast<T*>(
williamr@2:        &const_cast<char&>(reinterpret_cast<const volatile char &>(v)));
williamr@2: }
williamr@2: 
williamr@2: // Borland doesn't like casting an array reference to a char reference
williamr@2: // but these overloads work around the problem.
williamr@2: # if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
williamr@2: template<typename T,std::size_t N>
williamr@2: T (*addressof(T (&t)[N]))[N]
williamr@2: {
williamr@2:    return reinterpret_cast<T(*)[N]>(&t);
williamr@2: }
williamr@2: 
williamr@2: template<typename T,std::size_t N>
williamr@2: const T (*addressof(const T (&t)[N]))[N]
williamr@2: {
williamr@2:    return reinterpret_cast<const T(*)[N]>(&t);
williamr@2: }
williamr@2: # endif
williamr@2: 
williamr@2: }
williamr@2: 
williamr@2: #endif // BOOST_UTILITY_ADDRESSOF_HPP