Chris@16: // (C) Copyright 2005 Matthias Troyer 
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: #ifndef BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
Chris@16: #define BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
Chris@16: #define STD _STLP_STD
Chris@16: #else
Chris@16: #define STD std
Chris@16: #endif
Chris@16: 
Chris@16: #include <vector>
Chris@16: #include <valarray>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace serialization { 
Chris@16: namespace detail {
Chris@16: 
Chris@16: template <class T, class Allocator>
Chris@16: T* get_data(STD::vector<T,Allocator>& v)
Chris@16: {
Chris@16:   return v.empty() ? 0 : &(v[0]);
Chris@16: }
Chris@16: 
Chris@16: template <class T, class Allocator>
Chris@16: T* get_data(STD::vector<T,Allocator> const & v)
Chris@16: {
Chris@16:   return get_data(const_cast<STD::vector<T,Allocator>&>(v));
Chris@16: }
Chris@16: 
Chris@16: template <class T>
Chris@16: T* get_data(STD::valarray<T>& v)
Chris@16: {
Chris@16:   return v.size()==0 ? 0 : &(v[0]);
Chris@16: }
Chris@16: 
Chris@16: template <class T>
Chris@16: const T* get_data(STD::valarray<T> const& v)
Chris@16: {
Chris@16:   return get_data(const_cast<STD::valarray<T>&>(v));
Chris@16: }
Chris@16: 
Chris@16: } // detail
Chris@16: } // serialization
Chris@16: } // boost
Chris@16: 
Chris@16: #if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
Chris@16: #undef STD
Chris@16: #endif
Chris@16: 
Chris@16: #endif // BOOST_SERIALIZATION_DETAIL_GET_DATA_HPP