#ifndef BOOST_ARCHIVE_WCSLEN_HPP

 #define BOOST_ARCHIVE_WCSLEN_HPP

 // MS compatible compilers support #pragma once

 #if defined(_MSC_VER) && (_MSC_VER >= 1020)

 # pragma once

 #endif

 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8

 // wcslen.hpp:

 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 

 // Use, modification and distribution is subject to 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 for updates, documentation, and revision history.

 #include <cstddef> // size_t

 #include <boost/config.hpp>

 #if defined(BOOST_NO_STDC_NAMESPACE)

 namespace std{ 

     using ::size_t; 

 } // namespace std

 #endif

 #ifndef BOOST_NO_CWCHAR

 // a couple of libraries which include wchar_t don't include

 // wcslen

 #if defined(BOOST_DINKUMWARE_STDLIB) && BOOST_DINKUMWARE_STDLIB < 306 \

 || defined(__LIBCOMO__) 

 namespace std {

 inline std::size_t wcslen(const wchar_t * ws)

 {

     const wchar_t * eows = ws;

     while(* eows != 0)

         ++eows;

     return eows - ws;

 }

 } // namespace std

 #else

 #include <cwchar>

 #ifdef BOOST_NO_STDC_NAMESPACE

 namespace std{ using ::wcslen; }

 #endif

 #endif // wcslen

 #endif //BOOST_NO_CWCHAR

 #endif //BOOST_ARCHIVE_WCSLEN_HPP