Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

boost/iostreams/detail/push_params.hpp

// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
// (C) Copyright 2003-2007 Jonathan Turkanis
// 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/iostreams for documentation.

#ifndef BOOST_IOSTREAMS_DETAIL_PUSH_PARAMS_HPP_INCLUDED
#define BOOST_IOSTREAMS_DETAIL_PUSH_PARAMS_HPP_INCLUDED 

#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif                    

#define BOOST_IOSTREAMS_PUSH_PARAMS() \
    , std::streamsize buffer_size = -1 , std::streamsize pback_size = -1 \
    /**/

#define BOOST_IOSTREAMS_PUSH_ARGS() , buffer_size, pback_size     

#endif // #ifndef BOOST_IOSTREAMS_DETAIL_PUSH_PARAMS_HPP_INCLUDED