1 // (C) Copyright Jonathan Turkanis 2003.
2 // Distributed under the Boost Software License, Version 1.0. (See accompanying
3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
5 // See http://www.boost.org/libs/iostreams for documentation.
7 // Contains constants used by library.
9 #ifndef BOOST_IOSTREAMS_CONSTANTS_HPP_INCLUDED
10 #define BOOST_IOSTREAMS_CONSTANTS_HPP_INCLUDED
12 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
16 #ifndef BOOST_IOSTREAMS_DEFAULT_DEVICE_BUFFER_SIZE
17 # define BOOST_IOSTREAMS_DEFAULT_DEVICE_BUFFER_SIZE 4096
20 #ifndef BOOST_IOSTREAMS_DEFAULT_FILTER_BUFFER_SIZE
21 # define BOOST_IOSTREAMS_DEFAULT_FILTER_BUFFER_SIZE 128
24 #ifndef BOOST_IOSTREAMS_DEFAULT_PBACK_BUFFER_SIZE
25 # define BOOST_IOSTREAMS_DEFAULT_PBACK_BUFFER_SIZE 4
28 #include <boost/iostreams/detail/ios.hpp> // streamsize.
30 namespace boost { namespace iostreams {
32 const std::streamsize default_device_buffer_size =
33 BOOST_IOSTREAMS_DEFAULT_DEVICE_BUFFER_SIZE;
34 const std::streamsize default_filter_buffer_size =
35 BOOST_IOSTREAMS_DEFAULT_FILTER_BUFFER_SIZE;
36 const std::streamsize default_pback_buffer_size =
37 BOOST_IOSTREAMS_DEFAULT_PBACK_BUFFER_SIZE;
39 } } // End namespaces iostreams, boost.
41 #endif // #ifndef BOOST_IOSTREAMS_CONSTANTS_HPP_INCLUDED