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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/asio/is_write_buffered.hpp
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+//
+// is_write_buffered.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// 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)
+//
+
+#ifndef BOOST_ASIO_IS_WRITE_BUFFERED_HPP
+#define BOOST_ASIO_IS_WRITE_BUFFERED_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+#include <boost/config.hpp>
+#include <boost/asio/detail/pop_options.hpp>
+
+#include <boost/asio/buffered_stream_fwd.hpp>
+#include <boost/asio/buffered_write_stream_fwd.hpp>
+
+namespace boost {
+namespace asio {
+
+namespace detail {
+
+template <typename Stream>
+char is_write_buffered_helper(buffered_stream<Stream>* s);
+
+template <typename Stream>
+char is_write_buffered_helper(buffered_write_stream<Stream>* s);
+
+struct is_write_buffered_big_type { char data[10]; };
+is_write_buffered_big_type is_write_buffered_helper(...);
+
+} // namespace detail
+
+/// The is_write_buffered class is a traits class that may be used to determine
+/// whether a stream type supports buffering of written data.
+template <typename Stream>
+class is_write_buffered
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+ /// The value member is true only if the Stream type supports buffering of
+ /// written data.
+ static const bool value;
+#else
+ BOOST_STATIC_CONSTANT(bool,
+ value = sizeof(detail::is_write_buffered_helper((Stream*)0)) == 1);
+#endif
+};
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_IS_WRITE_BUFFERED_HPP