Added boost header

test/external/boost/iostreams/device/back_inserter.hpp

@@ -0,0 +1,41 @@
+// (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_BACK_INSERTER_HPP_INCLUDED
+#define BOOST_IOSTREAMS_BACK_INSERTER_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <boost/iostreams/detail/ios.hpp> // streamsize.
+#include <boost/iostreams/categories.hpp>
+
+namespace boost { namespace iostreams {
+
+template<typename Container>
+class back_insert_device {
+public:
+    typedef typename Container::value_type  char_type;
+    typedef sink_tag                        category;
+    back_insert_device(Container& cnt) : container(&cnt) { }
+    std::streamsize write(const char_type* s, std::streamsize n)
+    { 
+        container->insert(container->end(), s, s + n); 
+        return n;
+    }
+protected:
+    Container* container;
+};
+
+template<typename Container>
+back_insert_device<Container> back_inserter(Container& cnt)
+{ return back_insert_device<Container>(cnt); }
+
+} } // End namespaces iostreams, boost.
+
+#endif // #ifndef BOOST_IOSTREAMS_BACK_INSERTER_HPP_INCLUDED