Wrap all STL includes to support drv:: and eng::

luprex/core/wrap/wrap-sstream.hpp

@@ -0,0 +1,19 @@
+#ifndef WRAP_SSTREAM_HPP
+#define WRAP_SSTREAM_HPP
+
+#include "two-mallocs.hpp"
+#include <sstream>
+
+namespace eng {
+template<class C, class T=std::char_traits<C>>
+using basic_ostringstream = std::basic_ostringstream<C, T, EngAllocator<C>>;
+using ostringstream = std::basic_ostringstream<char>;
+} // namespace eng
+
+namespace drv {
+template<class C, class T=std::char_traits<C>>
+using basic_ostringstream = std::basic_ostringstream<C, T, std::allocator<C>>;
+using ostringstream = std::basic_ostringstream<char>;
+} // namespace drv
+
+#endif // WRAP_SSTREAM_HPP