*** close.hpp.orig	Thu May 19 23:11:10 2005
--- close.hpp	Thu Aug  3 21:31:26 2006
***************
*** 104,121 ****
      static void close(T& t, BOOST_IOS::openmode which)
      {
          typedef typename category_of<T>::type category;
!         const bool in =  is_convertible<category, input>::value &&
!                         !is_convertible<category, output>::value;
!         if (in == ((which & BOOST_IOS::in) != 0))
              t.close();
      }
      template<typename T, typename Sink>
      static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
      {
          typedef typename category_of<T>::type category;
!         const bool in =  is_convertible<category, input>::value &&
!                         !is_convertible<category, output>::value;
!         if (in == ((which & BOOST_IOS::in) != 0)) {
              non_blocking_adapter<Sink> nb(snk);
              t.close(nb);
          }
--- 104,125 ----
      static void close(T& t, BOOST_IOS::openmode which)
      {
          typedef typename category_of<T>::type category;
!         const BOOST_IOS::openmode mask =
!             is_convertible<category, output>::value ?
!                 BOOST_IOS::out :
!                 BOOST_IOS::in;
!         if ((which & mask) != 0)
              t.close();
      }
      template<typename T, typename Sink>
      static void close(T& t, Sink& snk, BOOST_IOS::openmode which)
      {
          typedef typename category_of<T>::type category;
!         const BOOST_IOS::openmode mask =
!             is_convertible<category, output>::value ?
!                 BOOST_IOS::out :
!                 BOOST_IOS::in;
!         if ((which & mask) != 0) {
              non_blocking_adapter<Sink> nb(snk);
              t.close(nb);
          }