1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/libstdc++/include/ext/enc_filebuf.h b/contrib/libstdc++/include/ext/enc_filebuf.h
new file mode 100644
index 0000000..e1152bd
--- /dev/null
+++ b/contrib/libstdc++/include/ext/enc_filebuf.h
@@ -0,0 +1,61 @@
+// __enc_traits layer for filebuf -*- C++ -*-
+
+// Copyright (C) 2002 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#include <fstream>
+#include <locale>
+
+namespace __gnu_cxx
+{
+  // Custom traits type with __enc_traits for state type, all other bits
+  // equivalent to the required char_traits instantiations.
+  template<typename _CharT>
+    struct enc_char_traits: public std::char_traits<_CharT>
+    {
+      typedef std::__enc_traits	state_type;
+    };
+
+  template<typename _CharT>
+    class enc_filebuf
+    : public std::basic_filebuf<_CharT, enc_char_traits<_CharT> >
+    {
+    public:
+      typedef typename enc_char_traits<_CharT>::state_type state_type;
+      
+      enc_filebuf(state_type& __state)
+      : std::basic_filebuf<_CharT, enc_char_traits<_CharT> >()
+      { 
+	// Set state type to something useful.
+	// Something more than copyconstructible is needed here, so
+	// require copyconstructible + assignment operator.
+	__glibcpp_class_requires(state_type, _SGIAssignableConcept);
+	_M_state_cur = __state;
+	_M_state_cur._M_init();
+      };
+    };
+} // namespace __gnu_cxx