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'gcc-3_1-branch'.

From-SVN: r52962

diff --git a/libstdc++-v3/include/ext/enc_filebuf.h b/libstdc++-v3/include/ext/enc_filebuf.h
new file mode 100644 (file)
index 0000000..e1152bd
--- /dev/null
+++ b/libstdc++-v3/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

diff --git a/libstdc++-v3/include/ext/stdio_filebuf.h b/libstdc++-v3/include/ext/stdio_filebuf.h
new file mode 100644 (file)
index 0000000..1b0d5ae
--- /dev/null
+++ b/libstdc++-v3/include/ext/stdio_filebuf.h
@@ -0,0 +1,113 @@
+// File descriptor 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>
+
+namespace __gnu_cxx
+{
+  template<typename _CharT, typename _Traits = std::char_traits<_CharT> >
+    class stdio_filebuf : public std::basic_filebuf<_CharT, _Traits>
+    {
+    public:
+      // Types:
+      typedef _CharT                                   char_type;
+      typedef _Traits                                  traits_type;
+      typedef typename traits_type::int_type           int_type;
+      typedef typename traits_type::pos_type           pos_type;
+      typedef typename traits_type::off_type           off_type;
+      
+    protected:
+      // Stack-based buffer for unbuffered input.
+      char_type                        _M_unbuf[4];
+      
+    public:
+      stdio_filebuf(int __fd, std::ios_base::openmode __mode, bool __del, 
+                   int_type __size);
+
+      stdio_filebuf(std::__c_file* __f, std::ios_base::openmode __mode, 
+                   int_type __size = static_cast<int_type>(BUFSIZ));
+
+      virtual
+      ~stdio_filebuf();
+
+      int
+      fd()
+      { return _M_file.fd(); }
+    };
+
+  template<typename _CharT, typename _Traits>
+    stdio_filebuf<_CharT, _Traits>::~stdio_filebuf()
+    { }
+
+  template<typename _CharT, typename _Traits>
+    stdio_filebuf<_CharT, _Traits>::
+    stdio_filebuf(int __fd, std::ios_base::openmode __mode, bool __del, 
+                 int_type __size)
+    {
+      _M_file.sys_open(__fd, __mode, __del);
+      if (this->is_open())
+       {
+         _M_mode = __mode;
+         _M_buf_size_opt = __size;
+         
+         if (__size > 0 && __size < 4)
+           {
+             _M_buf = _M_unbuf;
+             _M_buf_size = __size;
+           }
+         else
+           _M_allocate_internal_buffer();
+         
+         _M_set_indeterminate();
+       }
+    }
+
+  template<typename _CharT, typename _Traits>
+    stdio_filebuf<_CharT, _Traits>::
+    stdio_filebuf(std::__c_file* __f, std::ios_base::openmode __mode, 
+                 int_type __size)
+    {
+      _M_file.sys_open(__f, __mode);
+      if (this->is_open())
+       {
+         _M_mode = __mode;
+         _M_buf_size_opt = __size;
+         
+         if (__size > 0 && __size < 4)
+           {
+             _M_buf = _M_unbuf;
+             _M_buf_size = __size;
+           }
+         else
+           _M_allocate_internal_buffer();
+         
+         _M_set_indeterminate();
+       }
+    }
+} // namespace __gnu_cxx