Gcc 3.1.0 pre-release's C++ support bits from the FSF anoncvs repo

on 9-May-2002 15:57:15 EDT.

7 files changed, 1352 insertions, 0 deletions

diff --git a/contrib/libstdc++/config/io/basic_file_libio.cc b/contrib/libstdc++/config/io/basic_file_libio.cc
new file mode 100644
index 0000000..60eb006
--- /dev/null
+++ b/contrib/libstdc++/config/io/basic_file_libio.cc
@@ -0,0 +1,194 @@
+// Wrapper of C-language FILE struct -*- C++ -*-
+
+// Copyright (C) 2000, 2001 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.
+
+//
+// ISO C++ 14882: 27.8  File-based streams
+//
+
+#include <bits/basic_file.h>
+
+namespace std 
+{
+  // __basic_file<char> definitions
+  __basic_file<char>::__basic_file(__c_lock* __lock)
+  {
+#ifdef _IO_MTSAFE_IO
+    _lock = __lock;
+#endif
+    // Don't set the orientation of the stream when initializing.
+#ifdef _GLIBCPP_USE_WCHAR_T
+    _IO_no_init(this, 0, 0, &_M_wfile, 0);
+#else /* !defined(_GLIBCPP_USE_WCHAR_T) */
+    _IO_no_init(this, 0, 0, NULL, 0);
+#endif /* !defined(_GLIBCPP_USE_WCHAR_T) */
+    _IO_JUMPS((_IO_FILE_plus *) this) = &_IO_file_jumps;
+    _IO_file_init((_IO_FILE_plus*)this);
+  }
+
+  // NB: Unused.
+  int 
+  __basic_file<char>::overflow(int __c) 
+  { return _IO_file_overflow(this, __c); }
+
+  // NB: Unused.
+  int 
+  __basic_file<char>::underflow()  
+  { return _IO_file_underflow(this); }
+
+  // NB: Unused.
+  int 
+  __basic_file<char>::uflow()  
+  { return _IO_default_uflow(this); }
+
+  // NB: Unused.
+  int 
+  __basic_file<char>::pbackfail(int __c) 
+  { return _IO_default_pbackfail(this, __c); }
+ 
+  streamsize 
+  __basic_file<char>::xsputn(const char* __s, streamsize __n)
+  { return _IO_file_xsputn(this, __s, __n); }
+
+  streamoff
+  __basic_file<char>::seekoff(streamoff __off, ios_base::seekdir __way, 
+			      ios_base::openmode __mode)
+  { return _IO_file_seekoff(this, __off, __way, __mode); }
+
+  streamoff
+  __basic_file<char>::seekpos(streamoff __pos, ios_base::openmode __mode)
+  { return _IO_file_seekoff(this, __pos, ios_base::beg, __mode); }
+
+ // NB: Unused.
+  streambuf* 
+  __basic_file<char>::setbuf(char* __b, int __len)
+  { return (streambuf*) _IO_file_setbuf(this,__b, __len); }
+
+ int 
+  __basic_file<char>::sync()
+  { return _IO_file_sync(this); }
+
+  // NB: Unused.
+  int 
+  __basic_file<char>::doallocate() 
+  { return _IO_file_doallocate(this); }
+
+  // __basic_file<wchar_t> definitions
+#ifdef _GLIBCPP_USE_WCHAR_T
+  __basic_file<wchar_t>::__basic_file(__c_lock* __lock)
+  {
+#ifdef _IO_MTSAFE_IO
+    _lock = __lock;
+#endif
+    // Don't set the orientation of the stream when initializing.
+    _IO_no_init(this, 0, 0, &_M_wfile, &_IO_wfile_jumps);
+    _IO_JUMPS((_IO_FILE_plus *) this) = &_IO_wfile_jumps;
+    _IO_file_init((_IO_FILE_plus*)this);
+
+    // In addition, need to allocate the buffer...
+    _IO_wdoallocbuf(this);
+    // Setup initial positions for this buffer...
+    //    if (!(_flags & _IO_NO_READS))
+    _IO_wsetg(this, _wide_data->_IO_buf_base, _wide_data->_IO_buf_base,
+	      _wide_data->_IO_buf_base);
+    //    if (!(_flags & _IO_NO_WRITES))
+    _IO_wsetp(this, _wide_data->_IO_buf_base, _wide_data->_IO_buf_base);
+    
+    // Setup codecvt bits...
+    _codecvt = &__c_libio_codecvt;
+    
+    // Do the same for narrow bits...
+    if (_IO_write_base == NULL)
+      {
+	_IO_doallocbuf(this);
+	//      if (!(_flags & _IO_NO_READS))
+	_IO_setg(this, _IO_buf_base, _IO_buf_base, _IO_buf_base);
+	//    if (!(_flags & _IO_NO_WRITES))
+	_IO_setp(this, _IO_buf_base, _IO_buf_base);
+      }
+  }
+
+ int 
+  __basic_file<wchar_t>::overflow(int __c) 
+  { return _IO_wfile_overflow(this, __c); }
+
+  int 
+  __basic_file<wchar_t>::underflow()  
+  { return _IO_wfile_underflow(this); }
+
+  // NB: Unused.
+  int 
+  __basic_file<wchar_t>::uflow()  
+  { return _IO_wdefault_uflow(this); }
+
+  // NB: Unused.
+  int 
+  __basic_file<wchar_t>::pbackfail(int __c) 
+  { return _IO_wdefault_pbackfail(this, __c); }
+
+  streamsize 
+  __basic_file<wchar_t>::xsputn(const wchar_t* __s, streamsize __n)
+  { return _IO_wfile_xsputn(this, __s, __n); }
+  
+  streamoff
+  __basic_file<wchar_t>::seekoff(streamoff __off, ios_base::seekdir __way, 
+				 ios_base::openmode __mode)
+  { return _IO_wfile_seekoff(this, __off, __way, __mode); }
+
+  streamoff
+  __basic_file<wchar_t>::seekpos(streamoff __pos, ios_base::openmode __mode)
+  { return _IO_wfile_seekoff(this, __pos, ios_base::beg, __mode); }
+
+   streambuf* 
+  __basic_file<wchar_t>::setbuf(wchar_t* __b, int __len)
+  { return (streambuf*) _IO_wfile_setbuf(this,__b, __len); }
+
+   int 
+  __basic_file<wchar_t>::sync()
+  { return _IO_wfile_sync(this); }
+
+  int 
+  __basic_file<wchar_t>::doallocate() 
+  { return _IO_wfile_doallocate(this); }
+#endif
+
+  // Need to instantiate base class here for type-info bits, etc
+  template struct __basic_file_base<char>;
+  template class __basic_file<char>;
+#ifdef _GLIBCPP_USE_WCHAR_T
+  template struct __basic_file_base<wchar_t>;
+  template class __basic_file<wchar_t>;
+#endif
+}  // namespace std
+
+
+
+
+
+
+
diff --git a/contrib/libstdc++/config/io/basic_file_libio.h b/contrib/libstdc++/config/io/basic_file_libio.h
new file mode 100644
index 0000000..57d83c4
--- /dev/null
+++ b/contrib/libstdc++/config/io/basic_file_libio.h
@@ -0,0 +1,498 @@
+// Wrapper of C-language FILE struct -*- C++ -*-
+
+// Copyright (C) 2000, 2001, 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.
+
+//
+// ISO C++ 14882: 27.8  File-based streams
+//
+
+/** @file basic_file.h
+ *  This is an internal header file, included by other library headers.
+ *  You should not attempt to use it directly.
+ */
+
+#ifndef _CPP_BASIC_FILE
+#define _CPP_BASIC_FILE 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <ios>
+#include <libioP.h>
+
+namespace std 
+{
+  // Ulrich is going to make some detailed comment here, explaining
+  // all this unpleasantness, providing detailed performance analysis
+  // as to why we have to do all this lame vtable hacking instead of a
+  // sane, function-based approach. This verbiage will provide a clear
+  // and detailed description of the whole object-layout,
+  // vtable-swapping, sordid history of this hack.
+  template<typename _CharT>
+    struct __basic_file_base: public __c_file_type
+    {
+      virtual 
+      ~__basic_file_base() { };
+
+      virtual int 
+      overflow(int __c = EOF) = 0;
+
+      virtual int 
+      underflow() = 0;
+
+      virtual int 
+      uflow() = 0;
+
+      virtual int 
+      pbackfail(int __c) = 0;
+
+      virtual streamsize 
+      xsputn(const _CharT* __s, streamsize __n) = 0;
+
+      virtual streamsize 
+      xsgetn(_CharT* __s, streamsize __n) = 0;
+
+      virtual streamoff
+      seekoff(streamoff __off, ios_base::seekdir __way,
+	      ios_base::openmode __mode = ios_base::in | ios_base::out) = 0;
+
+      virtual streamoff
+      seekpos(streamoff __pos, 
+	      ios_base::openmode __mode = ios_base::in | ios_base::out) = 0;
+
+      virtual streambuf* 
+      setbuf(_CharT* __b, int __len) = 0;
+
+      virtual int 
+      sync() = 0;
+
+      virtual int 
+      doallocate() = 0;
+
+      virtual streamsize 
+      sys_read(_CharT* __s, streamsize __n) = 0;
+
+      virtual streamsize 
+      sys_write(const _CharT* __s, streamsize __n) = 0;
+
+      virtual streamoff
+      sys_seek(streamoff __off, ios_base::seekdir __way) = 0;
+
+      virtual int 
+      sys_close() = 0;
+
+      virtual int 
+      sys_stat(void* __v) = 0;
+
+      virtual int 
+      showmanyc() = 0;
+
+      virtual void 
+      imbue(void* __v) = 0;
+    };
+
+  // Some of these member functions are based on libio/filebuf.cc.
+  // Also note that the order and number of virtual functions has to precisely
+  // match the order and number in the _IO_jump_t struct defined in libioP.h.
+  template<typename _CharT>
+    class __basic_file: public __basic_file_base<_CharT>
+    {
+# ifdef _GLIBCPP_USE_WCHAR_T
+      __c_wfile_type	_M_wfile;
+# endif
+
+    public:
+      __basic_file(__c_lock* __lock = 0);
+      
+      void 
+      _M_open_mode(ios_base::openmode __mode, int& __p_mode, int& __rw_mode, 
+		   char* __c_mode);
+      
+      // Equivalent to the normal fopen function.
+      __basic_file* 
+      open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
+
+      // Used for opening the standard streams, cin, cout, cerr, clog,
+      // and their wide-stream equivalents. Instead of calling open, it
+      // just sets
+      //  - for libio:  __c_file_type->_fileno and the respective _flags bits
+      //  - for stdio:  _M_cfile = __file and some internal flags
+      // and returns.
+      __basic_file*
+      sys_open(__c_file_type* __file, ios_base::openmode __mode);
+
+      _CharT
+      sys_getc();
+
+      _CharT
+      sys_ungetc(_CharT);
+
+      __basic_file* 
+      close(); 
+
+      bool 
+      is_open();
+
+      int 
+      fd();
+
+      // NB: Must match FILE specific jump table starting here--this
+      // means all virtual functions starting with the dtor must match,
+      // slot by slot. For glibc-based dystems, this means the _IO_FILE
+      // as the FILE struct and _IO_jump_t as the jump table.
+      virtual 
+      ~__basic_file(); // Takes the place of __finish.
+
+      virtual int 
+      overflow(int __c = EOF);
+
+      virtual int 
+      underflow();
+
+      virtual int 
+      uflow();
+
+      virtual int 
+      pbackfail(int __c);
+
+      // A complex "write" function that sets all of __c_file_type's
+      // pointers and associated data members correctly and manages its
+      // relation to the external byte sequence.
+      virtual streamsize 
+      xsputn(const _CharT* __s, streamsize __n);
+
+      // A complex "read" function that sets all of __c_file_type's
+      // pointers and associated data members correctly and manages its
+      // relation to the external byte sequence.
+      virtual streamsize 
+      xsgetn(_CharT* __s, streamsize __n);
+
+      // A complex "seekoff" function that sets all of __c_file_type's
+      // pointers and associated data members correctly and manages its
+      // relation to the external byte sequence.
+      virtual streamoff
+      seekoff(streamoff __off, ios_base::seekdir __way,
+	      ios_base::openmode __mode = ios_base::in | ios_base::out);
+
+      // A complex "seekpos" function that sets all of __c_file_type's
+      // pointers and associated data members correctly and manages its
+      // relation to the external byte sequence.
+      virtual streamoff
+      seekpos(streamoff __pos, 
+	      ios_base::openmode __mode = ios_base::in | ios_base::out);
+
+      virtual streambuf* 
+      setbuf(_CharT* __b, int __len);
+
+      virtual int 
+      sync();
+
+      virtual int 
+      doallocate();
+
+      // A simple read function for the external byte sequence, that
+      // does no mucking around with or setting of the pointers or flags
+      // in __c_file_type.
+      virtual streamsize 
+      sys_read(_CharT* __s, streamsize __n);
+
+      // A simple write function for the external byte sequence, that
+      // does no mucking around with or setting of the pointers or flags
+      // in __c_file_type.
+      virtual streamsize 
+      sys_write(const _CharT* __s, streamsize __n);
+
+      // A simple seek function for the external byte sequence, that
+      // does no mucking around with or setting of the pointers or flags
+      // in __c_file_type.
+      virtual streamoff
+      sys_seek(streamoff __off, ios_base::seekdir __way);
+
+      virtual int 
+      sys_close();
+
+      virtual int 
+      sys_stat(void* __v);
+
+      virtual int 
+      showmanyc();
+
+      virtual void 
+      imbue(void* __v);
+    };
+
+  // __basic_file<char> specializations
+  template<>
+    __basic_file<char>::__basic_file(__c_lock* __lock);
+
+  template<>
+    int 
+    __basic_file<char>::overflow(int __c);
+
+  template<>
+    int 
+    __basic_file<char>::underflow();
+
+  template<>
+    int 
+    __basic_file<char>::uflow();
+
+  template<>
+    int 
+    __basic_file<char>::pbackfail(int __c);
+
+  template<>
+    streamsize 
+    __basic_file<char>::xsputn(const char* __s, streamsize __n);
+
+  template<>
+    streamoff
+    __basic_file<char>::seekoff(streamoff __off, ios_base::seekdir __way, 
+				ios_base::openmode __mode);
+
+  template<>
+    streamoff
+    __basic_file<char>::seekpos(streamoff __pos, ios_base::openmode __mode);
+
+  template<>
+    streambuf* 
+    __basic_file<char>::setbuf(char* __b, int __len);
+
+  template<>
+    int 
+    __basic_file<char>::sync();
+
+  template<>
+    int 
+    __basic_file<char>::doallocate();
+
+  // __basic_file<wchar_t> specializations
+#ifdef _GLIBCPP_USE_WCHAR_T
+  template<>
+    __basic_file<wchar_t>::__basic_file(__c_lock* __lock);
+
+  template<>
+    int 
+    __basic_file<wchar_t>::overflow(int __c);
+
+  template<>
+    int 
+    __basic_file<wchar_t>::underflow();
+
+  template<>
+    int 
+    __basic_file<wchar_t>::uflow();
+
+  template<>
+    int 
+    __basic_file<wchar_t>::pbackfail(int __c);
+
+  template<>
+    streamsize 
+    __basic_file<wchar_t>::xsputn(const wchar_t* __s, streamsize __n);
+
+  template<>
+    streamoff
+    __basic_file<wchar_t>::seekoff(streamoff __off, ios_base::seekdir __way, 
+				ios_base::openmode __mode);
+
+  template<>
+    streamoff
+    __basic_file<wchar_t>::seekpos(streamoff __pos, ios_base::openmode __mode);
+
+  template<>
+    streambuf* 
+    __basic_file<wchar_t>::setbuf(wchar_t* __b, int __len);
+
+  template<>
+    int 
+    __basic_file<wchar_t>::sync();
+
+  template<>
+    int 
+    __basic_file<wchar_t>::doallocate();
+#endif
+
+  template<typename _CharT>
+    __basic_file<_CharT>::~__basic_file()
+    { _IO_file_finish(this, 0); }
+      
+  template<typename _CharT>
+    void 
+    __basic_file<_CharT>::_M_open_mode(ios_base::openmode __mode, 
+				       int& __p_mode, int& __rw_mode, 
+				       char* /*__c_mode*/)
+    {  
+#ifdef O_BINARY
+      bool __testb = __mode & ios_base::binary;
+#endif
+      bool __testi = __mode & ios_base::in;
+      bool __testo = __mode & ios_base::out;
+      bool __testt = __mode & ios_base::trunc;
+      bool __testa = __mode & ios_base::app;
+      
+      if (!__testi && __testo && !__testt && !__testa)
+	{
+	  __p_mode = O_WRONLY | O_TRUNC | O_CREAT;
+	  __rw_mode = _IO_NO_READS;
+	}
+      if (!__testi && __testo && !__testt && __testa)
+	{
+	  __p_mode = O_WRONLY | O_APPEND | O_CREAT;
+	  __rw_mode = _IO_NO_READS | _IO_IS_APPENDING;
+	}
+      if (!__testi && __testo && __testt && !__testa)
+	{
+	  __p_mode = O_WRONLY | O_TRUNC | O_CREAT;
+	  __rw_mode = _IO_NO_READS;
+	}
+      if (__testi && !__testo && !__testt && !__testa)
+	{
+	  __p_mode = O_RDONLY;
+	  __rw_mode = _IO_NO_WRITES;
+	}
+      if (__testi && __testo && !__testt && !__testa)
+	{
+	  __p_mode = O_RDWR;
+	  __rw_mode = 0;
+	}
+      if (__testi && __testo && __testt && !__testa)
+	{
+	  __p_mode = O_RDWR | O_TRUNC | O_CREAT;
+	  __rw_mode = 0;
+	}
+#ifdef O_BINARY
+      if (__testb)
+	__p_mode |= O_BINARY;
+#endif	   
+    }
+  
+  template<typename _CharT>
+    __basic_file<_CharT>*
+    __basic_file<_CharT>::sys_open(__c_file_type* __f, 
+				   ios_base::openmode __mode) 
+    {
+      __basic_file* __ret = NULL;
+      int __fd = fileno(__f);
+      int __p_mode = 0;
+      int __rw_mode = _IO_NO_READS + _IO_NO_WRITES; 
+      char __c_mode[4];
+      
+      _M_open_mode(__mode, __p_mode, __rw_mode, __c_mode);
+
+      if (!_IO_file_is_open(this))
+	{
+	  _fileno = __fd;
+	  _flags &= ~(_IO_NO_READS + _IO_NO_WRITES);
+	  _flags |= _IO_DELETE_DONT_CLOSE;
+	  _offset = _IO_pos_BAD;
+	  int __mask = _IO_NO_READS + _IO_NO_WRITES + _IO_IS_APPENDING;
+	  _IO_mask_flags(this, __rw_mode, __mask);
+	}
+
+      return __ret;
+    }
+  
+  template<typename _CharT>
+    __basic_file<_CharT>* 
+    __basic_file<_CharT>::open(const char* __name, ios_base::openmode __mode, 
+			       int __prot)
+    {
+      __basic_file* __ret = NULL;
+      int __p_mode = 0;
+      int __rw_mode = _IO_NO_READS + _IO_NO_WRITES; 
+      char __c_mode[4];
+
+      _M_open_mode(__mode, __p_mode, __rw_mode, __c_mode);
+      if (!_IO_file_is_open(this))
+	{
+	  __c_file_type* __f;
+	  __f = _IO_file_open(this, __name, __p_mode, __prot, __rw_mode, 0);
+	  __ret = __f ? this: NULL;
+	}
+      return __ret;
+    }
+  
+  template<typename _CharT>
+    bool 
+    __basic_file<_CharT>::is_open() { return _fileno >= 0; }
+  
+  template<typename _CharT>
+    __basic_file<_CharT>* 
+    __basic_file<_CharT>::close()
+    { 
+      return _IO_file_close_it(this) ? static_cast<__basic_file*>(NULL) : this;
+    }
+ 
+  template<typename _CharT>
+    streamsize 
+    __basic_file<_CharT>::xsgetn(_CharT* __s, streamsize __n)
+    { return _IO_file_xsgetn(this, __s, __n); }
+
+  // NB: Unused.
+  template<typename _CharT>
+    streamsize 
+    __basic_file<_CharT>::sys_read(_CharT* __s, streamsize __n) 
+    { return _IO_file_read(this, __s, __n); }
+
+  // NB: Unused.    
+  template<typename _CharT>
+    streamsize 
+    __basic_file<_CharT>::sys_write(const _CharT* __s, streamsize __n) 
+    { return _IO_file_write(this, __s, __n); }
+
+  // NB: Unused.
+  template<typename _CharT>
+    streamoff
+    __basic_file<_CharT>::sys_seek(streamoff __pos, ios_base::seekdir __way)
+    { return _IO_file_seek(this, __pos, __way); }
+  
+  // NB: Unused.
+  template<typename _CharT>
+    int 
+    __basic_file<_CharT>::sys_close() 
+    { return _IO_file_close(this); }
+
+  // NB: Unused.
+  template<typename _CharT>
+    int 
+    __basic_file<_CharT>::sys_stat(void* __v) 
+    { return _IO_file_stat(this, __v); }
+
+  // NB: Unused.
+  template<typename _CharT>
+    int 
+    __basic_file<_CharT>::showmanyc() { return EOF; }
+
+  // NB: Unused.
+  template<typename _CharT>
+    void 
+    __basic_file<_CharT>::imbue(void* /*__v*/) { }
+}  // namespace std
+
+#endif	// _CPP_BASIC_FILE
diff --git a/contrib/libstdc++/config/io/basic_file_stdio.cc b/contrib/libstdc++/config/io/basic_file_stdio.cc
new file mode 100644
index 0000000..93ca6bc
--- /dev/null
+++ b/contrib/libstdc++/config/io/basic_file_stdio.cc
@@ -0,0 +1,187 @@
+// Wrapper of C-language FILE struct -*- C++ -*-
+
+// Copyright (C) 2000, 2001, 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.
+
+//
+// ISO C++ 14882: 27.8  File-based streams
+//
+
+#include <bits/basic_file.h>
+
+namespace std 
+{
+  // Definitions for __basic_file<char>.
+  __basic_file<char>::__basic_file(__c_lock* /*__lock*/) 
+  : _M_cfile(NULL), _M_cfile_created(false) { }
+
+  __basic_file<char>::~__basic_file()
+  { this->close(); }
+      
+  void 
+  __basic_file<char>::_M_open_mode(ios_base::openmode __mode, int&, int&, 
+				   char* __c_mode)
+  {  
+    bool __testb = __mode & ios_base::binary;
+    bool __testi = __mode & ios_base::in;
+    bool __testo = __mode & ios_base::out;
+    bool __testt = __mode & ios_base::trunc;
+    bool __testa = __mode & ios_base::app;
+      
+    if (!__testi && __testo && !__testt && !__testa)
+      strcpy(__c_mode, "w");
+    if (!__testi && __testo && !__testt && __testa)
+      strcpy(__c_mode, "a");
+    if (!__testi && __testo && __testt && !__testa)
+      strcpy(__c_mode, "w");
+    if (__testi && !__testo && !__testt && !__testa)
+      strcpy(__c_mode, "r");
+    if (__testi && __testo && !__testt && !__testa)
+      strcpy(__c_mode, "r+");
+    if (__testi && __testo && __testt && !__testa)
+      strcpy(__c_mode, "w+");
+    if (__testb)
+      strcat(__c_mode, "b");
+  }
+  
+  __basic_file<char>*
+  __basic_file<char>::sys_open(__c_file* __file, ios_base::openmode) 
+  {
+    __basic_file* __ret = NULL;
+    if (!this->is_open() && __file)
+      {
+ 	_M_cfile = __file;
+ 	_M_cfile_created = false;
+  	__ret = this;
+      }
+    return __ret;
+  }
+  
+  __basic_file<char>*
+  __basic_file<char>::sys_open(int __fd, ios_base::openmode __mode, 
+			       bool __del) 
+  {
+    __basic_file* __ret = NULL;
+    int __p_mode = 0;
+    int __rw_mode = 0;
+    char __c_mode[4];
+    
+    _M_open_mode(__mode, __p_mode, __rw_mode, __c_mode);
+    if (!this->is_open() && (_M_cfile = fdopen(__fd, __c_mode)))
+      {
+	// Iff __del is true, then close will fclose the fd.
+	_M_cfile_created = __del;
+
+	if (__fd == 0)
+	  setvbuf(_M_cfile, reinterpret_cast<char*>(NULL), _IONBF, 0);
+
+	__ret = this;
+      }
+    return __ret;
+  }
+
+  int
+  __basic_file<char>::sys_getc() 
+  { return getc(_M_cfile); }
+
+  int
+  __basic_file<char>::sys_ungetc(int __c) 
+  { return ungetc(__c, _M_cfile); }
+  
+  __basic_file<char>* 
+  __basic_file<char>::open(const char* __name, ios_base::openmode __mode, 
+			   int /*__prot*/)
+  {
+    __basic_file* __ret = NULL;
+    int __p_mode = 0;
+    int __rw_mode = 0;
+    char __c_mode[4];
+      
+    _M_open_mode(__mode, __p_mode, __rw_mode, __c_mode);
+
+    if (!this->is_open())
+      {
+	if ((_M_cfile = fopen(__name, __c_mode)))
+	  {
+	    _M_cfile_created = true;
+	    __ret = this;
+	  }
+      }
+    return __ret;
+  }
+  
+  bool 
+  __basic_file<char>::is_open() const 
+  { return _M_cfile != 0; }
+  
+  int 
+  __basic_file<char>::fd() 
+  { return fileno(_M_cfile) ; }
+  
+  __basic_file<char>* 
+  __basic_file<char>::close()
+  { 
+    __basic_file* __retval = static_cast<__basic_file*>(NULL);
+    if (this->is_open())
+      {
+	fflush(_M_cfile);
+	if ((_M_cfile_created && fclose(_M_cfile) == 0) || !_M_cfile_created)
+	  {
+	    _M_cfile = 0;
+	    __retval = this;
+	  }
+      }
+    return __retval;
+  }
+ 
+  streamsize 
+  __basic_file<char>::xsgetn(char* __s, streamsize __n)
+  { return fread(__s, 1, __n, _M_cfile); }
+  
+  streamsize 
+  __basic_file<char>::xsputn(const char* __s, streamsize __n)
+  { return fwrite(__s, 1, __n, _M_cfile); }
+  
+  streamoff
+  __basic_file<char>::seekoff(streamoff __off, ios_base::seekdir __way, 
+			      ios_base::openmode /*__mode*/)
+  { 
+    fseek(_M_cfile, __off, __way); 
+    return ftell(_M_cfile); 
+  }
+
+  streamoff
+  __basic_file<char>::seekpos(streamoff __pos, ios_base::openmode /*__mode*/)
+  { 
+    fseek(_M_cfile, __pos, ios_base::beg); 
+    return ftell(_M_cfile); 
+  }
+  
+  int 
+  __basic_file<char>::sync() 
+  { return fflush(_M_cfile); }
+}  // namespace std
diff --git a/contrib/libstdc++/config/io/basic_file_stdio.h b/contrib/libstdc++/config/io/basic_file_stdio.h
new file mode 100644
index 0000000..fe6edbb
--- /dev/null
+++ b/contrib/libstdc++/config/io/basic_file_stdio.h
@@ -0,0 +1,114 @@
+// Wrapper of C-language FILE struct -*- C++ -*-
+
+// Copyright (C) 2000, 2001, 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.
+
+//
+// ISO C++ 14882: 27.8  File-based streams
+//
+
+/** @file basic_file.h
+ *  This is an internal header file, included by other library headers.
+ *  You should not attempt to use it directly.
+ */
+
+#ifndef _CPP_BASIC_FILE
+#define _CPP_BASIC_FILE 1
+
+#pragma GCC system_header
+
+#include <bits/c++config.h>
+#include <ios>
+
+namespace std 
+{
+  // Generic declaration.
+  template<typename _CharT>
+    class __basic_file; 
+
+  // Specialization.
+  template<>
+    class __basic_file<char>
+    {
+      // Underlying data source/sink.
+      __c_file* 	_M_cfile;
+      // True iff we opened _M_cfile, and thus must close it ourselves.
+      bool 		_M_cfile_created;
+
+    public:
+      __basic_file(__c_lock* __lock = 0);
+      
+      void 
+      _M_open_mode(ios_base::openmode __mode, int& __p_mode, int& __rw_mode, 
+		   char* __c_mode);
+      
+      __basic_file* 
+      open(const char* __name, ios_base::openmode __mode, int __prot = 0664);
+
+      __basic_file*
+      sys_open(__c_file* __file, ios_base::openmode);
+
+      __basic_file*
+      sys_open(int __fd, ios_base::openmode __mode, bool __del);
+
+      int
+      sys_getc();
+
+      int
+      sys_ungetc(int);
+
+      __basic_file* 
+      close(); 
+
+      bool 
+      is_open() const;
+
+      int 
+      fd();
+
+      ~__basic_file();
+
+      streamsize 
+      xsputn(const char* __s, streamsize __n);
+
+      streamsize 
+      xsgetn(char* __s, streamsize __n);
+
+      streamoff
+      seekoff(streamoff __off, ios_base::seekdir __way,
+	      ios_base::openmode __mode = ios_base::in | ios_base::out);
+
+      streamoff
+      seekpos(streamoff __pos, 
+	      ios_base::openmode __mode = ios_base::in | ios_base::out);
+
+      int 
+      sync();
+    };
+}  // namespace std
+
+#endif	// _CPP_BASIC_FILE
diff --git a/contrib/libstdc++/config/io/c_io_libio.h b/contrib/libstdc++/config/io/c_io_libio.h
new file mode 100644
index 0000000..acf6520
--- /dev/null
+++ b/contrib/libstdc++/config/io/c_io_libio.h
@@ -0,0 +1,113 @@
+// underlying io library  -*- C++ -*-
+
+// Copyright (C) 2000, 2001, 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.
+
+// c_io_libio.h - Defines for using the GNU libio
+
+#ifndef _CPP_IO_LIBIO_H
+#define _CPP_IO_LIBIO_H 1
+
+#include <libio.h>
+
+namespace std 
+{
+// from fpos.h
+  typedef _IO_ssize_t 	streamsize; // Signed integral type
+  typedef _IO_ssize_t 	wstreamsize;
+
+#if defined(_G_IO_IO_FILE_VERSION) && _G_IO_IO_FILE_VERSION == 0x20001
+  typedef _IO_off64_t 	streamoff;
+  typedef _IO_fpos64_t 	__c_streampos;
+#else
+  typedef _IO_off_t 	streamoff;
+  typedef _IO_fpos_t 	__c_streampos;
+#endif
+
+#ifdef _GLIBCPP_USE_THREADS
+  typedef _IO_lock_t   __c_lock;
+#else
+  typedef int          __c_lock;
+#endif
+
+// from basic_file.h
+  typedef _IO_FILE 	__c_file_type;
+  typedef _IO_wide_data __c_wfile_type;
+
+#ifdef _GLIBCPP_USE_WCHAR_T
+  extern "C" _IO_codecvt __c_libio_codecvt;
+#endif 
+
+// from ios_base.h
+  struct __ios_flags
+  {
+    typedef short __int_type;
+
+    static const __int_type _S_boolalpha =	_IO_BAD_SEEN;
+    static const __int_type _S_dec =		_IO_DEC;
+    static const __int_type _S_fixed = 		_IO_FIXED;
+    static const __int_type _S_hex =		_IO_HEX;
+    static const __int_type _S_internal = 	_IO_INTERNAL;
+    static const __int_type _S_left =          	_IO_LEFT;
+    static const __int_type _S_oct =		_IO_OCT;
+    static const __int_type _S_right =		_IO_RIGHT;
+    static const __int_type _S_scientific =	_IO_SCIENTIFIC;
+    static const __int_type _S_showbase =      	_IO_SHOWBASE;
+    static const __int_type _S_showpoint =	_IO_SHOWPOINT;
+    static const __int_type _S_showpos =       	_IO_SHOWPOS;
+    static const __int_type _S_skipws =		_IO_SKIPWS;
+    static const __int_type _S_unitbuf =       	_IO_UNITBUF;
+    static const __int_type _S_uppercase =	_IO_UPPERCASE;
+    static const __int_type _S_adjustfield =	_IO_LEFT | _IO_RIGHT
+    						| _IO_INTERNAL;
+    static const __int_type _S_basefield =	_IO_DEC | _IO_OCT | _IO_HEX;
+    static const __int_type _S_floatfield =	_IO_SCIENTIFIC | _IO_FIXED;
+
+    // 27.4.2.1.3  Type ios_base::iostate
+    static const __int_type _S_badbit =		_IO_BAD_SEEN;
+    static const __int_type _S_eofbit =		_IO_EOF_SEEN;
+    static const __int_type _S_failbit =       	_IO_ERR_SEEN;
+
+    // 27.4.2.1.4  Type openmode
+    static const __int_type _S_app =		_IOS_APPEND;
+    static const __int_type _S_ate =		_IOS_ATEND;
+    static const __int_type _S_bin =		_IOS_BIN;
+    static const __int_type _S_in =		_IOS_INPUT;
+    static const __int_type _S_out =		_IOS_OUTPUT;
+    static const __int_type _S_trunc =		_IOS_TRUNC;
+  };
+}
+
+#endif // _CPP_IO_LIBIO_H
+
+
+
+
+
+
+
+
diff --git a/contrib/libstdc++/config/io/c_io_libio_codecvt.c b/contrib/libstdc++/config/io/c_io_libio_codecvt.c
new file mode 100644
index 0000000..38d8b55
--- /dev/null
+++ b/contrib/libstdc++/config/io/c_io_libio_codecvt.c
@@ -0,0 +1,153 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU IO 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, if you link this library with files
+   compiled with a GNU compiler to produce an executable, this does
+   not 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.  */
+
+/* Slightly modified from glibc/libio/iofwide.c */
+
+#include <libio.h>
+
+#ifdef _GLIBCPP_USE_WCHAR_T
+
+/* Prototypes of libio's codecvt functions.  */
+static enum __codecvt_result 
+do_out(struct _IO_codecvt *codecvt, __c_mbstate_t *statep,
+       const wchar_t *from_start, const wchar_t *from_end,
+       const wchar_t **from_stop, char *to_start, char *to_end, 
+       char **to_stop);
+
+static enum __codecvt_result 
+do_unshift(struct _IO_codecvt *codecvt, __c_mbstate_t *statep, char *to_start, 
+	   char *to_end, char **to_stop);
+
+static enum __codecvt_result 
+do_in(struct _IO_codecvt *codecvt, __c_mbstate_t *statep, 
+      const char *from_start, const char *from_end, const char **from_stop, 
+      wchar_t *to_start, wchar_t *to_end, wchar_t **to_stop);
+
+static int 
+do_encoding(struct _IO_codecvt *codecvt);
+
+static int 
+do_length(struct _IO_codecvt *codecvt, __c_mbstate_t *statep, 
+	  const char *from_start, const char *from_end, _IO_size_t max);
+
+static int 
+do_max_length(struct _IO_codecvt *codecvt);
+
+static int 
+do_always_noconv(struct _IO_codecvt *codecvt);
+
+
+/* The functions used in `codecvt' for libio are always the same.  */
+struct _IO_codecvt __c_libio_codecvt =
+{
+  .__codecvt_destr = NULL,		/* Destructor, never used.  */
+  .__codecvt_do_out = do_out,
+  .__codecvt_do_unshift = do_unshift,
+  .__codecvt_do_in = do_in,
+  .__codecvt_do_encoding = do_encoding,
+  .__codecvt_do_always_noconv = do_always_noconv,
+  .__codecvt_do_length = do_length,
+  .__codecvt_do_max_length = do_max_length
+};
+
+static enum __codecvt_result
+do_out(struct _IO_codecvt *codecvt, __c_mbstate_t *statep,
+       const wchar_t *from_start, const wchar_t *from_end,
+       const wchar_t **from_stop, char *to_start, char *to_end,
+       char **to_stop)
+{
+  enum __codecvt_result res = __codecvt_ok;
+
+  while (from_start < from_end)
+    {
+      if (to_start >= to_end)
+	{
+	  res = __codecvt_partial;
+	  break;
+	}
+      *to_start++ = (char) *from_start++;
+    }
+
+  *from_stop = from_start;
+  *to_stop = to_start;
+
+  return res;
+}
+
+
+static enum __codecvt_result
+do_unshift(struct _IO_codecvt *codecvt, __c_mbstate_t *statep,
+	   char *to_start, char *to_end, char **to_stop)
+{
+  *to_stop = to_start;
+  return __codecvt_ok;
+}
+
+
+static enum __codecvt_result
+do_in(struct _IO_codecvt *codecvt, __c_mbstate_t *statep,
+      const char *from_start, const char *from_end, const char **from_stop,
+      wchar_t *to_start, wchar_t *to_end, wchar_t **to_stop)
+{
+  enum __codecvt_result res = __codecvt_ok;
+
+  while (from_start < from_end)
+    {
+      if (to_start >= to_end)
+	{
+	  res = __codecvt_partial;
+	  break;
+	}
+      *to_start++ = (wchar_t) *from_start++;
+    }
+
+  *from_stop = from_start;
+  *to_stop = to_start;
+
+  return res;
+}
+
+
+static int
+do_encoding(struct _IO_codecvt *codecvt)
+{ return 1; }
+
+
+static int
+do_always_noconv(struct _IO_codecvt *codecvt)
+{ return 0; }
+
+
+static int
+do_length(struct _IO_codecvt *codecvt, __c_mbstate_t *statep,
+	  const char *from_start, const char *from_end, _IO_size_t max)
+{ return from_end - from_start; }
+
+
+static int
+do_max_length(struct _IO_codecvt *codecvt)
+{ return 1; }
+
+#endif /* _GLIBCPP_USE_WCHAR_T */
diff --git a/contrib/libstdc++/config/io/c_io_stdio.h b/contrib/libstdc++/config/io/c_io_stdio.h
new file mode 100644
index 0000000..0d11d14
--- /dev/null
+++ b/contrib/libstdc++/config/io/c_io_stdio.h
@@ -0,0 +1,93 @@
+// underlying io library  -*- C++ -*-
+
+// Copyright (C) 2000, 2001, 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.
+
+// c_io_stdio.h - Defines for using "C" stdio.h
+
+#ifndef _CPP_IO_STDIO_H
+#define _CPP_IO_STDIO_H 1
+
+#include <cstdio>
+#include <cstddef>
+#include <bits/gthr.h>
+
+namespace std 
+{
+// for fpos.h
+  typedef long  	streamoff;
+  typedef ptrdiff_t	streamsize; // Signed integral type
+#if _GLIBCPP_USE_WCHAR_T
+  typedef ptrdiff_t	wstreamsize;
+#endif
+  typedef fpos_t  	__c_streampos;
+
+  typedef __gthread_mutex_t __c_lock;
+
+// for basic_file.h
+  typedef FILE __c_file;
+
+// for ios_base.h
+  struct __ios_flags
+  {
+    typedef short __int_type;
+
+    static const __int_type _S_boolalpha =	0x0001;
+    static const __int_type _S_dec =		0x0002;
+    static const __int_type _S_fixed = 		0x0004;
+    static const __int_type _S_hex =		0x0008;
+    static const __int_type _S_internal = 	0x0010;
+    static const __int_type _S_left =   	0x0020;
+    static const __int_type _S_oct =		0x0040;
+    static const __int_type _S_right =		0x0080;
+    static const __int_type _S_scientific =	0x0100;
+    static const __int_type _S_showbase =       0x0200;
+    static const __int_type _S_showpoint =	0x0400;
+    static const __int_type _S_showpos =	0x0800;
+    static const __int_type _S_skipws =		0x1000;
+    static const __int_type _S_unitbuf =	0x2000;
+    static const __int_type _S_uppercase =	0x4000;
+    static const __int_type _S_adjustfield =	0x0020 | 0x0080 | 0x0010;
+    static const __int_type _S_basefield =	0x0002 | 0x0040 | 0x0008;
+    static const __int_type _S_floatfield =	0x0100 | 0x0004;
+
+    // 27.4.2.1.3  Type ios_base::iostate
+    static const __int_type _S_badbit =		0x01;
+    static const __int_type _S_eofbit =		0x02;
+    static const __int_type _S_failbit =       	0x04;
+
+    // 27.4.2.1.4  Type openmode
+    static const __int_type _S_app =		0x01;
+    static const __int_type _S_ate =		0x02;
+    static const __int_type _S_bin =		0x04;
+    static const __int_type _S_in =		0x08;
+    static const __int_type _S_out =		0x10;
+    static const __int_type _S_trunc =		0x20;
+  };
+}
+
+#endif // _CPP_IO_STDIO_H