1 files changed, 153 insertions, 0 deletions
diff --git a/libstdc++/src/codecvt.cc b/libstdc++/src/codecvt.cc
new file mode 100644
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+++ b/libstdc++/src/codecvt.cc
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+// Copyright (C) 2000, 2002, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// 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.
+
+// Written by Benjamin Kosnik <bkoz@redhat.com>
+
+#include <locale>
+
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+  // Definitions for locale::id of standard facets that are specialized.
+ locale::id codecvt<char, char, mbstate_t>::id;
+
+#ifdef _GLIBCXX_USE_WCHAR_T  
+  locale::id codecvt<wchar_t, char, mbstate_t>::id;
+#endif
+
+  codecvt<char, char, mbstate_t>::
+  codecvt(size_t __refs)
+  : __codecvt_abstract_base<char, char, mbstate_t>(__refs),
+  _M_c_locale_codecvt(_S_get_c_locale())
+  { }
+
+  codecvt<char, char, mbstate_t>::
+  codecvt(__c_locale __cloc, size_t __refs)
+  : __codecvt_abstract_base<char, char, mbstate_t>(__refs),
+  _M_c_locale_codecvt(_S_clone_c_locale(__cloc))
+  { }
+
+  codecvt<char, char, mbstate_t>::
+  ~codecvt()
+  { _S_destroy_c_locale(_M_c_locale_codecvt); }
+  
+  codecvt_base::result
+  codecvt<char, char, mbstate_t>::
+  do_out(state_type&, const intern_type* __from, 
+	 const intern_type*, const intern_type*& __from_next,
+	 extern_type* __to, extern_type*, 
+	 extern_type*& __to_next) const
+  { 
+    // _GLIBCXX_RESOLVE_LIB_DEFECTS
+    // According to the resolution of DR19, "If returns noconv [...]
+    // there are no changes to the values in [to, to_limit)."
+    __from_next = __from; 
+    __to_next = __to;
+    return noconv;  
+  }
+  
+  codecvt_base::result
+  codecvt<char, char, mbstate_t>::
+  do_unshift(state_type&, extern_type* __to,
+             extern_type*, extern_type*& __to_next) const
+  { 
+    __to_next = __to; 
+    return noconv; 
+  }
+  
+  codecvt_base::result
+  codecvt<char, char, mbstate_t>::
+  do_in(state_type&, const extern_type* __from, 
+	const extern_type*, const extern_type*& __from_next,
+	intern_type* __to, intern_type*, intern_type*& __to_next) const
+  {
+    // _GLIBCXX_RESOLVE_LIB_DEFECTS
+    // According to the resolution of DR19, "If returns noconv [...]
+    // there are no changes to the values in [to, to_limit)."
+    __from_next = __from; 
+    __to_next = __to;
+    return noconv;  
+  }
+
+  int 
+  codecvt<char, char, mbstate_t>::
+  do_encoding() const throw() 
+  { return 1; }
+  
+  bool 
+  codecvt<char, char, mbstate_t>::
+  do_always_noconv() const throw() 
+  { return true; }
+  
+  int 
+  codecvt<char, char, mbstate_t>::
+  do_length (state_type&, const extern_type* __from,
+	     const extern_type* __end, size_t __max) const
+  { 
+    size_t __d = static_cast<size_t>(__end - __from);
+    return std::min(__max, __d); 
+  }
+  
+  int 
+  codecvt<char, char, mbstate_t>::
+  do_max_length() const throw() 
+  { return 1; }
+  
+#ifdef _GLIBCXX_USE_WCHAR_T
+  // codecvt<wchar_t, char, mbstate_t> required specialization
+  codecvt<wchar_t, char, mbstate_t>::
+  codecvt(size_t __refs)
+  : __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs),
+  _M_c_locale_codecvt(_S_get_c_locale())
+  { }
+
+  codecvt<wchar_t, char, mbstate_t>::
+  codecvt(__c_locale __cloc, size_t __refs)
+  : __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs),
+  _M_c_locale_codecvt(_S_clone_c_locale(__cloc))
+  { }
+
+  codecvt<wchar_t, char, mbstate_t>::
+  ~codecvt()
+  { _S_destroy_c_locale(_M_c_locale_codecvt); }
+  
+  codecvt_base::result
+  codecvt<wchar_t, char, mbstate_t>::
+  do_unshift(state_type&, extern_type* __to,
+	     extern_type*, extern_type*& __to_next) const
+  {
+    // XXX Probably wrong for stateful encodings
+    __to_next = __to;
+    return noconv;
+  }
+  
+  bool 
+  codecvt<wchar_t, char, mbstate_t>::
+  do_always_noconv() const throw()
+  { return false; }
+#endif //  _GLIBCXX_USE_WCHAR_T
+
+_GLIBCXX_END_NAMESPACE