diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4a976be6ccb83231090e630b2cc00b955fa0a73c..a2c78c0e6b5b1bfeca36c4db8ec1a3df8e5e6ea5 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,15 @@
+2004-01-04  Paolo Carlini  <pcarlini@suse.de>
+
+	* config/locale/generic/numeric_members.cc (_M_initialize_numpunct):
+	Avoid unnecessarily zero terminating _M_atoms_out and _M_atoms_in;
+	always use double underscored names.
+	* config/locale/gnu/numeric_members.cc (_M_initialize_numpunct):
+	Likewise.
+	* include/bits/locale_facets.h (struct __numpunct_cache):
+	Dimension _M_atoms_out and _M_atoms_in one position smaller.
+	(__numpunct_cache<>::_M_cache): Don't zero terminate _M_atoms_out
+	and _M_atoms_in.
+
 2003-12-31  Paolo Carlini  <pcarlini@suse.de>
 
 	* include/bits/locale_facets.tcc (num_get::_M_extract_int,
diff --git a/libstdc++-v3/config/locale/generic/numeric_members.cc b/libstdc++-v3/config/locale/generic/numeric_members.cc
index 09af14703b18bcda3217d043d0d0fd845a9ed183..8af127b8644fa56f18ccafecda858c304fa9c5e9 100644
--- a/libstdc++-v3/config/locale/generic/numeric_members.cc
+++ b/libstdc++-v3/config/locale/generic/numeric_members.cc
@@ -1,6 +1,6 @@
 // std::numpunct implementation details, generic version -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2003, 2004 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
@@ -51,13 +51,11 @@ namespace std
       _M_data->_M_decimal_point = '.';
       _M_data->_M_thousands_sep = ',';
       
-      for (size_t i = 0; i < __num_base::_S_oend; ++i)
-	_M_data->_M_atoms_out[i] = __num_base::_S_atoms_out[i];
-      _M_data->_M_atoms_out[__num_base::_S_oend] = char();
+      for (size_t __i = 0; __i < __num_base::_S_oend; ++__i)
+	_M_data->_M_atoms_out[__i] = __num_base::_S_atoms_out[__i];
       
-      for (size_t i = 0; i < __num_base::_S_iend; ++i)
-	_M_data->_M_atoms_in[i] = __num_base::_S_atoms_in[i];
-      _M_data->_M_atoms_in[__num_base::_S_iend] = char();
+      for (size_t __i = 0; __i < __num_base::_S_iend; ++__i)
+	_M_data->_M_atoms_in[__i] = __num_base::_S_atoms_in[__i];
 
       _M_data->_M_truename = "true";
       _M_data->_M_falsename = "false";      
@@ -84,19 +82,17 @@ namespace std
       
       // Use ctype::widen code without the facet...
       unsigned char uc;
-      for (size_t i = 0; i < __num_base::_S_oend; ++i)
+      for (size_t __i = 0; __i < __num_base::_S_oend; ++__i)
 	{
-	  uc = static_cast<unsigned char>(__num_base::_S_atoms_out[i]);
-	  _M_data->_M_atoms_out[i] = btowc(uc);
+	  uc = static_cast<unsigned char>(__num_base::_S_atoms_out[__i]);
+	  _M_data->_M_atoms_out[__i] = btowc(uc);
 	}
-      _M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
       
-      for (size_t i = 0; i < __num_base::_S_iend; ++i)
+      for (size_t __i = 0; __i < __num_base::_S_iend; ++__i)
 	{
-	  uc = static_cast<unsigned char>(__num_base::_S_atoms_in[i]);
-	  _M_data->_M_atoms_in[i] = btowc(uc);
+	  uc = static_cast<unsigned char>(__num_base::_S_atoms_in[__i]);
+	  _M_data->_M_atoms_in[__i] = btowc(uc);
 	}
-      _M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
       
       _M_data->_M_truename = L"true";
       _M_data->_M_falsename = L"false";
diff --git a/libstdc++-v3/config/locale/gnu/numeric_members.cc b/libstdc++-v3/config/locale/gnu/numeric_members.cc
index d97f0dc6f5000c77d29a2636caf1da71f2bd285d..bc7711a7e55bdcddde1c29cfe0ab1b9ddecdb63a 100644
--- a/libstdc++-v3/config/locale/gnu/numeric_members.cc
+++ b/libstdc++-v3/config/locale/gnu/numeric_members.cc
@@ -1,6 +1,6 @@
 // std::numpunct implementation details, GNU version -*- C++ -*-
 
-// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2003, 2004 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
@@ -54,13 +54,11 @@ namespace std
 	  _M_data->_M_decimal_point = '.';
 	  _M_data->_M_thousands_sep = ',';
 
-	  for (size_t i = 0; i < __num_base::_S_oend; ++i)
-	    _M_data->_M_atoms_out[i] = __num_base::_S_atoms_out[i];
-	  _M_data->_M_atoms_out[__num_base::_S_oend] = char();
+	  for (size_t __i = 0; __i < __num_base::_S_oend; ++__i)
+	    _M_data->_M_atoms_out[__i] = __num_base::_S_atoms_out[__i];
 
-	  for (size_t i = 0; i < __num_base::_S_iend; ++i)
-	    _M_data->_M_atoms_in[i] = __num_base::_S_atoms_in[i];
-	  _M_data->_M_atoms_in[__num_base::_S_iend] = char();
+	  for (size_t __i = 0; __i < __num_base::_S_iend; ++__i)
+	    _M_data->_M_atoms_in[__i] = __num_base::_S_atoms_in[__i];
 	}
       else
 	{
@@ -107,19 +105,17 @@ namespace std
 #endif
 	  // Use ctype::widen code without the facet...
 	  unsigned char uc;
-	  for (size_t i = 0; i < __num_base::_S_oend; ++i)
+	  for (size_t __i = 0; __i < __num_base::_S_oend; ++__i)
 	    {
-	      uc = static_cast<unsigned char>(__num_base::_S_atoms_out[i]);
-	      _M_data->_M_atoms_out[i] = btowc(uc);
+	      uc = static_cast<unsigned char>(__num_base::_S_atoms_out[__i]);
+	      _M_data->_M_atoms_out[__i] = btowc(uc);
 	    }
-	  _M_data->_M_atoms_out[__num_base::_S_oend] = wchar_t();
 
-	  for (size_t i = 0; i < __num_base::_S_iend; ++i)
+	  for (size_t __i = 0; __i < __num_base::_S_iend; ++__i)
 	    {
-	      uc = static_cast<unsigned char>(__num_base::_S_atoms_in[i]);
-	      _M_data->_M_atoms_in[i] = btowc(uc);
+	      uc = static_cast<unsigned char>(__num_base::_S_atoms_in[__i]);
+	      _M_data->_M_atoms_in[__i] = btowc(uc);
 	    }
-	  _M_data->_M_atoms_in[__num_base::_S_iend] = wchar_t();
 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
 	  __uselocale(__old);
 #endif
diff --git a/libstdc++-v3/include/bits/locale_facets.h b/libstdc++-v3/include/bits/locale_facets.h
index 2d3f776b26f1ad469ac90c68423fa0db19acd9ef..bf642780193b9f815f20801f75f504aa9600c2ba 100644
--- a/libstdc++-v3/include/bits/locale_facets.h
+++ b/libstdc++-v3/include/bits/locale_facets.h
@@ -1,6 +1,6 @@
 // Locale support -*- C++ -*-
 
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
 // Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
@@ -1612,13 +1612,13 @@ namespace std
       // "C" locale, this is "-+xX0123456789abcdef0123456789ABCDEF".
       // This array contains the chars after having been passed
       // through the current locale's ctype<_CharT>.widen().
-      _CharT                    	_M_atoms_out[__num_base::_S_oend + 1];
+      _CharT                    	_M_atoms_out[__num_base::_S_oend];
 
       // A list of valid numeric literals for input: in the standard
       // "C" locale, this is "-+xX0123456789abcdefABCDEF"
       // This array contains the chars after having been passed
       // through the current locale's ctype<_CharT>.widen().
-      _CharT                    	_M_atoms_in[__num_base::_S_iend + 1];
+      _CharT                    	_M_atoms_in[__num_base::_S_iend];
 
       bool				_M_allocated;
 
@@ -1668,10 +1668,8 @@ namespace std
       const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
       __ct.widen(__num_base::_S_atoms_out, 
 		 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
-      _M_atoms_out[__num_base::_S_oend] = _CharT();
       __ct.widen(__num_base::_S_atoms_in, 
 		 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
-      _M_atoms_in[__num_base::_S_iend] = _CharT();
     }
 
   template<typename _CharT>