diff -durN gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/c_locale.cc gcc-4.2.1/libstdc++-v3/config/locale/uclibc/c_locale.cc
--- gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/c_locale.cc	2007-08-03 20:30:53.000000000 +0200
+++ gcc-4.2.1/libstdc++-v3/config/locale/uclibc/c_locale.cc	2007-08-03 20:31:54.000000000 +0200
@@ -46,16 +46,13 @@
     __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err, 
 		   const __c_locale& __cloc)
     {
-      if (!(__err & ios_base::failbit))
-	{
-	  char* __sanity;
-	  errno = 0;
-	  float __f = __strtof_l(__s, &__sanity, __cloc);
-          if (__sanity != __s && errno != ERANGE)
-	    __v = __f;
-	  else
-	    __err |= ios_base::failbit;
-	}
+      char* __sanity;
+      errno = 0;
+      float __f = __strtof_l(__s, &__sanity, __cloc);
+      if (__sanity != __s && errno != ERANGE)
+	__v = __f;
+      else
+	__err |= ios_base::failbit;
     }
 
   template<>
@@ -63,16 +60,13 @@
     __convert_to_v(const char* __s, double& __v, ios_base::iostate& __err, 
 		   const __c_locale& __cloc)
     {
-      if (!(__err & ios_base::failbit))
-	{
-	  char* __sanity;
-	  errno = 0;
-	  double __d = __strtod_l(__s, &__sanity, __cloc);
-          if (__sanity != __s && errno != ERANGE)
-	    __v = __d;
-	  else
-	    __err |= ios_base::failbit;
-	}
+      char* __sanity;
+      errno = 0;
+      double __d = __strtod_l(__s, &__sanity, __cloc);
+      if (__sanity != __s && errno != ERANGE)
+	__v = __d;
+      else
+	__err |= ios_base::failbit;
     }
 
   template<>
@@ -80,16 +74,13 @@
     __convert_to_v(const char* __s, long double& __v, ios_base::iostate& __err,
 		   const __c_locale& __cloc)
     {
-      if (!(__err & ios_base::failbit))
-	{
-	  char* __sanity;
-	  errno = 0;
-	  long double __ld = __strtold_l(__s, &__sanity, __cloc);
-          if (__sanity != __s && errno != ERANGE)
-	    __v = __ld;
-	  else
-	    __err |= ios_base::failbit;
-	}
+      char* __sanity;
+      errno = 0;
+      long double __ld = __strtold_l(__s, &__sanity, __cloc);
+      if (__sanity != __s && errno != ERANGE)
+	__v = __ld;
+      else
+	__err |= ios_base::failbit;
     }
 
   void
@@ -110,7 +101,7 @@
   void
   locale::facet::_S_destroy_c_locale(__c_locale& __cloc)
   {
-    if (_S_get_c_locale() != __cloc)
+    if (__cloc && _S_get_c_locale() != __cloc)
       __freelocale(__cloc); 
   }
 
diff -durN gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/c_locale.h gcc-4.2.1/libstdc++-v3/config/locale/uclibc/c_locale.h
--- gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/c_locale.h	2007-08-03 20:30:53.000000000 +0200
+++ gcc-4.2.1/libstdc++-v3/config/locale/uclibc/c_locale.h	2007-08-03 20:31:54.000000000 +0200
@@ -39,21 +39,23 @@
 #pragma GCC system_header
 
 #include <cstring>              // get std::strlen
-#include <cstdio>               // get std::snprintf or std::sprintf
+#include <cstdio>               // get std::vsnprintf or std::vsprintf
 #include <clocale>
 #include <langinfo.h>		// For codecvt
 #ifdef __UCLIBC_MJN3_ONLY__
 #warning fix this
 #endif
-#ifdef __UCLIBC_HAS_LOCALE__
+#ifdef _GLIBCXX_USE_ICONV
 #include <iconv.h>		// For codecvt using iconv, iconv_t
 #endif
-#ifdef __UCLIBC_HAS_GETTEXT_AWARENESS__
-#include <libintl.h> 		// For messages
+#ifdef HAVE_LIBINTL_H
+#include <libintl.h>		// For messages
 #endif
+#include <cstdarg>
 
 #ifdef __UCLIBC_MJN3_ONLY__
 #warning what is _GLIBCXX_C_LOCALE_GNU for
+// psm: used in os/gnu-linux/ctype_noninline.h
 #endif
 #define _GLIBCXX_C_LOCALE_GNU 1
 
@@ -62,7 +64,7 @@
 #endif
 // #define _GLIBCXX_NUM_CATEGORIES 6
 #define _GLIBCXX_NUM_CATEGORIES 0
- 
+
 #ifdef __UCLIBC_HAS_XLOCALE__
 namespace __gnu_cxx
 {
@@ -79,22 +81,24 @@
   typedef int*			__c_locale;
 #endif
 
-  // Convert numeric value of type _Tv to string and return length of
-  // string.  If snprintf is available use it, otherwise fall back to
-  // the unsafe sprintf which, in general, can be dangerous and should
+  // Convert numeric value of type double to string and return length of
+  // string.  If vsnprintf is available use it, otherwise fall back to
+  // the unsafe vsprintf which, in general, can be dangerous and should
   // be avoided.
-  template<typename _Tv>
-    int
-    __convert_from_v(char* __out, 
-		     const int __size __attribute__ ((__unused__)),
-		     const char* __fmt,
-#ifdef __UCLIBC_HAS_XCLOCALE__
-		     _Tv __v, const __c_locale& __cloc, int __prec)
+    inline int
+    __convert_from_v(const __c_locale&
+#ifndef __UCLIBC_HAS_XCLOCALE__
+					__cloc __attribute__ ((__unused__))
+#endif
+		     ,
+		     char* __out,
+		     const int __size,
+		     const char* __fmt, ...)
     {
+      va_list __args;
+#ifdef __UCLIBC_HAS_XCLOCALE__
       __c_locale __old = __gnu_cxx::__uselocale(__cloc);
 #else
-		     _Tv __v, const __c_locale&, int __prec)
-    {
 # ifdef __UCLIBC_HAS_LOCALE__
       char* __old = std::setlocale(LC_ALL, NULL);
       char* __sav = new char[std::strlen(__old) + 1];
@@ -103,7 +107,9 @@
 # endif
 #endif
 
-      const int __ret = std::snprintf(__out, __size, __fmt, __prec, __v);
+      va_start(__args, __fmt);
+      const int __ret = std::vsnprintf(__out, __size, __fmt, __args);
+      va_end(__args);
 
 #ifdef __UCLIBC_HAS_XCLOCALE__
       __gnu_cxx::__uselocale(__old);
diff -durN gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/ctype_members.cc gcc-4.2.1/libstdc++-v3/config/locale/uclibc/ctype_members.cc
--- gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/ctype_members.cc	2007-08-03 20:30:53.000000000 +0200
+++ gcc-4.2.1/libstdc++-v3/config/locale/uclibc/ctype_members.cc	2007-08-03 20:31:54.000000000 +0200
@@ -33,9 +33,14 @@
 
 // Written by Benjamin Kosnik <bkoz@redhat.com>
 
+#include <features.h>
+#ifdef __UCLIBC_HAS_LOCALE__
 #define _LIBC
 #include <locale>
 #undef _LIBC
+#else
+#include <locale>
+#endif
 #include <bits/c++locale_internal.h>
 
 namespace std
@@ -138,20 +143,34 @@
   ctype<wchar_t>::
   do_is(mask __m, wchar_t __c) const
   { 
-    // Highest bitmask in ctype_base == 10, but extra in "C"
-    // library for blank.
+    // The case of __m == ctype_base::space is particularly important,
+    // due to its use in many istream functions.  Therefore we deal with
+    // it first, exploiting the knowledge that on GNU systems _M_bit[5]
+    // is the mask corresponding to ctype_base::space.  NB: an encoding
+    // change would not affect correctness!
     bool __ret = false;
-    const size_t __bitmasksize = 11; 
-    for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
-      if (__m & _M_bit[__bitcur]
-	  && __iswctype_l(__c, _M_wmask[__bitcur], _M_c_locale_ctype))
-	{
-	  __ret = true;
-	  break;
-	}
+    if (__m == _M_bit[5])
+      __ret = __iswctype_l(__c, _M_wmask[5], _M_c_locale_ctype);
+    else
+      {
+	// Highest bitmask in ctype_base == 10, but extra in "C"
+	// library for blank.
+	const size_t __bitmasksize = 11;
+	for (size_t __bitcur = 0; __bitcur <= __bitmasksize; ++__bitcur)
+	  if (__m & _M_bit[__bitcur])
+	    {
+	      if (__iswctype_l(__c, _M_wmask[__bitcur], _M_c_locale_ctype))
+		{
+		  __ret = true;
+		  break;
+		}
+	      else if (__m == _M_bit[__bitcur])
+		break;
+	    }
+      }
     return __ret;    
   }
-  
+
   const wchar_t* 
   ctype<wchar_t>::
   do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __vec) const
diff -durN gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/messages_members.h gcc-4.2.1/libstdc++-v3/config/locale/uclibc/messages_members.h
--- gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/messages_members.h	2007-08-03 20:30:53.000000000 +0200
+++ gcc-4.2.1/libstdc++-v3/config/locale/uclibc/messages_members.h	2007-08-03 20:31:54.000000000 +0200
@@ -47,18 +47,21 @@
   template<typename _CharT>
      messages<_CharT>::messages(size_t __refs)
      : facet(__refs), _M_c_locale_messages(_S_get_c_locale()), 
-     _M_name_messages(_S_get_c_name())
+       _M_name_messages(_S_get_c_name())
      { }
 
   template<typename _CharT>
      messages<_CharT>::messages(__c_locale __cloc, const char* __s, 
 				size_t __refs) 
-     : facet(__refs), _M_c_locale_messages(_S_clone_c_locale(__cloc)),
-     _M_name_messages(__s)
+     : facet(__refs), _M_c_locale_messages(NULL), _M_name_messages(NULL)
      {
-       char* __tmp = new char[std::strlen(__s) + 1];
-       std::strcpy(__tmp, __s);
+       const size_t __len = std::strlen(__s) + 1;
+       char* __tmp = new char[__len];
+       std::memcpy(__tmp, __s, __len);
        _M_name_messages = __tmp;
+
+       // Last to avoid leaking memory if new throws.
+       _M_c_locale_messages = _S_clone_c_locale(__cloc);
      }
 
   template<typename _CharT>
diff -durN gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/monetary_members.cc gcc-4.2.1/libstdc++-v3/config/locale/uclibc/monetary_members.cc
--- gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/monetary_members.cc	2007-08-03 20:31:24.000000000 +0200
+++ gcc-4.2.1/libstdc++-v3/config/locale/uclibc/monetary_members.cc	2007-08-03 20:31:54.000000000 +0200
@@ -33,9 +33,14 @@
 
 // Written by Benjamin Kosnik <bkoz@redhat.com>
 
+#include <features.h>
+#ifdef __UCLIBC_HAS_LOCALE__
 #define _LIBC
 #include <locale>
 #undef _LIBC
+#else
+#include <locale>
+#endif
 #include <bits/c++locale_internal.h>
 
 #ifdef __UCLIBC_MJN3_ONLY__
@@ -206,7 +211,7 @@
 	  }
 	break;
       default:
-	;
+	__ret = pattern();
       }
     return __ret;
   }
diff -durN gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/numeric_members.cc gcc-4.2.1/libstdc++-v3/config/locale/uclibc/numeric_members.cc
--- gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/numeric_members.cc	2007-08-03 20:31:24.000000000 +0200
+++ gcc-4.2.1/libstdc++-v3/config/locale/uclibc/numeric_members.cc	2007-08-03 20:31:54.000000000 +0200
@@ -33,9 +33,14 @@
 
 // Written by Benjamin Kosnik <bkoz@redhat.com>
 
+#include <features.h>
+#ifdef __UCLIBC_HAS_LOCALE__
 #define _LIBC
 #include <locale>
 #undef _LIBC
+#else
+#include <locale>
+#endif
 #include <bits/c++locale_internal.h>
 
 #ifdef __UCLIBC_MJN3_ONLY__
diff -durN gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/time_members.h gcc-4.2.1/libstdc++-v3/config/locale/uclibc/time_members.h
--- gcc-4.2.1.orig/libstdc++-v3/config/locale/uclibc/time_members.h	2007-08-03 20:30:21.000000000 +0200
+++ gcc-4.2.1/libstdc++-v3/config/locale/uclibc/time_members.h	2007-08-03 20:31:54.000000000 +0200
@@ -37,25 +37,33 @@
   template<typename _CharT>
     __timepunct<_CharT>::__timepunct(size_t __refs) 
     : facet(__refs), _M_data(NULL), _M_c_locale_timepunct(NULL), 
-    _M_name_timepunct(_S_get_c_name())
+      _M_name_timepunct(_S_get_c_name())
     { _M_initialize_timepunct(); }
 
   template<typename _CharT>
     __timepunct<_CharT>::__timepunct(__cache_type* __cache, size_t __refs) 
     : facet(__refs), _M_data(__cache), _M_c_locale_timepunct(NULL), 
-    _M_name_timepunct(_S_get_c_name())
+      _M_name_timepunct(_S_get_c_name())
     { _M_initialize_timepunct(); }
 
   template<typename _CharT>
     __timepunct<_CharT>::__timepunct(__c_locale __cloc, const char* __s,
 				     size_t __refs) 
     : facet(__refs), _M_data(NULL), _M_c_locale_timepunct(NULL), 
-    _M_name_timepunct(__s)
+      _M_name_timepunct(NULL)
     { 
-      char* __tmp = new char[std::strlen(__s) + 1];
-      std::strcpy(__tmp, __s);
+      const size_t __len = std::strlen(__s) + 1;
+      char* __tmp = new char[__len];
+      std::memcpy(__tmp, __s, __len);
       _M_name_timepunct = __tmp;
-      _M_initialize_timepunct(__cloc); 
+
+      try
+	{ _M_initialize_timepunct(__cloc); }
+      catch(...)
+	{
+	  delete [] _M_name_timepunct;
+	  __throw_exception_again;
+	}
     }
 
   template<typename _CharT>