--- gcc-3.4.3/libstdc++-v3/config/locale/generic/c_locale.h	Mon Aug 16 09:03:24 2004
+++ gcc-3.4.3/libstdc++-v3/config/locale/generic/c_locale.h	Mon Jan 30 09:50:48 2012
@@ -59,10 +59,14 @@
 		     const char* __fmt,
 		     _Tv __v, const __c_locale&, int __prec)
     {
-      char* __old = std::setlocale(LC_ALL, NULL);
-      char* __sav = new char[std::strlen(__old) + 1];
+      char* __old = std::setlocale(LC_NUMERIC, NULL);
+      char* __sav = NULL;
+      if (std::strcmp(__old, "C"))
+	{
+	  __sav = new char[std::strlen(__old) + 1];
       std::strcpy(__sav, __old);
-      std::setlocale(LC_ALL, "C");
+	  std::setlocale(LC_NUMERIC, "C");
+	}
 
 #ifdef _GLIBCXX_USE_C99
       const int __ret = std::snprintf(__out, __size, __fmt, __prec, __v);
@@ -69,8 +73,12 @@
 #else
       const int __ret = std::sprintf(__out, __fmt, __prec, __v);
 #endif
-      std::setlocale(LC_ALL, __sav);
+      
+      if (__sav)
+	{
+	  std::setlocale(LC_NUMERIC, __sav);
       delete [] __sav;
+	}
       return __ret;
     }
 }