bash-custom-action/bash-3.2-printf.patch

Index: builtins/printf.def
===================================================================
--- builtins/printf.def.orig
+++ builtins/printf.def
@@ -47,6 +47,7 @@ error occurs.
 $END
 
 #include <config.h>
+#include <locale.h>
 
 #include "../bashtypes.h"
 
@@ -529,12 +530,20 @@ printf_builtin (list)
 	    case 'A':
 #endif
 	      {
-		char *f;
+		char *f, *lce = getenv("LC_NUMERIC"), *lcl = setlocale(LC_NUMERIC, NULL);
 		floatmax_t p;
 
 		p = getfloatmax ();
 		f = mklong (start, FLOATMAX_CONV, sizeof(FLOATMAX_CONV) - 1);
+
+		if (lce && lcl)
+		    setlocale(LC_NUMERIC, lce);
+
 		PF (f, p);
+
+		if (lce && lcl)
+		    setlocale(LC_NUMERIC, lcl);
+
 		break;
 	      }