=== modified file 'grub-core/kern/misc.c'
--- grub-core/kern/misc.c	2011-04-18 21:03:52 +0000
+++ grub-core/kern/misc.c	2011-04-22 07:13:52 +0000
@@ -726,45 +726,70 @@
 	  int longlongfmt = 0;
 	  int unsig = 0;
 
-	  if (*fmt && *fmt =='-')
-	    {
-	      rightfill = 1;
-	      fmt++;
-	    }
-
-	  p = (char *) fmt;
-	  /* Read formatting parameters.  */
-	  while (*p && grub_isdigit (*p))
-	    p++;
-
-	  if (p > fmt)
-	    {
-	      char s[p - fmt + 1];
-	      grub_strncpy (s, fmt, p - fmt);
-	      s[p - fmt] = 0;
-	      if (s[0] == '0')
-		zerofill = '0';
-	      format1 = grub_strtoul (s, 0, 10);
-	      fmt = p;
-	    }
-
-	  if (*p && *p == '.')
-	    {
-	      p++;
-	      fmt++;
+	  if (*fmt && *fmt == '*')
+	    {
+	      fmt++;
+	      n = va_arg (args, int);
+	      if (n < 0)
+		{
+		  rightfill = 1;
+		  n = -n;
+		}
+	      format1 = n;
+	    }
+	  else
+	    {
+	      if (*fmt && *fmt =='-')
+		{
+		  rightfill = 1;
+		  fmt++;
+		}
+
+	      p = (char *) fmt;
+	      /* Read formatting parameters.  */
 	      while (*p && grub_isdigit (*p))
 		p++;
 
 	      if (p > fmt)
 		{
-		  char fstr[p - fmt + 1];
-		  grub_strncpy (fstr, fmt, p - fmt);
-		  fstr[p - fmt] = 0;
-		  format2 = grub_strtoul (fstr, 0, 10);
+		  char s[p - fmt + 1];
+		  grub_strncpy (s, fmt, p - fmt);
+		  s[p - fmt] = 0;
+		  if (s[0] == '0')
+		    zerofill = '0';
+		  format1 = grub_strtoul (s, 0, 10);
 		  fmt = p;
 		}
 	    }
 
+	  if (*fmt && *fmt == '.')
+	    {
+	      fmt++;
+	      if (*fmt && *fmt == '*')
+		{
+                  fmt++;
+		  n = va_arg (args, int);
+		  if (n < 0)
+		    n = 0;
+		  format2 = n;
+		}
+	      else
+		{
+		  p = (char *) fmt;
+		  while (*p && grub_isdigit (*p))
+		    p++;
+
+		  if (p > fmt)
+		    {
+		      char fstr[p - fmt + 1];
+		      grub_strncpy (fstr, fmt, p - fmt);
+		      fstr[p - fmt] = 0;
+		      format2 = grub_strtoul (fstr, 0, 10);
+		      fmt = p;
+		    }
+		}
+	    }
+
 	  c = *fmt++;
 	  if (c == 'l')
 	    {