re PR fortran/32446 (F0.n output format fails with large numbers)

2007-06-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/32446
	* io/write.c (output_float): Calculate ndigits correctly for large
	numbered formats that must pad zeros before the decimal point.

From-SVN: r125985

libgfortran/ChangeLog

+2007-06-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libgfortran/32446
+	* io/write.c (output_float): Calculate ndigits correctly for large
+	numbered formats that must pad zeros before the decimal point.
+
 2007-06-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	PR libfortran/32345

libgfortran/io/write.c

@@ -810,16 +810,21 @@ output_float (st_parameter_dt *dtp, const fnode *f, GFC_REAL_LARGEST value)
   if (nbefore > 0)
     {
       if (nbefore > ndigits)
+	{
 	  i = ndigits;
-      else
-	i = nbefore;
-
 	  memcpy (out, digits, i);
+	  ndigits = 0;
 	  while (i < nbefore)
 	    out[i++] = '0';
+	}
+      else
+	{
+	  i = nbefore;
+	  memcpy (out, digits, i);
+	  ndigits -= i;
+	}
 
       digits += i;
-      ndigits -= i;
       out += nbefore;
     }
   /* Output the decimal point.  */