patch [ 1300515 ] xdrlib.py: pack_fstring() did not use null bytes for padding

Lib/xdrlib.py

@@ -79,8 +79,8 @@ class Packer:
     def pack_fstring(self, n, s):
         if n < 0:
             raise ValueError, 'fstring size must be nonnegative'
-        n = ((n+3)/4)*4
         data = s[:n]
+        n = ((n+3)/4)*4
         data = data + (n - len(data)) * '\0'
         self.__buf.write(data)
 

Misc/NEWS

@@ -242,6 +242,9 @@ Extension Modules
 Library
 -------
 
+- Patch #1300515: xdrlib.py: Fix pack_fstring() to really use null bytes
+  for padding.
+
 - Bug #1296004: httplib.py: Limit maximal amount of data read from the
   socket to avoid a MemoryError on Windows.