lib/rmega/utils.rb in rmega-0.1.2 vs lib/rmega/utils.rb in rmega-0.1.3

@@ -1,12 +1,12 @@
 module Rmega
   module Utils
     extend self
 
     def str_to_a32(string)
-      pad_to = string.bytesize + ((string.bytesize) % 4)
-      string = string.ljust pad_to, "\x00"
-      string.unpack 'l>*'
+      size = (string.bytesize + 3) >> 2
+      string = string.ljust (string.bytesize + 3), "\x00"
+      string.unpack "l>#{size}"
     end
 
     def a32_to_str(a32, len = nil)
       if len
         b = []