lib/stringio.rb in rubysl-stringio-2.2 vs lib/stringio.rb in rubysl-stringio-2.3

@@ -694,20 +694,21 @@
     return nil if eof?
 
     d = @__data__
     pos = d.pos
     string = d.string
+    m = Rubinius::Mirror.reflect string
 
     if sep.nil?
       if limit
         line = string.byteslice(pos, limit)
       else
         line = string.byteslice(pos, string.bytesize - pos)
       end
       d.pos += line.bytesize
     elsif sep.empty?
-      if stop = string.find_string("\n\n", pos)
+      if stop = m.find_string("\n\n", pos)
         stop += 2
         line = string.byteslice(pos, stop - pos)
         while string.getbyte(stop) == 10
           stop += 1
         end
@@ -715,10 +716,10 @@
       else
         line = string.byteslice(pos, string.bytesize - pos)
         d.pos = string.bytesize
       end
     else
-      if stop = string.find_string(sep, pos)
+      if stop = m.find_string(sep, pos)
         if limit && stop - pos >= limit
           stop = pos + limit
         else
           stop += sep.bytesize
         end