Download patch
ref: a3c38b5631ef172c84cda0190eca3862426a4ca5 parent: e79769fb881f399e171a7d0121a8868576b02d77 author: Licai Guo <guolicai@gmail.com> date: Tue Feb 18 17:55:12 EST 2014
add safety check for bit-reading for headers