ref: 782a4f3fece388a3b5e541f4b1b11f86f69d5921
parent: a31934f233581da07153af6b4ee717f1e63387dd
author: Simon Tatham <anakin@pobox.com>
date: Sun Jul 17 08:12:16 EDT 2005
Get rid of the malloc in shuffle(), by defining a subfunction memswap() which declares a fixed-size buffer on the stack and uses it multiple times if necessary. [originally from svn r6107]