BTreeDB - A very fast on-disk database for SHA1-identified objects
Copyright 2011 Janne Kulmala janne.t.kulmala@iki.fi
Program code is licensed with GNU LGPL 2.1. See COPYING.LGPL file.
To create databases larger than 4 GB on 32-bit architectures, you must
enable 64-bit file offsets by compiling with -D_FILE_OFFSET_BITS=64.