From: "NAKAMURA, Hiroshi" Date: 2010-01-19T10:22:25+09:00 Subject: [ruby-core:27614] Re: [Bug #2595] Add crc32_combine and adler32_combine to zlib API Hi Aaron, I'm just working zlib for JRuby now. Just out of curiosity, what are you using crc32_combine and adler32_combile for? // NaHi