Re: lzlib?

[Rici Lake <lua@...>]

On 14-Mar-05, at 2:06 PM, PA wrote:
> local zlib = require( "zlib" )
> local aCompressedContent = zlib.compress( aContent )
>
> http://dev.alt.textdrive.com/file/LW/LWResponse.lua
>
> However, when a browser tries to decode such response, I get the 
> following exception:
>
> "gzip stream does not have a gzip header"
>
> What am I doing wrong? Do I need to provide additional parameters to 
> zlib.compress()?

You need to format the stream by sending a gzip header prior to the 
compressed content. (You will also need to provide a trailer containing 
a CRC.) It's annoying, isn't it? And really badly documented. Most of 
the implementations I've seen are cargo culted from other 
implementations.

You might find this page a useful place to start. It's not the best, 
but I only googled for three minutes: 
http://www.cherrypy.org/wiki/NotesOnTicket59