[Zlib-devel] pigz 1.5 available for testing

glennrp at comcast.net glennrp at comcast.net
Mon Mar 26 12:45:16 EDT 2007


 -------------- Original message ----------------------
From: Mark Adler <madler at alumni.caltech.edu>
> On Mar 26, 2007, at 8:25 AM, glennrp at comcast.net wrote:
> > I'd like an option to write a naked "zlib" datastream if "-nT"  
> > doesn't already do that.
> 
> No, -nT doesn't do that.  -nT writes a gzip header and trailer, but  
> the mod time is zero and there is no file name stored.
> 
> By "naked zlib datastream", do you mean deflate data with a zlib  
> header and trailer, or a naked deflate stream?

Preferably with the zlib header.  I patched gzip about 10 years ago
to do that, before zlib was released, for making PNG files.  My patch
is long since lost, since it was really a stop-gap thing.  But now,
such a feature would be helpful in testing APNG and mPNG concepts.

Glenn




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