On Sat, Apr 24, 1999 at 03:35:30PM +0300, Heikki Hannikainen wrote:
> On Fri, 23 Apr 1999, Benedict P. Barszcz wrote:
>
> > Long ago there was a suggestion here on the list to include lzw
> > compression in the ax25-utils as a library liblzw. This would
> > facilitate importing it into other programs. There already exists a
> > library libz that some programs use (IRC) and sources zlib-1.1.2
> > include an example.c how to use it with its own RFC 1950 - 1952.
>
> > If someone could do that one wouldn't have to redo the stuff all over
> > again for things like TPP,POP,SMTP.
> >
> > Or perhaps someone has already done that:-)?
>
> Why liblzw, why not use libz as it is?
>
> Which, btw, is already happening, the forthcoming ax25 library set will
> include Tomi's socket IO library extension with zlib support. Things like
> node will support it out of the box. Stay tuned...
>
> LZW has patent restrictions, and zlib's LZ77 is generally better
> anyway. Beats bare huffman coding as well.
One argument for LZW would be compatibility with xNOS implementations
which use SM0RGV's lzw.c code.
Bob
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