WTG Paul!
Alex
> Hi all,
>
> I'm pleased to announce ZLib for NewtonOS.
>
> ZLib is a compression/decompression library written by Jean-Loup
> Gailly and Mark Adler. It is now very mature and recognized. The
> compression algorithm it implements is used in zip files (among other
> compression algorithms) and within software such as VNC or SSH.
>
> I have partially ported ZLib 1.1.3 to NewtonOS (1.0 is the version
> number of the port). The ZLib Newton Package includes NewtonScript
> wrappers to basic Inflate/Deflate functions (with calling conventions
> very similar to the ZLib's conventions).
>
> You can find the package for your Newton and the source code as well
> as the documentation and the user license on my website:
> http://www.kallisys.com/newton/zlib/
>
> The ZLib Newton package is like a shared library and it actually uses
> the Units mechanism (provided by NewtonOS 2.x). It doesn't do
> anything once installed without a software using it.
>
> The ZLib Newton package is currently used by two softwares by Steve
> Weyer which he'll release soon (probably today):
>
> VNC client 3.3a6 (I don't need to present this software I guess): If
> you have ZLib installed, the packets sent by the server can be
> compressed. Requires that the server implements it. Note to fellow
> MacOS users: there is no MacOS server doing ZLib compression
> (ChromiVNC offers the option in the prefs but doesn't implement it).
> UnzipBMP: this is a Newtscape plug-in to display BMP images and
> browse zip archives. Don't ask me why both features are together, I
> forgot although it's in the doc, but the thing is that if you have
> the ZLib package installed, you can extract deflate-compressed files
> from the zip files.
>
> Notes concerning the source code of the original ZLib: the changes I
> had to do to be compilable for NewtonOS were basically to declare as
> const every global variable practically used as constants but not
> declared or partially declared as such. As a consequence, the source
> code included in the developer archive may not be compilable for
> other targets.
>
> Paul
> --
> Home page: http://www.kallisys.com/
> Newton-powered WebServer: http://newt.dyndns.org:8080/
>
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