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Re: [PATCH]: SVNDIFF version 1

From: Daniel Berlin <dberlin_at_dberlin.org>
Date: 2005-10-22 04:14:11 CEST

> After doing some digging around, I did find that IBM does include it in a
> library that is included with their Apache server. I think they use it
> for mod_deflate. I looked at the library and it is only exporting these
> functions:
> deflateInit2_
> deflate
> deflateEnd
> crc32
> inflateInit2_
> inflate
> inflateEnd
> I looked at your patch and it doesn't look like you are using these. I
> saw a "compress".

compress/compress2 is just a wrapper around deflateinit, deflate, and
deflateend (which operate on streams).

> Could you possibly send me a list of the zlib functions you would likely
> use?

we use compress2, compressbound (which is actually just multiplying some
constants times te source length passed in), and uncompress.

We could expand the functions to be in terms of deflate/etc, but that
seems wrong if we can get them to expose it.
> We had some of these same issues with the APR libraries and in the
> past IBM has been cooperative in exposing these functions to us in their
> library and then making an updated version available as a fix. Otherwise,
> they only expose the functions they are using in the Apache server. This
> process can take a while so it helps to be proactive.

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Received on Sat Oct 22 04:14:58 2005

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