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CRC32 derived questions...
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Poul-Henning Kamp
*nix forums Guru


Joined: 21 Mar 2002
Posts: 436

PostPosted: Wed May 29, 2002 6:15 pm    Post subject: CRC32 derived questions... Reply with quote
I noticed that Marcel put a crc32 function in geom_gpt, and wondered if
we didn't have one some other place already.

Sure enough, we did. In if_wi.c. And in libz. And in if_sbni.c (in
assembler even).

Then I tried to put one copy in libkern but ran into conflicts with zlib.h.

And that made me wonder: Why on earth is sys/zlib.h in net/zlib.h ???

--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.

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Peter Wemm
*nix forums Guru Wannabe


Joined: 11 Apr 2002
Posts: 113

PostPosted: Wed May 29, 2002 10:35 pm    Post subject: Re: CRC32 derived questions... Reply with quote
Poul-Henning Kamp wrote:

Quote:
Then I tried to put one copy in libkern but ran into conflicts with zlib.h.

And that made me wonder: Why on earth is sys/zlib.h in net/zlib.h ???

net/zlib.c and net/zlib.h are hacked versions that are part of the
in-kernel pppd. I would be suprised if the more modern versions of zlib
didn't have the extra API's that pppd needs.

We have a decompress-only kern/inflate.c. We could probably gather a
more modern zlib library and replace net/zlib* and kern/inflate.c

Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5


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