Messages in this thread | | | Date | Sat, 2 Apr 2005 01:23:25 +1000 | Subject | Re: [RFC] CryptoAPI & Compression | From | Herbert Xu <> |
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On Fri, Apr 01, 2005 at 03:36:23PM +0100, Artem B. Bityuckiy wrote: > > In our code we do zlib_deflate(stream, Z_SYNC_FLUSH), so we always flush > the output. So the final zlib_deflate(stream, Z_FINISH) requires 1 byte > for the EOB marker and 4 bytes for adler32 (5 bytes total). Thats all. If > we compress a huge buffer, then we still need to output those 5 bytes as > well. I.e, the overhead of each block *is not accumulated* ! I even need > to make the reserved space less then 12 bytes!
I thought stored blocks (incompressible blocks) were limited to 64K in size, no? Please double check zlib_deflate/deflate.c and zlib_deflate/deftree.c.
Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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