Commit Graph

2 Commits

Author SHA1 Message Date
Willy Tarreau 9e274280a4 IMPORT: slz: do not produce the crc32_fast table when CRC is natively supported
On ARM with native CRC support, no need to inflate the executable with
a 4kB CRC table, let's just drop it.

This is slz upstream commit d8715db20b2968d1f3012a734021c0978758f911.
2021-05-12 09:29:33 +02:00
Willy Tarreau ab2b7828e2 IMPORT: slz: import slz into the tree
SLZ is rarely packaged by distros and there have been complaints about
the CPU and memory usage of ZLIB, leading to some suggestions to better
address the issue by simply integrating SLZ into the tree (just 3 files).
See discussions below:

   https://www.mail-archive.com/haproxy@formilux.org/msg38037.html
   https://www.mail-archive.com/haproxy@formilux.org/msg40079.html
   https://www.mail-archive.com/haproxy@formilux.org/msg40365.html

This patch does just this, after minor adjustments to these files:
  - tables.h was renamed to slz-tables.h
  - tables.h had the precomputed tables removed since not used here
  - slz.c uses includes <import/slz*> instead of "slz*.h"

The slz commit imported here was b06c172 ("slz: avoid a build warning
with -Wimplicit-fallthrough"). No other change was performed either to
SLZ nor to haproxy at this point so that this operation may be replicated
if needed for a future version.
2021-04-22 15:50:41 +02:00