Commit Graph

13 Commits

Author SHA1 Message Date
Roy Oursler
53b92e83f4 igzip: Avoid UB pointer arithmetic underflow for virtual file start
Change-Id: I95c0e6f004eaf70227a6419fc14bf0958d1f4538
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2019-03-07 09:27:50 -07:00
Roy Oursler
5be1ba2215 igzip: Remove undefined unaligned loads
Change-Id: I02591d958f8691d07b261218cf5ab361e8ad36c9
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2019-03-07 09:27:50 -07:00
Roy Oursler
03bef684a4 igzip: Setup for variable hash mask
Change-Id: I3be94dbc40c2e02dcff4f89e5a9df8ed1f744f02
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
6317ce2b78 igzip: Setup for variable lookback distance
Change-Id: Idd52c9392113dfc54feea3c66916a7f5aa128bef
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
9203f96c2a igzip: Change inputs to deflate_hash functions
Change-Id: I9ffff9aee82d5d1ece51853b4709f13ccd80c8ad
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
4ae2d1be29 igzip: Implement optimized level 2 compression
Change-Id: I8cf5bcd56f290d17205ac36dc2828c8acfc66947
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
59b9990a39 igzip: Remove file_start from zstate
Change-Id: Ia4cb6dc86da54cc771f25a6d958bea730caa4801
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
ed15402f5b igzip: Add stateful dictionary support
Change-Id: I75dbac947787bc0041674468c88d0aa41b8b082f
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-06-26 04:11:48 -04:00
Roy Oursler
13692d61a3 igzip: Fix bug when 0 length buffer is passed
Avoid unsigned addition overflow when avail_in = 0 and next_in = -1 causing a
comparison to be correct when it should not be.

Change-Id: I3ff7123a89867317f383931cc95c8738ba2f8d56
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 17:17:04 -07:00
Roy Oursler
f2c35a9fd4 igzip: Fix underflow bugs whe null pointer is passed in igzip base functions
Change-Id: Ia24326dcde6f8be9ee019690b8206d2779ddebb2
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 16:54:35 -07:00
Roy Oursler
d941b66162 igzip: Improve igzip stateful on large buffers
Change-Id: I3e9e56958e8ea3e636df3369b29c3d4b94dce9d8
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2016-12-06 10:59:52 -07:00
Roy Oursler
88f95d8594 igzip: Merge inflate.h and igzip_lib.h and fix external naming
Merge inflate.h and igzip_lib.h and rename many defines to avoid conflicts,
along with general cleanup of the new header.

Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-05 16:40:43 -07:00
Greg Tucker
660f49b02d Add data compression unit
Include fast DEFLATE compatable compression functions.

Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2016-06-10 17:03:38 -07:00