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* zlib: Drop 1.2.12Chris Packham2023-10-044-73/+0
| | | | | | Drop zlib 1.2.12 which was marked obsolete in the last release. Signed-off-by: Chris Packham <judge.packham@gmail.com>
* zlib: Update to zlib-1.2.13Chris Packham2022-10-171-0/+1
| | | | | | | | | | | | | | | | | | Brings in the following changes - Fix a bug when getting a gzip header extra field with inflateGetHeader(). This remedies CVE-2022-37434. - Fix a bug in block type selection when Z_FIXED used. Now the smallest block type is selected, for better compression. - Fix a configure issue that discarded the provided CC definition. - Correct incorrect inputs provided to the CRC functions. This mitigates a bug in Java. - Repair prototypes and exporting of the new CRC functions. - Fix inflateBack to detect invalid input with distances too far. Mark zlib-1.2.12 as obsolete. Signed-off-by: Chris Packham <judge.packham@gmail.com>
* zlib: Update to zlib-1.2.12Chris Packham2022-04-224-0/+72
Bring in the following changes - Fix a deflate bug when using the Z_FIXED strategy that can result in out-of-bound accesses. - Fix a deflate bug when the window is full in deflate_stored(). - Speed up CRC-32 computations by a factor of 1.5 to 3. - Use the hardware CRC-32 instruction on ARMv8 processors. - Speed up crc32_combine() with powers of x tables. - Add crc32_combine_gen() and crc32_combine_op() for fast combines. Drop two patches that have been applied upstream and regenerate the remaining two. Fixes #1708 Signed-off-by: Chris Packham <judge.packham@gmail.com>