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4 commits

Author SHA1 Message Date
Lasse Collin
94aa3fb568 liblzma: memcmplen: Use ctz32() from tuklib_integer.h. 
The same compiler-specific #ifdefs are already in tuklib_integer.h
 2019-12-31 22:19:18 +02:00
Lasse Collin
efbf6e5f09 liblzma: Use unaligned_readXXne functions instead of type punning. 
Now gcc -fsanitize=undefined should be clean.

Thanks to Jeffrey Walton.
 2019-12-31 22:19:18 +02:00
Lasse Collin
c45757135f liblzma: Set LZMA_MEMCMPLEN_EXTRA depending on the compare method. 2015-01-26 21:24:39 +02:00
Lasse Collin
e1c8f1d01f liblzma: Add lzma_memcmplen() for fast memory comparison. 
This commit just adds the function. Its uses will be in
separate commits.

This hasn't been tested much yet and it's perhaps a bit early
to commit it but if there are bugs they should get found quite
quickly.

Thanks to Jun I Jin from Intel for help and for pointing out
that string comparison needs to be optimized in liblzma.
 2014-07-25 20:57:20 +03:00