Andrew Kryczka 39ef900551 stop calling memcmp with nullptrs ...

Summary:
it doesn't take nullptr according to its declaration in glibc, and calling it in this way causes our sanitizers (ubsan, clang analyze) to fail.
Closes https://github.com/facebook/rocksdb/pull/2776

Differential Revision: D5683260

Pulled By: ajkr

fbshipit-source-id: 114b137ee188172f96eedc43139255cae7bee80a

2017-08-22 16:55:44 -07:00

..

rocksdb

stop calling memcmp with nullptrs

2017-08-22 16:55:44 -07:00