levelDB-LAB1-pzy_ckx

小组成员：曹可心-10223903406 朴祉燕-10224602413

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Hans Wennborg 213a68eb68 Sync with upstream @23860137 . Fix GCC -Wshadow warnings in LevelDB's public header files, reported by Dustin. Add in-memory Env implementation (helpers/memenv/). This enables users to create LevelDB databases in-memory. Initialize ShardedLRUCache::last_id_ to zero. This fixes a Valgrind warning. (Also delete port/sha1_ which were removed upstream some time ago.)		vor 13 Jahren
..
arena.cc	@20776309	vor 13 Jahren
arena.h	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
arena_test.cc	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
cache.cc	Sync with upstream @23860137.	vor 13 Jahren
cache_test.cc	Bugfix for issue 33; reduce lock contention in Get(), parallel benchmarks.	vor 13 Jahren
coding.cc	@20776309	vor 13 Jahren
coding.h	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
coding_test.cc	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
comparator.cc	Sun Studio support, and fix for test related memory fixes.	vor 13 Jahren
crc32c.cc	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
crc32c.h	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
crc32c_test.cc	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
env.cc	Speed up Snappy uncompression, new Logger interface.	vor 13 Jahren
env_posix.cc	Speed up Snappy uncompression, new Logger interface.	vor 13 Jahren
env_test.cc	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
hash.cc	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
hash.h	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
histogram.cc	Bugfix for issue 33; reduce lock contention in Get(), parallel benchmarks.	vor 13 Jahren
histogram.h	Bugfix for issue 33; reduce lock contention in Get(), parallel benchmarks.	vor 13 Jahren
logging.cc	@20776309	vor 13 Jahren
logging.h	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
mutexlock.h	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
options.cc	@20776309	vor 13 Jahren
posix_logger.h	Speed up Snappy uncompression, new Logger interface.	vor 13 Jahren
random.h	@20776309	vor 13 Jahren
status.cc	sync with upstream @ 21409451	vor 13 Jahren
testharness.cc	Bugfixes for iterator and documentation.	vor 13 Jahren
testharness.h	Bugfixes for iterator and documentation.	vor 13 Jahren
testutil.cc	reverting disastrous MOE commit, returning to r21	vor 13 Jahren
testutil.h	reverting disastrous MOE commit, returning to r21	vor 13 Jahren