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utilities: Fix coverity issues in blob_db and col_buf_decoder

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Summary:
utilities/blob_db/blob_db_impl.cc
265                    : bdb_options_.blob_dir;
   	3. uninit_member: Non-static class member env_ is not initialized in this constructor nor in any functions that it calls.
   	5. uninit_member: Non-static class member ttl_extractor_ is not initialized in this constructor nor in any functions that it calls.
   	7. uninit_member: Non-static class member open_p1_done_ is not initialized in this constructor nor in any functions that it calls.

CID 1418245 (#1 of 1): Uninitialized pointer field (UNINIT_CTOR)
9. uninit_member: Non-static class member debug_level_ is not initialized in this constructor nor in any functions that it calls.
266}

   	4. past_the_end: Function end creates an iterator.

CID 1418258 (#1 of 1): Using invalid iterator (INVALIDATE_ITERATOR)
5. deref_iterator: Dereferencing iterator file_nums.end() though it is already past the end of its container.

utilities/col_buf_decoder.h:
     nullable_(nullable),
   	2. uninit_member: Non-static class member remain_runs_ is not initialized in this constructor nor in any functions that it calls.
   	4. uninit_member: Non-static class member run_val_ is not initialized in this constructor nor in any functions that it calls.

CID 1396134 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
6. uninit_member: Non-static class member last_val_ is not initialized in this constructor nor in any functions that it calls.
 46        big_endian_(big_endian) {}
Closes https://github.com/facebook/rocksdb/pull/3134

Differential Revision: D6340607

Pulled By: sagar0

fbshipit-source-id: 25c52566e2ff979fe6c7abb0f40c27fc16597054
This commit is contained in:
Prashant D 2017-11-28 12:17:11 -08:00 committed by Facebook Github Bot
parent cf0d6aa007
commit 7b57510a17
2 changed files with 8 additions and 1 deletions
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4
utilities/blob_db/blob_db_impl.cc
View file

@ -159,6 +159,8 @@ BlobDBOptions BlobDBImpl::GetBlobDBOptions() const { return bdb_options_; }
BlobDBImpl::BlobDBImpl(DB* db, const BlobDBOptions& blob_db_options)
: BlobDB(db),
db_impl_(static_cast_with_check<DBImpl, DB>(db)),
env_(nullptr),
ttl_extractor_(nullptr),
bdb_options_(blob_db_options),
db_options_(db->GetOptions()),
env_options_(db_->GetOptions()),
@ -170,6 +172,8 @@ BlobDBImpl::BlobDBImpl(DB* db, const BlobDBOptions& blob_db_options)
current_epoch_(0),
open_file_count_(0),
total_blob_space_(0),
open_p1_done_(false),
debug_level_(0),
oldest_file_evicted_(false) {
if (!bdb_options_.blob_dir.empty())
blob_dir_ = (bdb_options_.path_relative)

5
utilities/col_buf_decoder.h
View file

@ -43,7 +43,10 @@ class FixedLengthColBufDecoder : public ColBufDecoder {
: size_(size),
col_compression_type_(col_compression_type),
nullable_(nullable),
big_endian_(big_endian) {}
big_endian_(big_endian),
remain_runs_(0),
run_val_(0),
last_val_(0) {}
size_t Init(const char* src) override;
size_t Decode(const char* src, char** dest) override;