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db_lmdb: catch error in mdb_stat calls during migration 

Coverity 188305
This commit is contained in:
moneromooo-monero 2018-09-27 15:07:52 +00:00
parent e67016ddb4
commit 53df2deb36
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GPG Key ID: 686F07454D6CEFC3
1 changed files with 12 additions and 4 deletions
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16
src/blockchain_db/lmdb/db_lmdb.cpp
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@ -3579,7 +3579,9 @@ void BlockchainLMDB::migrate_0_1()
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for block_heights: ", result).c_str())); throw0(DB_ERROR(lmdb_error("Failed to open a cursor for block_heights: ", result).c_str()));
if (!i) { if (!i) {
MDB_stat ms; MDB_stat ms;
mdb_stat(txn, m_block_heights, &ms); result = mdb_stat(txn, m_block_heights, &ms);
if (result)
throw0(DB_ERROR(lmdb_error("Failed to query block_heights table: ", result).c_str()));
i = ms.ms_entries; i = ms.ms_entries;
} }
} }
@ -3682,7 +3684,9 @@ void BlockchainLMDB::migrate_0_1()
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for block_timestamps: ", result).c_str())); throw0(DB_ERROR(lmdb_error("Failed to open a cursor for block_timestamps: ", result).c_str()));
if (!i) { if (!i) {
MDB_stat ms; MDB_stat ms;
mdb_stat(txn, m_block_info, &ms); result = mdb_stat(txn, m_block_info, &ms);
if (result)
throw0(DB_ERROR(lmdb_error("Failed to query block_info table: ", result).c_str()));
i = ms.ms_entries; i = ms.ms_entries;
} }
} }
@ -3802,7 +3806,9 @@ void BlockchainLMDB::migrate_0_1()
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for spent_keys: ", result).c_str())); throw0(DB_ERROR(lmdb_error("Failed to open a cursor for spent_keys: ", result).c_str()));
if (!i) { if (!i) {
MDB_stat ms; MDB_stat ms;
mdb_stat(txn, m_hf_versions, &ms); result = mdb_stat(txn, m_hf_versions, &ms);
if (result)
throw0(DB_ERROR(lmdb_error("Failed to query hf_versions table: ", result).c_str()));
i = ms.ms_entries; i = ms.ms_entries;
} }
} }
@ -3957,7 +3963,9 @@ void BlockchainLMDB::migrate_0_1()
throw0(DB_ERROR(lmdb_error("Failed to open a cursor for txs: ", result).c_str())); throw0(DB_ERROR(lmdb_error("Failed to open a cursor for txs: ", result).c_str()));
if (!i) { if (!i) {
MDB_stat ms; MDB_stat ms;
mdb_stat(txn, m_txs, &ms); result = mdb_stat(txn, m_txs, &ms);
if (result)
throw0(DB_ERROR(lmdb_error("Failed to query txs table: ", result).c_str()));
i = ms.ms_entries; i = ms.ms_entries;
if (i) { if (i) {
MDB_val_set(pk, "txblk"); MDB_val_set(pk, "txblk");