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Make sure mdb_stat() gets valid data

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This commit is contained in:
Howard Chu 2013-06-08 14:10:08 -07:00
parent e7f6767ea8
commit bcb67dd22f
1 changed files with 6 additions and 0 deletions
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6
libraries/liblmdb/mdb.c
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@ -7325,6 +7325,12 @@ int mdb_stat(MDB_txn *txn, MDB_dbi dbi, MDB_stat *arg)
if (txn == NULL || arg == NULL || dbi >= txn->mt_numdbs)
return EINVAL;
if (txn->mt_dbflags[dbi] & DB_STALE) {
MDB_cursor mc;
MDB_xcursor mx;
/* Stale, must read the DB's root. cursor_init does it for us. */
mdb_cursor_init(&mc, txn, dbi, &mx);
}
return mdb_stat0(txn->mt_env, &txn->mt_dbs[dbi], arg);
}