From 082bac1492c1aec8ac0fbe8cc10ac3f46424b836 Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Thu, 24 Jul 2014 04:13:55 -0700 Subject: [PATCH] more for mdb_cursor_count return MDB_NOTFOUND if the cursor is empty --- libraries/liblmdb/mdb.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c index 3e62b2e28f..84477c4285 100644 --- a/libraries/liblmdb/mdb.c +++ b/libraries/liblmdb/mdb.c @@ -6962,6 +6962,9 @@ mdb_cursor_count(MDB_cursor *mc, size_t *countp) if (!(mc->mc_flags & C_INITIALIZED)) return EINVAL; + if (!mc->mc_snum || (mc->mc_flags & C_EOF)) + return MDB_NOTFOUND; + leaf = NODEPTR(mc->mc_pg[mc->mc_top], mc->mc_ki[mc->mc_top]); if (!F_ISSET(leaf->mn_flags, F_DUPDATA)) { *countp = 1; -- 2.39.5