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Tweak cursor_next C_EOF check

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Allow C_EOF flag to be stale
This commit is contained in:
Howard Chu 2017-01-11 10:33:28 +00:00
parent d84dee516f
commit 511f5880e2
1 changed files with 5 additions and 3 deletions
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8
libraries/liblmdb/mdb.c
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@ -6596,15 +6596,17 @@ mdb_cursor_next(MDB_cursor *mc, MDB_val *key, MDB_val *data, MDB_cursor_op op)
MDB_node *leaf;
int rc;
if ((mc->mc_flags & C_EOF) ||
((mc->mc_flags & C_DEL) && op == MDB_NEXT_DUP)) {
if ((mc->mc_flags & C_DEL && op == MDB_NEXT_DUP))
return MDB_NOTFOUND;
}
if (!(mc->mc_flags & C_INITIALIZED))
return mdb_cursor_first(mc, key, data);
mp = mc->mc_pg[mc->mc_top];
if ((mc->mc_flags & C_EOF) && mc->mc_ki[mc->mc_top] >= NUMKEYS(mp)-1)
return MDB_NOTFOUND;
if (mc->mc_db->md_flags & MDB_DUPSORT) {
leaf = NODEPTR(mp, mc->mc_ki[mc->mc_top]);
if (F_ISSET(leaf->mn_flags, F_DUPDATA)) {