From 5d46c40d53c7fb6aae658e08c8e8015e2be72a40 Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Sat, 2 Aug 2014 12:35:12 +0200
Subject: [PATCH] data: Let sdb_data_expr_eval() check it's arguments.

---
 src/core/data.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/data.c b/src/core/data.c
index fc646f0..0f10538 100644
--- a/src/core/data.c
+++ b/src/core/data.c
@@ -208,6 +208,8 @@ int
 sdb_data_expr_eval(int op, const sdb_data_t *d1, const sdb_data_t *d2,
 		sdb_data_t *res)
 {
+	if ((! d1) || (! d2) || (! res))
+		return -1;
 	switch (op) {
 		case SDB_DATA_CONCAT:
 			return data_concat(d1, d2, res);
-- 
2.30.2