diff --git a/src/utils_avltree.c b/src/utils_avltree.c
index 9f0b7968916863f1d42abfca8bc594afdeacea2a..3e258e95d8c6834271823cab5aa5cddfc3a4845a 100644 (file)
--- a/src/utils_avltree.c
+++ b/src/utils_avltree.c
{
c_avl_node_t *n;
+ assert (t != NULL);
+
n = search (t, key);
if (n == NULL)
return (-1);