X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Fecoli_node_expr.c;h=3b47d8c17a917bf2ee755a7891ceb0c33d53629e;hb=15718f19cbf3868bf6fba79f4e26b5254c57873e;hp=eb7bff30651cd22b3912c0b31e26a425d283e05f;hpb=7c07e2a8b3b5851de0c238da830291f041185778;p=protos%2Flibecoli.git

diff --git a/lib/ecoli_node_expr.c b/lib/ecoli_node_expr.c
index eb7bff3..3b47d8c 100644
--- a/lib/ecoli_node_expr.c
+++ b/lib/ecoli_node_expr.c
@@ -237,15 +237,18 @@ ec_node_expr_get_children_count(const struct ec_node *gen_node)
 	return 0;
 }
 
-static struct ec_node *
-ec_node_expr_get_child(const struct ec_node *gen_node, size_t i)
+static int
+ec_node_expr_get_child(const struct ec_node *gen_node, size_t i,
+		struct ec_node **child, unsigned int *refs)
 {
 	struct ec_node_expr *node = (struct ec_node_expr *)gen_node;
 
 	if (i >= 1)
-		return NULL;
+		return -1;
 
-	return node->child;
+	*child = node->child;
+	*refs = 1;
+	return 0;
 }
 
 static struct ec_node_type ec_node_expr_type = {