get node children and refs in the same function

[protos/libecoli.git] / lib / ecoli_node_or.c

diff --git a/lib/ecoli_node_or.c b/lib/ecoli_node_or.c
index b36cbd7..aeac206 100644 (file)
--- a/lib/ecoli_node_or.c
+++ b/lib/ecoli_node_or.c
@@ -82,15 +82,18 @@ ec_node_or_get_children_count(const struct ec_node *gen_node)
        return node->len;
 }
 
-static struct ec_node *
-ec_node_or_get_child(const struct ec_node *gen_node, size_t i)
+static int
+ec_node_or_get_child(const struct ec_node *gen_node, size_t i,
+               struct ec_node **child, unsigned int *refs)
 {
        struct ec_node_or *node = (struct ec_node_or *)gen_node;
 
        if (i >= node->len)
-               return NULL;
+               return -1;
 
-       return node->table[i];
+       *child = node->table[i];
+       *refs = 1;
+       return 0;
 }
 
 static struct ec_node_type ec_node_or_type = {