static struct interval_node *interval_next(struct interval_node *node)
{
if (!node)
return NULL;
if (node->in_right)
return interval_first(node->in_right);
while (node->in_parent && node_is_right_child(node))
node = node->in_parent;
return node->in_parent;
}
static struct interval_node *interval_next(struct interval_node *node)
{
ENTRY;
if (!node)
RETURN(NULL);
if (node->in_right)
RETURN(interval_first(node->in_right));
while (node->in_parent && node_is_right_child(node))
node = node->in_parent;
RETURN(node->in_parent);
}
