Function rt_ofw_find_node_by_path

components/drivers/ofw/base.c:604–656

}

struct rt_ofw_node *rt_ofw_find_node_by_path(const char *path)
{
    struct rt_ofw_node *np = RT_NULL, *parent, *tmp = RT_NULL;

    if (path)
    {
        if (!rt_strcmp(path, "/"))
        {
            np = ofw_node_root;
        }
        else
        {
            ++path;
            parent = rt_ofw_node_get(ofw_node_root);

            while (*path)
            {
                const char *next = strchrnul(path, '/');
                rt_size_t len = next - path;

                tmp = RT_NULL;

                rt_ofw_foreach_child_node(parent, np)
                {
                    if (!rt_strncmp(np->full_name, path, len))
                    {
                        rt_ofw_node_put(parent);

                        parent = np;
                        tmp = np;

                        break;
                    }
                }

                if (!tmp)
                {
                    rt_ofw_node_put(parent);

                    break;
                }

                path += len + !!*next;
            }

            np = tmp;
        }

        rt_ofw_node_get(np);
    }

    return np;
}

struct rt_ofw_node *rt_ofw_find_node_by_phandle(rt_phandle phandle)
{