allow to overwrite the configured udev_root by exporting UDEV_ROOT

diff --git a/udev_config.c b/udev_config.c
index 7037a1708169a2135931cf9fde890f841e9f5b12..c1af7c12ca8149c11e9981c79d19915d8e9e6d72 100644 (file)
--- a/udev_config.c
+++ b/udev_config.c
@@ -192,6 +192,12 @@ void udev_init_config(void)
 
        parse_config_file();
 
+       env = getenv("UDEV_ROOT");
+       if (env) {
+               strlcpy(udev_root, env, sizeof(udev_root));
+               remove_trailing_chars(udev_root, '/');
+       }
+
        env = getenv("UDEV_LOG");
        if (env)
                udev_log_priority = log_priority(env);