};
typedef struct fc_directory_conf_s fc_directory_conf_t;
-static fc_directory_conf_t **directories = NULL;
+static fc_directory_conf_t **directories;
static size_t directories_num = 0;
-void fc_free_dir(fc_directory_conf_t *dir) {
+static void fc_free_dir(fc_directory_conf_t *dir) {
sfree(dir->path);
sfree(dir->plugin_name);
sfree(dir->instance);