#define y(x, ...) yajl_gen_ ## x (gen, ##__VA_ARGS__)
#define ystr(str) yajl_gen_string(gen, (unsigned char*)str, strlen(str))
-char *store_restart_layout() {
+char *store_restart_layout(void) {
setlocale(LC_NUMERIC, "C");
#if YAJL_MAJOR >= 2
yajl_gen gen = yajl_gen_alloc(NULL);