struct one_sample_test *otp = UP_CAST (test, struct one_sample_test, parent);
struct runs_test *rt = UP_CAST (otp, struct runs_test, parent);
- struct run_state *rs = xcalloc (otp->n_vars, sizeof (*rs));
+ struct run_state *rs = XCALLOC (otp->n_vars, struct run_state);
switch (rt->cp_mode)
{