t.c

struct rfdtd_error_info
function(T arg1, T arg2) {
    struct rfdtd_error_info error = RFDTD_NO_ERROR;
    
    CHECK(function(arg1, &arg2));
    CHECK(another_function());
    CHECK(one_more_of_them());
    CHECK(rfdtd_new(&ptr));

    ON_ERROR(function)
	goto failure;

    NEW(ptr);
    f(ptr);
    
failure:
    FREE(ptr);
    return error;
}