safe_mul_p 1001 ext/date/date_core.c if (safe_mul_p(d, DAY_IN_SECONDS)) safe_mul_p 1017 ext/date/date_core.c if (safe_mul_p(s, SECOND_IN_MILLISECONDS)) safe_mul_p 1025 ext/date/date_core.c if (safe_mul_p(s, SECOND_IN_NANOSECONDS))