GREGOR_SDN_OFFSET 151 calendar/gregor.c sdn > (LONG_MAX - 4 * GREGOR_SDN_OFFSET) / 4) { GREGOR_SDN_OFFSET 154 calendar/gregor.c temp = (sdn + GREGOR_SDN_OFFSET) * 4 - 1; GREGOR_SDN_OFFSET 235 calendar/gregor.c - GREGOR_SDN_OFFSET);