void
dns_rdataset_trimttl(dns_rdataset_t *rdataset, dns_rdataset_t *sigrdataset,
dns_rdata_rrsig_t *rrsig, isc_stdtime_t now,
isc_boolean_t acceptexpired)
{
isc_uint32_t ttl = 0;
REQUIRE(DNS_RDATASET_VALID(rdataset));
REQUIRE(DNS_RDATASET_VALID(sigrdataset));
REQUIRE(rrsig != NULL);
/*
* If we accept expired RRsets keep them for no more than 120 seconds.
*/
if (acceptexpired &&
(isc_serial_le(rrsig->timeexpire, ((now + 120) & 0xffffffff)) ||
isc_serial_le(rrsig->timeexpire, now)))
ttl = 120;
else if (isc_serial_ge(rrsig->timeexpire, now))
ttl = rrsig->timeexpire - now;
ttl = ISC_MIN(ISC_MIN(rdataset->ttl, sigrdataset->ttl),
ISC_MIN(rrsig->originalttl, ttl));
rdataset->ttl = ttl;
sigrdataset->ttl = ttl;
}
int main ()
{
isc_uint32_t a, b;
char buf[1024];
char *s, *e;
while (fgets (buf, sizeof (buf), stdin) != NULL)
{
buf[sizeof (buf) - 1] = '\0';
s = buf;
a = strtoul (s, &e, 0);
if (s == e)
continue;
s = e;
b = strtoul (s, &e, 0);
if (s == e)
continue;
fprintf (stdout, "%u %u gt:%d lt:%d ge:%d le:%d eq:%d ne:%d\n",
a, b,
isc_serial_gt (a, b), isc_serial_lt (a, b),
isc_serial_ge (a, b), isc_serial_le (a, b), isc_serial_eq (a, b), isc_serial_ne (a, b));
}
return (0);
}
