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@ -119,12 +119,12 @@ static inline uint16_t DNS_PACKET_PAYLOAD_SIZE_MAX(DnsPacket *p) {
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/* Returns the advertised maximum size for replies, or the DNS default if there's nothing defined. */
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if (p->ipproto == IPPROTO_TCP) /* we ignore EDNS(0) size data on TCP, like everybody else */
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return DNS_PACKET_SIZE_MAX;
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if (p->opt)
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return MAX(DNS_PACKET_UNICAST_SIZE_MAX, p->opt->key->class);
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if (p->ipproto == IPPROTO_TCP)
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return DNS_PACKET_SIZE_MAX;
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return DNS_PACKET_UNICAST_SIZE_MAX;
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}
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