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Avoid copying link-layer header; point instead

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dmiller
2025-04-11 21:45:17 +00:00
parent 67ba648595
commit f4f5cba43d
2 changed files with 2 additions and 3 deletions
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3
tcpip.cc
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@@ -1554,8 +1554,7 @@ const u8 *readip_pcap(pcap_t *pd, unsigned int *len, long to_usec,
if (offset && linknfo) {
linknfo->datalinktype = datalink;
linknfo->headerlen = offset;
assert(offset <= MAX_LINK_HEADERSZ);
memcpy(linknfo->header, p - offset, MIN(sizeof(linknfo->header), offset));
linknfo->header = p;
}
if (rcvdtime)
PacketTrace::trace(PacketTrace::RCVD, (u8 *) p, *len,