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cosmetic

This commit is contained in:
Christian Ulrich 2020-07-18 12:42:49 +02:00
parent 10f9ca135a
commit 974f324aec
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GPG Key ID: 8241BE099775A097
1 changed files with 1 additions and 1 deletions
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ip_packet.nim
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@ -118,7 +118,7 @@ proc tcpChecksum(buffer: string): uint16 =
checksum = checksum + ntohs(tcp[])
tcp = cast[ptr uint16](cast[ByteAddress](tcp) + sizeof(uint16))
tcpLen = tcpLen - sizeof(uint16).uint16
# Add leftover single byte
# Add leftover byte
if tcpLen != 0:
checksum = checksum + cast[ptr uint8](tcp)[]
# Fold 16-bit segments of the 32-bit checksum and add carry bit. Result is the