From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 10 Dec 2022 17:59:30 +0000 (+0200)
Subject: Fix a length calculation bug in Protocol::dispatch
X-Git-Url: http://git.tdb.fi/?p=libs%2Fnet.git;a=commitdiff_plain;h=667ae5c9d69dcfbd0a82d8abc8a221e25d4d4ca6

Fix a length calculation bug in Protocol::dispatch

The packet header was not being included in the returned length.
---

diff --git a/source/net/protocol.cpp b/source/net/protocol.cpp
index cee1836..95ba175 100644
--- a/source/net/protocol.cpp
+++ b/source/net/protocol.cpp
@@ -56,11 +56,11 @@ const Protocol::PacketDefBase &Protocol::get_packet_by_id(unsigned id) const
 size_t Protocol::dispatch(ReceiverBase &rcv, const char *buf, size_t size) const
 {
 	PacketHeader header;
-	buf = header_def.deserialize(header, buf, buf+size);
+	const char *ptr = header_def.deserialize(header, buf, buf+size);
 	if(header.length>size)
 		throw bad_packet("truncated");
 	const PacketDefBase &pdef = get_packet_by_id(header.type);
-	const char *ptr = pdef.dispatch(rcv, buf, buf+header.length);
+	ptr = pdef.dispatch(rcv, ptr, ptr+header.length);
 	return ptr-buf;
 }