From 19a6eee0446df8a2c2c548e6d5abe0a956a0ae73 Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Sun, 25 Sep 2016 01:43:02 +0200
Subject: [PATCH] Network/TcpClient: Fix error when receiving an empty packet

Former-commit-id: 653a77b0b059968600777e89c02144d8a3e55cf3 [formerly 338bed3ccd44ad4a683e90cd1b99598660c47048] [formerly 8136c65b123704f0243edd20558ea19d636d2127 [formerly 4c158ec5ee63b97c1d9a828f4088a2f1908f3a32]]
Former-commit-id: b8491dc53c5792acadb2f9f6479e9aaec472ae05 [formerly 79127a86db6256fc749591c59663fbe7cbaddc37]
Former-commit-id: 2621271910cefb53cfd612cd8246af2e10ef4bd8
---
 src/Nazara/Network/TcpClient.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/Nazara/Network/TcpClient.cpp b/src/Nazara/Network/TcpClient.cpp
index cf123ff89..8cdeafc69 100644
--- a/src/Nazara/Network/TcpClient.cpp
+++ b/src/Nazara/Network/TcpClient.cpp
@@ -262,6 +262,17 @@ namespace Nz
 		if (m_pendingPacket.headerReceived)
 		{
 			UInt16 packetSize = static_cast<UInt16>(m_pendingPacket.data.GetSize()); //< Total packet size
+			if (packetSize == 0)
+			{
+				// Special case: our packet carry no data
+				packet->Reset(packetSize);
+
+				// And reset every state
+				m_pendingPacket.data.Clear();
+				m_pendingPacket.headerReceived = false;
+				m_pendingPacket.received = 0;
+				return true;
+			}
 
 			std::size_t received;
 			if (!Receive(&m_pendingPacket.data[m_pendingPacket.received], packetSize - m_pendingPacket.received, &received))