From: sapier <Sapier at GMX dot net>
Date: Sun, 4 May 2014 00:43:01 +0000 (+0200)
Subject: Fix numeric underflow on calculating window size adjustment
X-Git-Url: http://81.2.79.47:8989/gitweb/?a=commitdiff_plain;h=09e8bbea03c72cfc21560f953561183b9d29be6a;p=zefram%2Fminetest%2Fminetest_engine.git

Fix numeric underflow on calculating window size adjustment
---

diff --git a/src/connection.cpp b/src/connection.cpp
index e6b76320..341333db 100644
--- a/src/connection.cpp
+++ b/src/connection.cpp
@@ -716,7 +716,7 @@ void Channel::UpdateTimers(float dtime,bool legacy_peer)
 			packet_too_late = current_packet_too_late;
 			packets_successfull = current_packet_successfull;
 
-			if (current_bytes_transfered > (window_size*512/2))
+			if (current_bytes_transfered > (unsigned int) (window_size*512/2))
 			{
 				reasonable_amount_of_data_transmitted = true;
 			}
diff --git a/src/connection.h b/src/connection.h
index 90344da3..338ee964 100644
--- a/src/connection.h
+++ b/src/connection.h
@@ -546,7 +546,7 @@ public:
 	void setWindowSize(unsigned int size) { window_size = size; };
 private:
 	JMutex m_internal_mutex;
-	unsigned int window_size;
+	int window_size;
 
 	u16 next_incoming_seqnum;