From c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c Mon Sep 17 00:00:00 2001
From: Christian Beier <dontmind@freeshell.org>
Date: Sat, 29 Sep 2018 21:32:59 +0200
Subject: [PATCH] LibVNCClient: fix possible infinite loop

Closes #251
---
 libvncclient/rfbproto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libvncclient/rfbproto.c b/libvncclient/rfbproto.c
index 808ad4d..8d6a4c1 100644
--- a/libvncclient/rfbproto.c
+++ b/libvncclient/rfbproto.c
@@ -1879,7 +1879,7 @@ HandleRFBServerMessage(rfbClient* client)
 	/* Regardless of cause, do not divide by zero. */
 	linesToRead = bytesPerLine ? (RFB_BUFFER_SIZE / bytesPerLine) : 0;
 
-	while (h > 0) {
+	while (linesToRead && h > 0) {
 	  if (linesToRead > h)
 	    linesToRead = h;