From b50181e3614286b9624cf3b8f296d7b25509a55d Mon Sep 17 00:00:00 2001
From: worktycho <work.tycho@gmail.com>
Date: Thu, 29 May 2014 19:29:06 +0100
Subject: fix underflow

Wish c++ could specify saturating unsigned underflow.
---
 src/ChunkData.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/ChunkData.cpp')

diff --git a/src/ChunkData.cpp b/src/ChunkData.cpp
index 2628b3410..72187f393 100644
--- a/src/ChunkData.cpp
+++ b/src/ChunkData.cpp
@@ -340,7 +340,7 @@ void cChunkData::CopyBlockTypes(BLOCKTYPE * a_Dest, size_t a_Idx, size_t a_Lengt
 		size_t StartPos = 0;
 		if (ToSkip > 0)
 		{
-			ToSkip = std::max(ToSkip - SectionBlockCount, (size_t) 0);  // TODO: Still can underflow
+			ToSkip = std::max((ssize_t)ToSkip - (ssize_t)SectionBlockCount, (size_t) 0);
 			StartPos = SectionBlockCount - ToSkip;
 		}
 		if (ToSkip == 0)
-- 
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