From fd9326ba5cb40c07205b9b4fa4ca6a8567b43a69 Mon Sep 17 00:00:00 2001
From: Ladislav <Zezula>
Date: Sun, 15 Sep 2013 10:23:57 +0200
Subject: + Fixed possible division by zero in LoadMpqDataBitmap + Updated zlib
 to version 1.2.5 (the same like current WoW build uses)

---
 src/SBaseFileTable.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/SBaseFileTable.cpp')

diff --git a/src/SBaseFileTable.cpp b/src/SBaseFileTable.cpp
index 226deb5..b362857 100644
--- a/src/SBaseFileTable.cpp
+++ b/src/SBaseFileTable.cpp
@@ -1769,7 +1769,7 @@ int LoadMpqDataBitmap(TMPQArchive * ha, ULONGLONG FileSize, bool * pbFileIsCompl
     // Note: Do not rely on file size when looking for the bitmap.
     // Battle.net.MPQ from SC2:HOTS (build 22342) has some data appended after the bitmap
     EndOfMpq = ha->MpqPos + ha->pHeader->ArchiveSize64;
-    if(FileSize > EndOfMpq)
+    if(FileSize > EndOfMpq && ha->pHeader->dwRawChunkSize != 0)
     {
         // Calculate the number of extra bytes for data bitmap
         DataBlockCount = (DWORD)(((ha->pHeader->ArchiveSize64 - 1) / ha->pHeader->dwRawChunkSize) + 1);
-- 
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