From f442793d201bd905c38c4861c564ba2896b8cd88 Mon Sep 17 00:00:00 2001
From: Filip Gawin <filip.gawin@zoho.com>
Date: Tue, 3 Nov 2020 18:00:10 +0100
Subject: Allow to handle larger files via 64bit variables

---
 src/core/CdStream.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/core/CdStream.cpp')

diff --git a/src/core/CdStream.cpp b/src/core/CdStream.cpp
index c11fb72a..1d39aa52 100644
--- a/src/core/CdStream.cpp
+++ b/src/core/CdStream.cpp
@@ -242,8 +242,15 @@ CdStreamRead(int32 channel, void *buffer, uint32 offset, uint32 size)
 		else
 			return STREAM_SUCCESS;
 	}
-	
+
+#ifdef BIG_IMG
+	LARGE_INTEGER liDistanceToMove;
+	liDistanceToMove.QuadPart = _GET_OFFSET(offset);
+	liDistanceToMove.QuadPart *= CDSTREAM_SECTOR_SIZE;
+	SetFilePointerEx(hImage, liDistanceToMove, nil, FILE_BEGIN);
+#else
 	SetFilePointer(hImage, _GET_OFFSET(offset) * CDSTREAM_SECTOR_SIZE, nil, FILE_BEGIN);
+#endif
 	
 	DWORD NumberOfBytesRead;
 	
-- 
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