From 1b6451a4f57f9b2cfcc8536c738b5c5d9a8c4c94 Mon Sep 17 00:00:00 2001
From: Andrey Kiselev <dron@ak4719.spb.edu>
Date: Thu, 12 Oct 2006 17:38:48 +0000
Subject: [PATCH] Fixed problem with offset value manipulation as per bug
 http://bugzilla.remotesensing.org/show_bug.cgi?id=1322

---
 libtiff/tif_win32.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/libtiff/tif_win32.c b/libtiff/tif_win32.c
index 6d09ce5a..2e881698 100644
--- a/libtiff/tif_win32.c
+++ b/libtiff/tif_win32.c
@@ -1,4 +1,4 @@
-/* $Id: tif_win32.c,v 1.18 2006-02-07 11:03:29 dron Exp $ */
+/* $Id: tif_win32.c,v 1.19 2006-10-12 17:38:48 dron Exp $ */
 
 /*
  * Copyright (c) 1988-1997 Sam Leffler
@@ -51,11 +51,10 @@ _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
 static toff_t
 _tiffSeekProc(thandle_t fd, toff_t off, int whence)
 {
-	DWORD dwMoveMethod, dwMoveHigh;
+        ULARGE_INTEGER li;
+	DWORD dwMoveMethod;
 
-        /* we use this as a special code, so avoid accepting it */
-        if( off == 0xFFFFFFFF )
-            return 0xFFFFFFFF;
+	li.QuadPart = off;
         
 	switch(whence)
 	{
@@ -72,9 +71,8 @@ _tiffSeekProc(thandle_t fd, toff_t off, int whence)
 		dwMoveMethod = FILE_BEGIN;
 		break;
 	}
-        dwMoveHigh = 0;
-	return ((toff_t)SetFilePointer(fd, (LONG) off, (PLONG)&dwMoveHigh,
-                                       dwMoveMethod));
+	return ((toff_t)SetFilePointer(fd, (LONG) li.LowPart,
+				       (PLONG)&li.HighPart, dwMoveMethod));
 }
 
 static int