From fc465784df7893abc180ede9b69b4e27aaa522f7 Mon Sep 17 00:00:00 2001
From: kh1 <karsten.heimrich@digia.com>
Date: Tue, 24 Sep 2013 14:14:14 +0200
Subject: We can't expect a multiple of 8 during marker search.

Once the marker was on a position not matching a multiple of
8 from the end, the search would fail. Now decrement by 1 byte.

Change-Id: Ia703c9074b3bef6b1a300865abfe24dcb2c8d5fd
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Niels Weber <niels.weber@digia.com>
---
 src/libs/installer/binaryformat.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/libs/installer/binaryformat.cpp b/src/libs/installer/binaryformat.cpp
index 8e79e84c3..fe1c61ced 100644
--- a/src/libs/installer/binaryformat.cpp
+++ b/src/libs/installer/binaryformat.cpp
@@ -237,7 +237,7 @@ qint64 QInstaller::findMagicCookie(QFile *in, quint64 magicCookie)
     while (searched >= 0) {
         if (memcmp(&magicCookie, (mapped + searched), markerSize) == 0)
             return (fileSize - maxSearch) + searched;
-        searched -= markerSize;
+        --searched;
     }
     throw Error(QObject::tr("No marker found, stopped after %1.").arg(humanReadableSize(maxSearch)));
 
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