From 968cad3328d394075fef28492bf94fb8d8388d13 Mon Sep 17 00:00:00 2001
From: Vladimir Kolesnikov <vladimir@free-sevastopol.com>
Date: Sun, 10 Feb 2013 16:43:24 +0200
Subject: [PATCH] Fix crash in decode() on malformed input

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

diff --git a/src/quotedprintable.cpp b/src/quotedprintable.cpp
index 34d170c..fceaca5 100644
--- a/src/quotedprintable.cpp
+++ b/src/quotedprintable.cpp
@@ -48,7 +48,9 @@ QByteArray QuotedPrintable::decode(const QString &input)
 
     QByteArray output;
 
-    for (int i = 0; i < input.length(); ++i)
+    int len = input.length();
+    int i;
+    for (i = 0; i < len-2; ++i)
     {
         if (input.at(i).toLatin1() == '=')
         {
@@ -61,5 +63,10 @@ QByteArray QuotedPrintable::decode(const QString &input)
         }
     }
 
+    while (i<len) {
+        output.append(input.at(i).toLatin1());
+        ++i;
+    }
+
     return output;
 }