From dd050d35d77e2f6ac37bd1266a843df55848022f Mon Sep 17 00:00:00 2001
From: Peter Hartmann <phartmann@blackberry.com>
Date: Thu, 13 Jun 2013 17:43:56 +0200
Subject: network requests: do not access 1st byte of empty byte array

... because otherwise this would crash.
Apparently there are cases where the header name is empty.

Task-number: QTBUG-31667

Change-Id: I31b3e964502c05b7614c23876bb3752fa75ab22d
Reviewed-by: Richard J. Moore <rich@kde.org>
Reviewed-by: Shane Kearns <shane.kearns@accenture.com>
---
 src/network/access/qnetworkrequest.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/network/access/qnetworkrequest.cpp')

diff --git a/src/network/access/qnetworkrequest.cpp b/src/network/access/qnetworkrequest.cpp
index 3a3e24b80b..00d5b81413 100644
--- a/src/network/access/qnetworkrequest.cpp
+++ b/src/network/access/qnetworkrequest.cpp
@@ -752,7 +752,8 @@ static QByteArray headerValue(QNetworkRequest::KnownHeaders header, const QVaria
 
 static QNetworkRequest::KnownHeaders parseHeaderName(const QByteArray &headerName)
 {
-    // headerName is not empty here
+    if (headerName.isEmpty())
+        return QNetworkRequest::KnownHeaders(-1);
 
     switch (tolower(headerName.at(0))) {
     case 'c':
-- 
cgit v1.2.3