From c78957766a5adba45289a0f7afe22949a183b34b Mon Sep 17 00:00:00 2001
From: David Faure <faure@kde.org>
Date: Fri, 2 Mar 2012 20:33:55 +0100
Subject: QMimeDatabase: Fix crash on empty filename

This is due to the search in the suffix tree starting at position
fileName.length() - 1.

Change-Id: I98501c1724c7dde2626351ace8ba19faa0d2e1e1
Reviewed-by: Ivan Komissarov <ABBAPOH@nextmail.ru>
Reviewed-by: Wolf-Michael Bolle <wolf-michael.bolle@nokia.com>
---
 src/corelib/mimetypes/qmimeprovider.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/corelib/mimetypes/qmimeprovider.cpp')

diff --git a/src/corelib/mimetypes/qmimeprovider.cpp b/src/corelib/mimetypes/qmimeprovider.cpp
index 8ef0ee8881..0c2f25a1f9 100644
--- a/src/corelib/mimetypes/qmimeprovider.cpp
+++ b/src/corelib/mimetypes/qmimeprovider.cpp
@@ -283,6 +283,8 @@ QMimeType QMimeBinaryProvider::mimeTypeForName(const QString &name)
 QStringList QMimeBinaryProvider::findByFileName(const QString &fileName, QString *foundSuffix)
 {
     checkCache();
+    if (fileName.isEmpty())
+        return QStringList();
     const QString lowerFileName = fileName.toLower();
     QMimeGlobMatchResult result;
     // TODO this parses in the order (local, global). Check that it handles "NOGLOBS" correctly.
-- 
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