From 0503554c81a53ca618ec13715a7b37f1c148421a Mon Sep 17 00:00:00 2001
From: Manjeet Dahiya <manjeetdahiya@gmail.com>
Date: Sat, 12 Sep 2009 10:48:11 +0000
Subject: image hash should be null for empty image

---
 source/QXmppUtils.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'source/QXmppUtils.cpp')

diff --git a/source/QXmppUtils.cpp b/source/QXmppUtils.cpp
index 0b16da03..b34f9902 100644
--- a/source/QXmppUtils.cpp
+++ b/source/QXmppUtils.cpp
@@ -124,7 +124,11 @@ QString getImageType(const QByteArray& image)
 
 QString getImageHash(const QByteArray& image)
 {
-    return QString(QCryptographicHash::hash(image, QCryptographicHash::Sha1).toHex());
+    if(image.isEmpty())
+        return "";
+    else
+        return QString(QCryptographicHash::hash(image,
+            QCryptographicHash::Sha1).toHex());
 }
 
 QImage getImageFromByteArray(const QByteArray& image)
-- 
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