Do not crash when zipped project is not a valid zip

Fixes #20783 - Crash when opening qgz project
qgis · Dec 13, 2018 · 1bc9234 · 1bc9234
1 parent 14e59ee
commit 1bc9234
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/core/qgsziputils.cpp b/src/core/qgsziputils.cpp
@@ -110,7 +110,7 @@ bool QgsZipUtils::unzip( const QString &zipFilename, const QString &dir, QString
   }
   else
   {
-    QString err = QObject::tr( "Error opening zip archive: '%1'" ).arg( zip_strerror( z ) );
+    QString err = QObject::tr( "Error opening zip archive: '%1'" ).arg( z ? zip_strerror( z ) : zipFilename );
     QgsMessageLog::logMessage( err, QStringLiteral( "QgsZipUtils" ) );
     return false;
   }