From e7471da4d6e025efc6fe2a8e9c1890e593b2d6b2 Mon Sep 17 00:00:00 2001
From: Daniel Teske <qt@squorn.de>
Date: Thu, 15 Jun 2017 15:05:04 +0200
Subject: [PATCH] Windows Printer: Handle no default printer case

GetDefaultPrinter can return ERROR_FILE_NOT_FOUND. In that case just
return a empty string.

Task-number: QTBUG-53290
Change-Id: Ib0e28b3425d100bc185d1d8827dc6b7fd90cbbeb
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
---
 src/plugins/printsupport/windows/qwindowsprintdevice.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/printsupport/windows/qwindowsprintdevice.cpp b/src/plugins/printsupport/windows/qwindowsprintdevice.cpp
index 99e8ec8999..1cb14514ee 100644
--- a/src/plugins/printsupport/windows/qwindowsprintdevice.cpp
+++ b/src/plugins/printsupport/windows/qwindowsprintdevice.cpp
@@ -449,7 +449,9 @@ QStringList QWindowsPrintDevice::availablePrintDeviceIds()
 QString QWindowsPrintDevice::defaultPrintDeviceId()
 {
     DWORD size = 0;
-    GetDefaultPrinter(NULL, &size);
+    if (GetDefaultPrinter(NULL, &size) == ERROR_FILE_NOT_FOUND)
+       return QString();
+
     QScopedArrayPointer<wchar_t> name(new wchar_t[size]);
     GetDefaultPrinter(name.data(), &size);
     return QString::fromWCharArray(name.data());