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Fix number of available printers in CUPS support.

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If the number of available printers changes, we want
to update the count. Additionally, if that number has
gone to zero, we want to ensure that the number of
available printers in the static object is reset to
zero.

This fixes a crash that occurs if:
 * You print
 * You kill cupsd (or it crashes because you're porting it and your port is unstable)
 * You try to print again before restarting it.

Change-Id: I6c6069db9d800ce7426e75df760829fea278e56e
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
This commit is contained in:
Rafael Roquetto 2012-10-10 15:43:50 -03:00 committed by The Qt Project
parent 491247acd4
commit eda0e120e9
1 changed files with 1 additions and 1 deletions
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2
src/printsupport/kernel/qcups.cpp
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@ -135,7 +135,7 @@ QCUPSSupport::QCUPSSupport()
if (!isAvailable())
return;
prnCount = _cupsGetDests(&printers);
qt_cups_num_printers = prnCount = _cupsGetDests(&printers);
for (int i = 0; i < prnCount; ++i) {
if (printers[i].is_default) {