880c063d0411400cf71a25e20695a17927cac3e9
simgear::Dir::isEmpty() used to make up to 5 calls to readdir(), while 3 are enough to say whether the directory has entries other than '.' and '..'. Also add an automated test for this method.
SimGear - Simulator Construction Tools ====================================== http://www.flightgear.org SimGear is a set of open-source libraries designed to be used as building blocks for quickly assembling 3d simulations, games, and visualization applications. SimGear is developed by the FlightGear project and also provides the base for the FlightGear Flight Simulator. Source code for SimGear is released under the GNU Library General Public License (LGPL) - see COPYING for license details. See INSTALL file for help on building SimGear.
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