small OS X build fixes

ShipModel::search cleanup

1 files changed, 9 insertions, 1 deletions

diff --git a/src/game/base/shipmodel.cc b/src/game/base/shipmodel.cc
index a6a2bf9..ed8f09d 100644
--- a/src/game/base/shipmodel.cc
+++ b/src/game/base/shipmodel.cc
@@ -67,11 +67,19 @@ void ShipModel::generate_info()
 
 ShipModel *ShipModel::find(const std::string & label)
 {
+	if (!label.size()) {
+		return 0;
+	}
+	
 	return (ShipModel *) core::Info::find(shipmodel_infotype, label);
 }
 
-ShipModel *ShipModel::search(const std::string searchstr)
+ShipModel *ShipModel::search(const std::string & searchstr)
 {
+	if (!searchstr.size()) {
+		return 0;
+	}
+	
 	return (ShipModel *) core::Info::search(shipmodel_infotype, searchstr);
 }