From acf422b7746cb0da0d7c1ef07387e026020a9f5d Mon Sep 17 00:00:00 2001
From: Mark Ruffner <mruffne2@gmail.com>
Date: Wed, 8 Mar 2017 09:58:29 -0600
Subject: [PATCH] Add validation on group id for map gesture color mapping
 (#4976)

---
 addons/map_gestures/functions/fnc_addGroupColorMapping.sqf | 1 +
 1 file changed, 1 insertion(+)

diff --git a/addons/map_gestures/functions/fnc_addGroupColorMapping.sqf b/addons/map_gestures/functions/fnc_addGroupColorMapping.sqf
index 949aa60da1..e02403b323 100644
--- a/addons/map_gestures/functions/fnc_addGroupColorMapping.sqf
+++ b/addons/map_gestures/functions/fnc_addGroupColorMapping.sqf
@@ -24,6 +24,7 @@ TRACE_3("params",_group,_leadColor,_unitColor);
 
 if (_group isEqualType grpNull) then {_group = groupID _group};
 
+if (_group == "") exitWith {ERROR("Group ID is blank, which is not valid.")};
 if (!([_leadColor] call FUNC(isValidColorArray))) exitWith {ERROR("leadColor is not a valid color array.")};
 if (!([_unitColor] call FUNC(isValidColorArray))) exitWith {ERROR("color is not a valid color array.")};