fix: segfault when siphoning a vehicle with multiple tanks (#40227)

CleverRaven · May 6, 2020 · f7d6b59 · f7d6b59
1 parent fa1c1ee
commit f7d6b59
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/veh_interact.cpp b/src/veh_interact.cpp
@@ -1909,7 +1909,8 @@ bool veh_interact::do_siphon( std::string &msg )
     set_title( _( "Select part to siphon:" ) );
 
     auto sel = [&]( const vehicle_part & pt ) {
-        return( pt.is_tank() && pt.base.contents.legacy_front().made_of( LIQUID ) );
+        return( pt.is_tank() && !pt.base.contents.empty() &&
+                pt.base.contents.only_item().made_of( LIQUID ) );
     };
 
     auto act = [&]( const vehicle_part & pt ) {