require trip_short_name.length != 0 for usage as train number

motis-project · Nov 16, 2023 · 70350cc · 70350cc
1 parent 6ab4efd
commit 70350cc
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/loader/gtfs/trip.cc b/src/loader/gtfs/trip.cc
@@ -196,7 +196,8 @@ std::string trip::display_name(timetable const& tt) const {
                                        : "Tram " + route_->short_name_;
   }
 
-  auto const trip_name_is_number = utl::all_of(short_name_, is_digit);
+  auto const trip_name_is_number =
+      !short_name_.empty() && utl::all_of(short_name_, is_digit);
   if (route_->agency_ != provider_idx_t::invalid() &&
       tt.providers_[route_->agency_].long_name_ == "DB Fernverkehr AG") {
     if (route_->clasz_ == clasz::kHighSpeed) {