fix(lanelet2_extension): invalid access (#240)

autowarefoundation · Mar 4, 2024 · bb0a296 · bb0a296
1 parent 71e8c30
commit bb0a296
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tmp/lanelet2_extension/lib/utilities.cpp b/tmp/lanelet2_extension/lib/utilities.cpp
@@ -180,6 +180,9 @@ lanelet::LineString3d getLineStringFromArcLength(
   lanelet::Points3d points;
   double accumulated_length = 0;
   size_t start_index = linestring.size();
+  if (start_index == 0) {
+    return lanelet::LineString3d{lanelet::InvalId, points};
+  }
   for (size_t i = 0; i < linestring.size() - 1; i++) {
     const auto & p1 = linestring[i];
     const auto & p2 = linestring[i + 1];