Open-Harbor/osrm-backend
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

guard against an empty alternative path in ExtractRouteNames

Browse Source
This commit is contained in:
Dennis Luxen 2014-06-06 11:50:14 +02:00
parent 11d4c04cea
commit d111a0e5e6
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Algorithms/ExtractRouteNames.h
View File

@ -134,8 +134,12 @@ template <class DataFacadeT, class SegmentT> struct ExtractRouteNames
std::sort(alternative_path_set_difference.begin(),
alternative_path_set_difference.end(),
length_comperator);
alternative_segment_2 = PickNextLongestSegment(alternative_path_set_difference,
if (!alternative_path_segments.empty())
{
alternative_segment_2 = PickNextLongestSegment(alternative_path_set_difference,
alternative_path_segments[0].name_id);
}
// move the segments into the order in which they occur.
if (shortest_segment_1.position > shortest_segment_2.position)