cabana: fix crash when no can events in the log (#29795)

fix crash when no events old-commit-hash: 0afcf12368
2 years ago · 6394bf09d3
parent 8702d1b967
commit 6394bf09d3
1 changed files with 1 additions and 1 deletions
--- a/tools/cabana/streams/abstractstream.cc
+++ b/tools/cabana/streams/abstractstream.cc
@ -170,7 +170,7 @@ void AbstractStream::mergeEvents(std::vector<Event *>::const_iterator first, std
  auto insert_pos = std::upper_bound(all_events_.cbegin(), all_events_.cend(), new_events.front(), compare);
  all_events_.insert(insert_pos, new_events.cbegin(), new_events.cend());

-  lastest_event_ts = all_events_.back()->mono_time;
+  lastest_event_ts = all_events_.empty() ? 0 : all_events_.back()->mono_time;
  emit eventsMerged();
 }