Increased protection against empty tracks

viking-gps · Jan 18, 2025 · 935ed77 · 935ed77
1 parent 736160e
commit 935ed77
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/viktrwlayer_propwin.c b/src/viktrwlayer_propwin.c
@@ -491,6 +491,8 @@ static gdouble tp_percentage_by_time ( VikTrack *tr, VikTrackpoint *trackpoint )
   gdouble pc = NAN;
   if (trackpoint == NULL)
     return pc;
+  if (tr->trackpoints == NULL)
+    return pc;
   gdouble t_start, t_end, t_total;
   t_start = VIK_TRACKPOINT(tr->trackpoints->data)->timestamp;
   t_end = VIK_TRACKPOINT(g_list_last(tr->trackpoints)->data)->timestamp;
@@ -511,6 +513,8 @@ static gdouble tp_percentage_by_distance ( VikTrack *tr, VikTrackpoint *trackpoi
   gdouble pc = NAN;
   if (trackpoint == NULL)
     return pc;
+  if (tr->trackpoints == NULL)
+    return pc;
   // Is it the first trackpoint?
   if (trackpoint == tr->trackpoints->data)
     return 0.0;