src/hg/hgTracks/hgTracks.c 1.1588

1.1588 2009/08/14 07:18:53 aamp
Changes to reflect library changes dealing with the next-item button custom track bug. hGetBedRange wasn't up to the task.

Index: src/hg/hgTracks/hgTracks.c
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/hgTracks/hgTracks.c,v
retrieving revision 1.1587
retrieving revision 1.1588
diff -b -B -U 4 -r1.1587 -r1.1588
--- src/hg/hgTracks/hgTracks.c	12 Aug 2009 21:20:25 -0000	1.1587
+++ src/hg/hgTracks/hgTracks.c	14 Aug 2009 07:18:53 -0000	1.1588
@@ -3693,9 +3693,9 @@
 /* In case a next item arrow was clicked on a track, change */
 /* position (i.e. winStart, winEnd, etc.) based on what track it was */
 {
 struct track *track = trackFindByName(trackList, trackName);
-if (track->labelNextPrevItem != NULL)
+if ((track != NULL) && (track->labelNextPrevItem != NULL))
     track->labelNextPrevItem(track, goNext);
 }
 
 char *collapseGroupVar(char *name)