X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=profile.c;h=d3362432effe11b1e0680e9e131d6f457aa5560d;hb=413065dcdccebe3a97813e9c45a654820f98e0e6;hp=614822809f53dd59bcb6ad2575f51b5e8207e398;hpb=a5e822a4d6f742afe2b4b2e6a856af3063b5ffe1;p=ext%2Fsubsurface.git

diff --git a/profile.c b/profile.c
index 6148228..d336243 100644
--- a/profile.c
+++ b/profile.c
@@ -14,6 +14,7 @@
 #include "color.h"
 
 int selected_dive = 0;
+int *selectiontracker;
 
 typedef enum { STABLE, SLOW, MODERATE, FAST, CRAZY } velocity_t;
 
@@ -1048,16 +1049,18 @@ static void fill_missing_tank_pressures(struct plot_info *pi, pr_track_t **track
 				/* there may be multiple segments - so
 				 * let's assemble the length */
 				nlist = list;
-				pt = list->pressure_time;
-				while (!nlist->end) {
-					nlist = nlist->next;
-					if (!nlist) {
-						/* oops - we have no end pressure,
-						 * so this means this is a tank without
-						 * gas consumption information */
-						break;
+				if (list) {
+					pt = list->pressure_time;
+					while (!nlist->end) {
+						nlist = nlist->next;
+						if (!nlist) {
+							/* oops - we have no end pressure,
+							 * so this means this is a tank without
+							 * gas consumption information */
+							break;
+						}
+						pt += nlist->pressure_time;
 					}
-					pt += nlist->pressure_time;
 				}
 				if (!nlist) {
 					/* just continue without calculating