Update to latest stepcode

svn:revision:77973 svn:branch:extbuild svn:account:starseeker
BRL-CAD · Dec 15, 2020 · b0dd456 · b0dd456
1 parent 57db755
commit b0dd456
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/src/other/ext/stepcode/src/clstepcore/complexSupport.h b/src/other/ext/stepcode/src/clstepcore/complexSupport.h
@@ -193,30 +193,31 @@ class SC_CORE_EXPORT EntList
         EntList *firstNot(JoinType);
         EntList *nextNot(JoinType j)
         {
-            return next->firstNot(j);
+            return (next) ? next->firstNot(j) : NULL;
         }
         EntList *firstWanted(MatchType);
         EntList *nextWanted(MatchType mat)
         {
-            return next->firstWanted(mat);
+            return (next) ? next->firstWanted(mat) : NULL;
         }
         EntList *lastNot(JoinType);
         EntList *prevNot(JoinType j)
         {
-            return prev->lastNot(j);
+            return (prev) ? prev->lastNot(j) : NULL;
         }
         EntList *lastWanted(MatchType);
         EntList *prevWanted(MatchType mat)
         {
-            return prev->lastWanted(mat);
+            return (prev) ? prev->lastWanted(mat) : NULL;
         }
 
         JoinType join;
         int multiple()
         {
             return (join != SIMPLE);
         }
-        EntList *next, *prev;
+        EntList *next = NULL;
+        EntList *prev = NULL;
 
     protected:
         MatchType viable;