1 files changed, 4 insertions, 0 deletions
diff --git a/src/H5HGpkg.h b/src/H5HGpkg.h
index ee029c4..8eb56e6 100644
--- a/src/H5HGpkg.h
+++ b/src/H5HGpkg.h
@@ -81,6 +81,10 @@ struct H5HG_heap_t {
     size_t		size;		/*total size of collection	*/
     uint8_t		*chunk;		/*the collection, incl. header	*/
     size_t		nalloc;		/*numb object slots allocated	*/
+    size_t              next_idx;       /* Object index to use next     */
+                                        /* If this value is >65535 then all indices */
+                                        /* have been used at some time and the */
+                                        /* correct new index should be searched for */
     H5HG_obj_t	*obj;		/*array of object descriptions	*/
 };