1 files changed, 5 insertions, 0 deletions
diff --git a/src/ioFlexGH.h b/src/ioFlexGH.h
index a772233..99cd945 100644
--- a/src/ioFlexGH.h
+++ b/src/ioFlexGH.h
@@ -141,6 +141,11 @@ typedef struct IOFlexIOGH
   /* 2D slices */
   int **sp2xyz;
 
+  /* ring buffer for list of successfully created cp files */
+  int    checkpoint_keep;
+  int    cp_fileindex;
+  char **cp_filenames;
+
   /* iteration number of the last checkpoint */
   int last_checkpoint_iteration;