1 files changed, 27 insertions, 2 deletions
diff --git a/tools/h5repack/testh5repack_attr.c b/tools/h5repack/testh5repack_attr.c
index a1dad92..135d15b 100644
--- a/tools/h5repack/testh5repack_attr.c
+++ b/tools/h5repack/testh5repack_attr.c
@@ -1028,5 +1028,30 @@ etc
  make_attr(loc_id,3,dims3,"float3D",H5T_NATIVE_FLOAT,buf83);
 }
 
-
-
+/*-------------------------------------------------------------------------
+ * Function: write_null_attr
+ *
+ * Purpose: write null attribute in LOC_ID (dataset, group, named datatype) 
+ *
+ * Programmer: Raymond Lu, slu@ncsa.uiuc.edu
+ *
+ * Date: May 24, 2004
+ *
+ *-------------------------------------------------------------------------
+ */
+void write_null_attr(hid_t loc_id)
+{
+     hid_t sid, attr_id;
+     int        val = 2;
+    
+     /* Create the null attribute */
+     sid = H5Screate(H5S_NULL);
+     attr_id = H5Acreate(loc_id, "null_attr", H5T_NATIVE_INT, sid, H5P_DEFAULT);
+  
+     /* Not supposed to write anything */
+     H5Awrite(attr_id, H5T_NATIVE_INT, &val);
+
+     /* Close */
+     H5Aclose(attr_id);
+     H5Sclose(sid);
+}