summaryrefslogtreecommitdiffstats
path: root/tools/h5repack/testh5repack_attr.c
diff options
context:
space:
mode:
authorRaymond Lu <songyulu@hdfgroup.org>2004-05-26 19:43:56 (GMT)
committerRaymond Lu <songyulu@hdfgroup.org>2004-05-26 19:43:56 (GMT)
commit6223a679ce610d98a7735c426c76162a3ecd34b1 (patch)
tree2520cb26ace7d6f6e4e9ab5698764162623d2a15 /tools/h5repack/testh5repack_attr.c
parentdd03ef3f27627a0f482bb847b23664879df736fc (diff)
downloadhdf5-6223a679ce610d98a7735c426c76162a3ecd34b1.zip
hdf5-6223a679ce610d98a7735c426c76162a3ecd34b1.tar.gz
hdf5-6223a679ce610d98a7735c426c76162a3ecd34b1.tar.bz2
[svn-r8582] *** empty log message ***
Diffstat (limited to 'tools/h5repack/testh5repack_attr.c')
-rw-r--r--tools/h5repack/testh5repack_attr.c29
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);
+}