[svn-r8562] Purpose: New feature

Description:  Add null dataspace to h5dump and h5ls.


Platforms tested:  h5committest

1 files changed, 17 insertions, 0 deletions

diff --git a/tools/h5dump/h5dumpgentest.c b/tools/h5dump/h5dumpgentest.c
index 8eb50e1..b3c55a6 100644
--- a/tools/h5dump/h5dumpgentest.c
+++ b/tools/h5dump/h5dumpgentest.c
@@ -201,6 +201,7 @@ static void gent_dataset(void)
     hsize_t dims[2];
     int dset1[10][20];
     double dset2[30][20];
+    int dset3 = 10;
     int i, j;
   
     fid = H5Fcreate(FILE2, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
@@ -231,6 +232,15 @@ static void gent_dataset(void)
   
     H5Sclose(space);
     H5Dclose(dataset);
+
+    /* dset3 - null space */
+    space = H5Screate(H5S_NULL);
+    dataset = H5Dcreate(fid, "/dset3", H5T_STD_I32BE, space, H5P_DEFAULT);
+    /* nothing should be written */
+    H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, &dset3);
+
+    H5Sclose(space);
+    H5Dclose(dataset);
     H5Fclose(fid);
 }
 
@@ -338,6 +348,13 @@ static void gent_attribute(void)
     H5Tset_size(type, 17);
     attr = H5Acreate (root, "attr5", type, space, H5P_DEFAULT);
     H5Awrite(attr, type, string);
+    H5Sclose(space);
+    H5Aclose(attr);
+   
+    /* attribute 6 - null dataspace */
+    space = H5Screate(H5S_NULL);
+    attr = H5Acreate (root, "attr6", H5T_NATIVE_UINT, space, H5P_DEFAULT);
+    H5Awrite(attr, H5T_NATIVE_INT, &point); /* Nothing can be written */
 
     H5Tclose(type);
     H5Sclose(space);