[svn-r23600] Bring revisions #23085 - #23341 from trunk to revise_chunks.

h5committested.

13 files changed, 845 insertions, 7 deletions

diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index b23c6f8..3abf97a 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8.6)
+cmake_minimum_required (VERSION 2.8.10)
 PROJECT (HDF5_EXAMPLES)
 
 #-----------------------------------------------------------------------------
@@ -10,6 +10,15 @@ ADD_DEFINITIONS (${HDF5_EXTRA_C_FLAGS})
 # Define Sources
 #-----------------------------------------------------------------------------
 SET (examples
+    h5_crtdat
+    h5_rdwt
+    h5_crtatt
+    h5_crtgrp
+    h5_crtgrpar
+    h5_crtgrpd
+    h5_cmprss
+    h5_extend
+    h5_subset
     h5_write
     h5_read
     h5_extend_write
@@ -51,11 +60,15 @@ IF (BUILD_TESTING)
           -E remove 
           Attributes.h5
           btrees_file.h5
+          cmprss.h5
           default_file.h5
+          dset.h5
+          extend.h5 
           extlink_prefix_source.h5
           extlink_source.h5
           extlink_target.h5
           group.h5
+          groups.h5
           hard_link.h5
           mount1.h5
           mount2.h5
@@ -71,6 +84,7 @@ IF (BUILD_TESTING)
           separate_indexes_file.h5
           small_lists_file.h5
           soft_link.h5
+          subset.h5
           unix2win.h5
   )
   IF (NOT "${last_test}" STREQUAL "")
diff --git a/examples/Makefile.am b/examples/Makefile.am
index 58f50e7..d8eac95 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -29,7 +29,9 @@ endif
 # Don't tell automake about them, because if it knew they were programs,
 # it would try to compile them instead of using the h5cc script.
 # Use the boilerplate in config/examples.am instead.
-EXAMPLE_PROG = h5_write h5_read h5_extend_write h5_chunk_read h5_compound   \
+EXAMPLE_PROG = h5_write h5_read h5_extend_write h5_chunk_read h5_compound \
+           h5_crtgrpd h5_subset h5_cmprss h5_rdwt h5_crtgrpar h5_extend \
+           h5_crtatt h5_crtgrp h5_crtdat \
            h5_group h5_select h5_attribute h5_mount h5_reference h5_drivers \
            h5_ref2reg h5_extlink h5_elink_unix2win h5_shared_mesg
 TEST_SCRIPT=testh5cc.sh
@@ -37,6 +39,8 @@ TEST_SCRIPT=testh5cc.sh
 # Install files
 # List all file that should be installed in examples directory
 INSTALL_FILES = h5_write.c h5_read.c h5_extend_write.c h5_chunk_read.c   \
+          h5_crtgrpd.c h5_subset.c h5_cmprss.c h5_rdwt.c h5_crtgrpar.c \
+          h5_extend.c h5_crtatt.c h5_crtgrp.c h5_crtdat.c \
           h5_compound.c h5_group.c h5_select.c h5_attribute.c h5_mount.c \
           h5_reference.c h5_drivers.c h5_extlink.c h5_elink_unix2win.c   \
           h5_ref2reg.c h5_shared_mesg.c ph5example.c
@@ -55,9 +59,14 @@ $(EXTRA_PROG): $(H5CC)
 	$(H5CC) $(H5CCFLAGS) $(CFLAGS) -o $@ $(srcdir)/$@.c;
 endif
 
-# Two of the examples depend on files created by other examples.
+# Some examples depend on files created by other examples.
 h5_read.chkexe_: h5_write.chkexe_
 h5_chunk_read.chkexe_: h5_extend_write.chkexe_
+h5_crtgrpd.chkexe_: h5_crtgrpar.chkexe_
+# h5_rdwt and h5_crtatt both modify the same file created by
+# h5_crtdat. Serialize them.
+h5_rdwt.chkexe_: h5_crtdat.chkexe_
+h5_crtatt.chkexe_: h5_rdwt.chkexe_
 
 # The external link examples demonstrate how to use paths; they need
 # directories to be created to do this.
@@ -82,6 +91,15 @@ EXAMPLETOPDIR=${DESTDIR}$(exec_prefix)/share/hdf5_examples
 # library above.
 h5_chunk_read: $(srcdir)/h5_chunk_read.c
 h5_compound: $(srcdir)/h5_compound.c
+h5_crtgrpd: $(srcdir)/h5_crtgrpd.c
+h5_subset: $(srcdir)/h5_subset.c
+h5_cmprss: $(srcdir)/h5_cmprss.c
+h5_rdwt: $(srcdir)/h5_rdwt.c
+h5_crtgrpar: $(srcdir)/h5_crtgrpar.c
+h5_extend: $(srcdir)/h5_extend.c
+h5_crtatt: $(srcdir)/h5_crtatt.c
+h5_crtgrp: $(srcdir)/h5_crtgrp.c
+h5_crtdat: $(srcdir)/h5_crtdat.c
 h5_extend_write: $(srcdir)/h5_extend_write.c
 h5_group: $(srcdir)/h5_group.c
 h5_write: $(srcdir)/h5_write.c
diff --git a/examples/Makefile.in b/examples/Makefile.in
index 04c010d..064cb84 100644
--- a/examples/Makefile.in
+++ b/examples/Makefile.in
@@ -194,6 +194,7 @@ H5_VERSION = @H5_VERSION@
 HADDR_T = @HADDR_T@
 HAVE_DMALLOC = @HAVE_DMALLOC@
 HAVE_FORTRAN_2003 = @HAVE_FORTRAN_2003@
+HAVE_PTHREAD = @HAVE_PTHREAD@
 HDF5_HL = @HDF5_HL@
 HDF5_INTERFACES = @HDF5_INTERFACES@
 HDF_CXX = @HDF_CXX@
@@ -245,7 +246,6 @@ PACKAGE_VERSION = @PACKAGE_VERSION@
 PARALLEL = @PARALLEL@
 PATH_SEPARATOR = @PATH_SEPARATOR@
 PERL = @PERL@
-PTHREAD = @PTHREAD@
 RANLIB = @RANLIB@
 ROOT = @ROOT@
 RUNPARALLEL = @RUNPARALLEL@
@@ -394,7 +394,9 @@ CHECK_CLEANFILES = *.chkexe *.chklog *.clog $(EXTLINK_DIRS) *.h5
 # Don't tell automake about them, because if it knew they were programs,
 # it would try to compile them instead of using the h5cc script.
 # Use the boilerplate in config/examples.am instead.
-EXAMPLE_PROG = h5_write h5_read h5_extend_write h5_chunk_read h5_compound   \
+EXAMPLE_PROG = h5_write h5_read h5_extend_write h5_chunk_read h5_compound \
+           h5_crtgrpd h5_subset h5_cmprss h5_rdwt h5_crtgrpar h5_extend \
+           h5_crtatt h5_crtgrp h5_crtdat \
            h5_group h5_select h5_attribute h5_mount h5_reference h5_drivers \
            h5_ref2reg h5_extlink h5_elink_unix2win h5_shared_mesg
 
@@ -403,6 +405,8 @@ TEST_SCRIPT = testh5cc.sh
 # Install files
 # List all file that should be installed in examples directory
 INSTALL_FILES = h5_write.c h5_read.c h5_extend_write.c h5_chunk_read.c   \
+          h5_crtgrpd.c h5_subset.c h5_cmprss.c h5_rdwt.c h5_crtgrpar.c \
+          h5_extend.c h5_crtatt.c h5_crtgrp.c h5_crtdat.c \
           h5_compound.c h5_group.c h5_select.c h5_attribute.c h5_mount.c \
           h5_reference.c h5_drivers.c h5_extlink.c h5_elink_unix2win.c   \
           h5_ref2reg.c h5_shared_mesg.c ph5example.c
@@ -668,9 +672,14 @@ help:
 @BUILD_PARALLEL_CONDITIONAL_FALSE@$(EXTRA_PROG): $(H5CC)
 @BUILD_PARALLEL_CONDITIONAL_FALSE@	$(H5CC) $(H5CCFLAGS) $(CFLAGS) -o $@ $(srcdir)/$@.c;
 
-# Two of the examples depend on files created by other examples.
+# Some examples depend on files created by other examples.
 h5_read.chkexe_: h5_write.chkexe_
 h5_chunk_read.chkexe_: h5_extend_write.chkexe_
+h5_crtgrpd.chkexe_: h5_crtgrpar.chkexe_
+# h5_rdwt and h5_crtatt both modify the same file created by
+# h5_crtdat. Serialize them.
+h5_rdwt.chkexe_: h5_crtdat.chkexe_
+h5_crtatt.chkexe_: h5_rdwt.chkexe_
 
 $(EXTLINK_DIRS):
 	echo $(mkdir_p) $@
@@ -684,6 +693,15 @@ $(EXTLINK_DIRS):
 # library above.
 h5_chunk_read: $(srcdir)/h5_chunk_read.c
 h5_compound: $(srcdir)/h5_compound.c
+h5_crtgrpd: $(srcdir)/h5_crtgrpd.c
+h5_subset: $(srcdir)/h5_subset.c
+h5_cmprss: $(srcdir)/h5_cmprss.c
+h5_rdwt: $(srcdir)/h5_rdwt.c
+h5_crtgrpar: $(srcdir)/h5_crtgrpar.c
+h5_extend: $(srcdir)/h5_extend.c
+h5_crtatt: $(srcdir)/h5_crtatt.c
+h5_crtgrp: $(srcdir)/h5_crtgrp.c
+h5_crtdat: $(srcdir)/h5_crtdat.c
 h5_extend_write: $(srcdir)/h5_extend_write.c
 h5_group: $(srcdir)/h5_group.c
 h5_write: $(srcdir)/h5_write.c
diff --git a/examples/h5_cmprss.c b/examples/h5_cmprss.c
new file mode 100644
index 0000000..4a2f982
--- /dev/null
+++ b/examples/h5_cmprss.c
@@ -0,0 +1,125 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

+ * Copyright by The HDF Group.                                               *

+ * Copyright by the Board of Trustees of the University of Illinois.         *

+ * All rights reserved.                                                      *

+ *                                                                           *

+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *

+ * terms governing use, modification, and redistribution, is contained in    *

+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *

+ * of the source code distribution tree; Copyright.html can be found at the  *

+ * root level of an installed copy of the electronic HDF5 document set and   *

+ * is linked from the top-level documents page.  It can also be found at     *

+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *

+ * access to either file, you may request a copy from help@hdfgroup.org.     *

+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

+

+/* 

+ *  This example illustrates how to create a compressed dataset.

+ *  It is used in the HDF5 Tutorial.

+ */ 

+

+#include "hdf5.h"

+

+#define FILE    "cmprss.h5"

+#define RANK    2

+#define DIM0    100

+#define DIM1    20

+ 

+int main () {

+

+    hid_t    file_id, dataset_id, dataspace_id; /* identifiers */

+    hid_t    plist_id; 

+

+    size_t   nelmts;

+    unsigned flags, filter_info;

+    H5Z_filter_t filter_type;

+

+    herr_t   status;

+    hsize_t  dims[2];

+    hsize_t  cdims[2];

+ 

+    int      idx;

+    int      i,j, numfilt;

+    int      buf[DIM0][DIM1];

+    int      rbuf [DIM0][DIM1];

+

+    /* Uncomment these variables to use SZIP compression 

+    unsigned szip_options_mask;

+    unsigned szip_pixels_per_block;

+    */

+

+    /* Create a file.  */

+    file_id = H5Fcreate (FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);

+

+

+    /* Create dataset "Compressed Data" in the group using absolute name.  */

+    dims[0] = DIM0;

+    dims[1] = DIM1;

+    dataspace_id = H5Screate_simple (RANK, dims, NULL);

+

+    plist_id  = H5Pcreate (H5P_DATASET_CREATE);

+

+    /* Dataset must be chunked for compression */

+    cdims[0] = 20;

+    cdims[1] = 20;

+    status = H5Pset_chunk (plist_id, 2, cdims);

+

+    /* Set ZLIB / DEFLATE Compression using compression level 6.

+     * To use SZIP Compression comment out these lines. 

+    */ 

+    status = H5Pset_deflate (plist_id, 6); 

+

+    /* Uncomment these lines to set SZIP Compression 

+    szip_options_mask = H5_SZIP_NN_OPTION_MASK;

+    szip_pixels_per_block = 16;

+    status = H5Pset_szip (plist_id, szip_options_mask, szip_pixels_per_block);

+    */

+    

+    dataset_id = H5Dcreate2 (file_id, "Compressed_Data", H5T_STD_I32BE, 

+                            dataspace_id, H5P_DEFAULT, plist_id, H5P_DEFAULT); 

+

+    for (i = 0; i< DIM0; i++) 

+        for (j=0; j<DIM1; j++) 

+           buf[i][j] = i+j;

+

+    status = H5Dwrite (dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);

+

+    status = H5Sclose (dataspace_id);

+    status = H5Dclose (dataset_id);

+    status = H5Pclose (plist_id);

+    status = H5Fclose (file_id);

+

+    /* Now reopen the file and dataset in the file. */

+    file_id = H5Fopen (FILE, H5F_ACC_RDWR, H5P_DEFAULT);

+    dataset_id = H5Dopen2 (file_id, "Compressed_Data", H5P_DEFAULT);

+

+    /* Retrieve filter information. */

+    plist_id = H5Dget_create_plist (dataset_id);

+    

+    numfilt = H5Pget_nfilters (plist_id);

+    printf ("Number of filters associated with dataset: %i\n", numfilt);

+     

+    for (i=0; i<numfilt; i++) {

+       nelmts = 0;

+       filter_type = H5Pget_filter2 (plist_id, 0, &flags, &nelmts, NULL, 0, NULL,

+                     &filter_info);

+       printf ("Filter Type: ");

+       switch (filter_type) {

+         case H5Z_FILTER_DEFLATE:

+              printf ("H5Z_FILTER_DEFLATE\n");

+              break;

+         case H5Z_FILTER_SZIP:

+              printf ("H5Z_FILTER_SZIP\n");

+              break;

+         default:

+              printf ("Other filter type included.\n");

+         }

+    }

+

+    status = H5Dread (dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, 

+                      H5P_DEFAULT, rbuf); 

+    

+    status = H5Dclose (dataset_id);

+    status = H5Pclose (plist_id);

+    status = H5Fclose (file_id);

+}

diff --git a/examples/h5_crtatt.c b/examples/h5_crtatt.c
new file mode 100644
index 0000000..416839f
--- /dev/null
+++ b/examples/h5_crtatt.c
@@ -0,0 +1,63 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

+ * Copyright by The HDF Group.                                               *

+ * Copyright by the Board of Trustees of the University of Illinois.         *

+ * All rights reserved.                                                      *

+ *                                                                           *

+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *

+ * terms governing use, modification, and redistribution, is contained in    *

+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *

+ * of the source code distribution tree; Copyright.html can be found at the  *

+ * root level of an installed copy of the electronic HDF5 document set and   *

+ * is linked from the top-level documents page.  It can also be found at     *

+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *

+ * access to either file, you may request a copy from help@hdfgroup.org.     *

+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

+

+/*

+ *  This example illustrates how to create an attribute attached to a

+ *  dataset.  It is used in the HDF5 Tutorial.

+ */

+

+#include "hdf5.h"

+#define FILE "dset.h5"

+

+int main() {

+

+   hid_t       file_id, dataset_id, attribute_id, dataspace_id;  /* identifiers */

+   hsize_t     dims;

+   int         attr_data[2];

+   herr_t      status;

+

+   /* Initialize the attribute data. */

+   attr_data[0] = 100;

+   attr_data[1] = 200;

+

+   /* Open an existing file. */

+   file_id = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);

+

+   /* Open an existing dataset. */

+   dataset_id = H5Dopen2(file_id, "/dset", H5P_DEFAULT);

+

+   /* Create the data space for the attribute. */

+   dims = 2;

+   dataspace_id = H5Screate_simple(1, &dims, NULL);

+

+   /* Create a dataset attribute. */

+   attribute_id = H5Acreate2 (dataset_id, "Units", H5T_STD_I32BE, dataspace_id, 

+                             H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Write the attribute data. */

+   status = H5Awrite(attribute_id, H5T_NATIVE_INT, attr_data);

+

+   /* Close the attribute. */

+   status = H5Aclose(attribute_id);

+

+   /* Close the dataspace. */

+   status = H5Sclose(dataspace_id);

+

+   /* Close to the dataset. */

+   status = H5Dclose(dataset_id);

+

+   /* Close the file. */

+   status = H5Fclose(file_id);

+}

diff --git a/examples/h5_crtdat.c b/examples/h5_crtdat.c
new file mode 100644
index 0000000..bbb29b2
--- /dev/null
+++ b/examples/h5_crtdat.c
@@ -0,0 +1,51 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

+ * Copyright by The HDF Group.                                               *

+ * Copyright by the Board of Trustees of the University of Illinois.         *

+ * All rights reserved.                                                      *

+ *                                                                           *

+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *

+ * terms governing use, modification, and redistribution, is contained in    *

+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *

+ * of the source code distribution tree; Copyright.html can be found at the  *

+ * root level of an installed copy of the electronic HDF5 document set and   *

+ * is linked from the top-level documents page.  It can also be found at     *

+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *

+ * access to either file, you may request a copy from help@hdfgroup.org.     *

+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

+

+/*

+ *  This example illustrates how to create a dataset that is a 4 x 6 

+ *  array.  It is used in the HDF5 Tutorial.

+ */

+

+#include "hdf5.h"

+#define FILE "dset.h5"

+

+int main() {

+

+   hid_t       file_id, dataset_id, dataspace_id;  /* identifiers */

+   hsize_t     dims[2];

+   herr_t      status;

+

+   /* Create a new file using default properties. */

+   file_id = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Create the data space for the dataset. */

+   dims[0] = 4; 

+   dims[1] = 6; 

+   dataspace_id = H5Screate_simple(2, dims, NULL);

+

+   /* Create the dataset. */

+   dataset_id = H5Dcreate2(file_id, "/dset", H5T_STD_I32BE, dataspace_id, 

+                          H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* End access to the dataset and release resources used by it. */

+   status = H5Dclose(dataset_id);

+

+   /* Terminate access to the data space. */ 

+   status = H5Sclose(dataspace_id);

+

+   /* Close the file. */

+   status = H5Fclose(file_id);

+}

+

diff --git a/examples/h5_crtgrp.c b/examples/h5_crtgrp.c
new file mode 100644
index 0000000..3a94a8f
--- /dev/null
+++ b/examples/h5_crtgrp.c
@@ -0,0 +1,40 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

+ * Copyright by The HDF Group.                                               *

+ * Copyright by the Board of Trustees of the University of Illinois.         *

+ * All rights reserved.                                                      *

+ *                                                                           *

+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *

+ * terms governing use, modification, and redistribution, is contained in    *

+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *

+ * of the source code distribution tree; Copyright.html can be found at the  *

+ * root level of an installed copy of the electronic HDF5 document set and   *

+ * is linked from the top-level documents page.  It can also be found at     *

+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *

+ * access to either file, you may request a copy from help@hdfgroup.org.     *

+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

+

+/*

+ *  This example illustrates how to create and close a group. 

+ *  It is used in the HDF5 Tutorial.

+ */

+

+#include "hdf5.h"

+#define FILE "group.h5"

+

+int main() {

+

+   hid_t       file_id, group_id;  /* identifiers */

+   herr_t      status;

+

+   /* Create a new file using default properties. */

+   file_id = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Create a group named "/MyGroup" in the file. */

+   group_id = H5Gcreate2(file_id, "/MyGroup", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Close the group. */

+   status = H5Gclose(group_id);

+

+   /* Terminate access to the file. */

+   status = H5Fclose(file_id);

+}

diff --git a/examples/h5_crtgrpar.c b/examples/h5_crtgrpar.c
new file mode 100644
index 0000000..9e6fc40
--- /dev/null
+++ b/examples/h5_crtgrpar.c
@@ -0,0 +1,48 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

+ * Copyright by The HDF Group.                                               *

+ * Copyright by the Board of Trustees of the University of Illinois.         *

+ * All rights reserved.                                                      *

+ *                                                                           *

+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *

+ * terms governing use, modification, and redistribution, is contained in    *

+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *

+ * of the source code distribution tree; Copyright.html can be found at the  *

+ * root level of an installed copy of the electronic HDF5 document set and   *

+ * is linked from the top-level documents page.  It can also be found at     *

+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *

+ * access to either file, you may request a copy from help@hdfgroup.org.     *

+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

+

+/*

+ *  This example illustrates the creation of groups using absolute and 

+ *  relative names.  It is used in the HDF5 Tutorial.

+ */

+

+#include "hdf5.h"

+#define FILE "groups.h5"

+

+int main() {

+

+   hid_t       file_id, group1_id, group2_id, group3_id;  /* identifiers */

+   herr_t      status;

+

+   /* Create a new file using default properties. */

+   file_id = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Create group "MyGroup" in the root group using absolute name. */

+   group1_id = H5Gcreate2(file_id, "/MyGroup", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Create group "Group_A" in group "MyGroup" using absolute name. */

+   group2_id = H5Gcreate2(file_id, "/MyGroup/Group_A", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Create group "Group_B" in group "MyGroup" using relative name. */

+   group3_id = H5Gcreate2(group1_id, "Group_B", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Close groups. */

+   status = H5Gclose(group1_id);

+   status = H5Gclose(group2_id);

+   status = H5Gclose(group3_id);

+

+   /* Close the file. */

+   status = H5Fclose(file_id);

+}

diff --git a/examples/h5_crtgrpd.c b/examples/h5_crtgrpd.c
new file mode 100644
index 0000000..9c45928
--- /dev/null
+++ b/examples/h5_crtgrpd.c
@@ -0,0 +1,91 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

+ * Copyright by The HDF Group.                                               *

+ * Copyright by the Board of Trustees of the University of Illinois.         *

+ * All rights reserved.                                                      *

+ *                                                                           *

+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *

+ * terms governing use, modification, and redistribution, is contained in    *

+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *

+ * of the source code distribution tree; Copyright.html can be found at the  *

+ * root level of an installed copy of the electronic HDF5 document set and   *

+ * is linked from the top-level documents page.  It can also be found at     *

+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *

+ * access to either file, you may request a copy from help@hdfgroup.org.     *

+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

+

+/*

+ *  This example illustrates how to create a dataset in a group.

+ *  It is used in the HDF5 Tutorial.

+ */

+

+#include "hdf5.h"

+#define FILE "groups.h5"

+

+int main() {

+

+   hid_t       file_id, group_id, dataset_id, dataspace_id;  /* identifiers */

+   hsize_t     dims[2];

+   herr_t      status;

+   int         i, j, dset1_data[3][3], dset2_data[2][10];

+

+   /* Initialize the first dataset. */

+   for (i = 0; i < 3; i++)

+      for (j = 0; j < 3; j++)

+         dset1_data[i][j] = j + 1;

+

+   /* Initialize the second dataset. */

+   for (i = 0; i < 2; i++)

+      for (j = 0; j < 10; j++)

+         dset2_data[i][j] = j + 1;

+

+   /* Open an existing file. */

+   file_id = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);

+

+   /* Create the data space for the first dataset. */

+   dims[0] = 3;

+   dims[1] = 3;

+   dataspace_id = H5Screate_simple(2, dims, NULL);

+

+   /* Create a dataset in group "MyGroup". */

+   dataset_id = H5Dcreate2(file_id, "/MyGroup/dset1", H5T_STD_I32BE, dataspace_id,

+                          H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Write the first dataset. */

+   status = H5Dwrite(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,

+                     dset1_data);

+

+   /* Close the data space for the first dataset. */

+   status = H5Sclose(dataspace_id);

+

+   /* Close the first dataset. */

+   status = H5Dclose(dataset_id);

+

+   /* Open an existing group of the specified file. */

+   group_id = H5Gopen2(file_id, "/MyGroup/Group_A", H5P_DEFAULT);

+

+   /* Create the data space for the second dataset. */

+   dims[0] = 2;

+   dims[1] = 10;

+   dataspace_id = H5Screate_simple(2, dims, NULL);

+

+   /* Create the second dataset in group "Group_A". */

+   dataset_id = H5Dcreate2(group_id, "dset2", H5T_STD_I32BE, dataspace_id, 

+                          H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);

+

+   /* Write the second dataset. */

+   status = H5Dwrite(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,

+                     dset2_data);

+

+   /* Close the data space for the second dataset. */

+   status = H5Sclose(dataspace_id);

+

+   /* Close the second dataset */

+   status = H5Dclose(dataset_id);

+

+   /* Close the group. */

+   status = H5Gclose(group_id);

+

+   /* Close the file. */

+   status = H5Fclose(file_id);

+}

+

diff --git a/examples/h5_extend.c b/examples/h5_extend.c
new file mode 100644
index 0000000..105e553
--- /dev/null
+++ b/examples/h5_extend.c
@@ -0,0 +1,146 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ *  This example how to work with extendible datasets. The dataset 
+ *  must be chunked in order to be extendible.
+ * 
+ *  It is used in the HDF5 Tutorial.
+ */
+
+
+#include "hdf5.h"
+
+#define FILENAME    "extend.h5"
+#define DATASETNAME "ExtendibleArray"
+#define RANK         2
+
+int
+main (void)
+{
+    hid_t        file;                          /* handles */
+    hid_t        dataspace, dataset;  
+    hid_t        filespace, memspace;
+    hid_t        prop;                     
+
+    hsize_t      dims[2]  = {3, 3};           /* dataset dimensions at creation time */		
+    hsize_t      maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
+    herr_t       status;                             
+    hsize_t      chunk_dims[2] = {2, 5};
+    int          data[3][3] = { {1, 1, 1},    /* data to write */
+                                {1, 1, 1},
+                                {1, 1, 1} };      
+
+    /* Variables used in extending and writing to the extended portion of dataset */
+    hsize_t      size[2];
+    hsize_t      offset[2];
+    hsize_t      dimsext[2] = {7, 3};         /* extend dimensions */
+    int          dataext[7][3] = { {2, 3, 4}, 
+                                   {2, 3, 4}, 
+                                   {2, 3, 4}, 
+                                   {2, 3, 4}, 
+                                   {2, 3, 4}, 
+                                   {2, 3, 4}, 
+                                   {2, 3, 4} };
+
+    /* Variables used in reading data back */
+    hsize_t      chunk_dimsr[2];
+    hsize_t      dimsr[2];
+    hsize_t      i, j;
+    int          rdata[10][3];
+    herr_t       status_n;                             
+    int          rank, rank_chunk;
+
+    /* Create the data space with unlimited dimensions. */
+    dataspace = H5Screate_simple (RANK, dims, maxdims); 
+
+    /* Create a new file. If file exists its contents will be overwritten. */
+    file = H5Fcreate (FILENAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+
+    /* Modify dataset creation properties, i.e. enable chunking  */
+    prop = H5Pcreate (H5P_DATASET_CREATE);
+    status = H5Pset_chunk (prop, RANK, chunk_dims);
+
+    /* Create a new dataset within the file using chunk 
+       creation properties.  */
+    dataset = H5Dcreate2 (file, DATASETNAME, H5T_NATIVE_INT, dataspace,
+                         H5P_DEFAULT, prop, H5P_DEFAULT);
+
+    /* Write data to dataset */
+    status = H5Dwrite (dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL,
+                       H5P_DEFAULT, data);
+
+    /* Extend the dataset. Dataset becomes 10 x 3  */
+    size[0] = dims[0]+ dimsext[0];
+    size[1] = dims[1];
+    status = H5Dset_extent (dataset, size);
+
+    /* Select a hyperslab in extended portion of dataset  */
+    filespace = H5Dget_space (dataset);
+    offset[0] = 3;
+    offset[1] = 0;
+    status = H5Sselect_hyperslab (filespace, H5S_SELECT_SET, offset, NULL,
+                                  dimsext, NULL);  
+
+    /* Define memory space */
+    memspace = H5Screate_simple (RANK, dimsext, NULL); 
+
+    /* Write the data to the extended portion of dataset  */
+    status = H5Dwrite (dataset, H5T_NATIVE_INT, memspace, filespace,
+                       H5P_DEFAULT, dataext);
+
+    /* Close resources */
+    status = H5Dclose (dataset);
+    status = H5Pclose (prop);
+    status = H5Sclose (dataspace);
+    status = H5Sclose (memspace);
+    status = H5Sclose (filespace);
+    status = H5Fclose (file);
+
+    /********************************************
+     * Re-open the file and read the data back. *
+     ********************************************/
+
+    file = H5Fopen (FILENAME, H5F_ACC_RDONLY, H5P_DEFAULT);
+    dataset = H5Dopen2 (file, DATASETNAME, H5P_DEFAULT);
+
+    filespace = H5Dget_space (dataset);
+    rank = H5Sget_simple_extent_ndims (filespace);
+    status_n = H5Sget_simple_extent_dims (filespace, dimsr, NULL);
+
+    prop = H5Dget_create_plist (dataset);
+
+    if (H5D_CHUNKED == H5Pget_layout (prop)) 
+       rank_chunk = H5Pget_chunk (prop, rank, chunk_dimsr);
+
+    memspace = H5Screate_simple (rank, dimsr, NULL);
+    status = H5Dread (dataset, H5T_NATIVE_INT, memspace, filespace,
+                      H5P_DEFAULT, rdata);
+
+    printf("\n");
+    printf("Dataset: \n");
+    for (j = 0; j < dimsr[0]; j++)
+    {
+       for (i = 0; i < dimsr[1]; i++)
+           printf("%d ", rdata[j][i]);
+       printf("\n");
+    }
+
+    status = H5Pclose (prop);
+    status = H5Dclose (dataset);
+    status = H5Sclose (filespace);
+    status = H5Sclose (memspace);
+    status = H5Fclose (file);
+}
diff --git a/examples/h5_rdwt.c b/examples/h5_rdwt.c
new file mode 100644
index 0000000..d5444e0
--- /dev/null
+++ b/examples/h5_rdwt.c
@@ -0,0 +1,53 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

+ * Copyright by The HDF Group.                                               *

+ * Copyright by the Board of Trustees of the University of Illinois.         *

+ * All rights reserved.                                                      *

+ *                                                                           *

+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *

+ * terms governing use, modification, and redistribution, is contained in    *

+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *

+ * of the source code distribution tree; Copyright.html can be found at the  *

+ * root level of an installed copy of the electronic HDF5 document set and   *

+ * is linked from the top-level documents page.  It can also be found at     *

+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *

+ * access to either file, you may request a copy from help@hdfgroup.org.     *

+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

+

+/* 

+ *  This example illustrates how to write and read data in an existing

+ *  dataset.  It is used in the HDF5 Tutorial.

+ */

+

+#include "hdf5.h"

+#define FILE "dset.h5"

+

+int main() {

+

+   hid_t       file_id, dataset_id;  /* identifiers */

+   herr_t      status;

+   int         i, j, dset_data[4][6];

+

+   /* Initialize the dataset. */

+   for (i = 0; i < 4; i++)

+      for (j = 0; j < 6; j++)

+         dset_data[i][j] = i * 6 + j + 1;

+

+   /* Open an existing file. */

+   file_id = H5Fopen(FILE, H5F_ACC_RDWR, H5P_DEFAULT);

+

+   /* Open an existing dataset. */

+   dataset_id = H5Dopen2(file_id, "/dset", H5P_DEFAULT);

+

+   /* Write the dataset. */

+   status = H5Dwrite(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, 

+                     dset_data);

+

+   status = H5Dread(dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, 

+                    dset_data);

+

+   /* Close the dataset. */

+   status = H5Dclose(dataset_id);

+

+   /* Close the file. */

+   status = H5Fclose(file_id);

+}

diff --git a/examples/h5_subset.c b/examples/h5_subset.c
new file mode 100644
index 0000000..66872ea
--- /dev/null
+++ b/examples/h5_subset.c
@@ -0,0 +1,153 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
+ * access to either file, you may request a copy from help@hdfgroup.org.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/* 
+ *  This example illustrates how to read/write a subset of data (a slab) 
+ *  from/to a dataset in an HDF5 file.  It is used in the HDF5 Tutorial.
+ */
+ 
+#include "hdf5.h"
+
+#define FILE        "subset.h5"
+#define DATASETNAME "IntArray" 
+#define RANK  2
+
+#define DIM0_SUB  3                         /* subset dimensions */ 
+#define DIM1_SUB  4 
+
+
+#define DIM0     8                          /* size of dataset */       
+#define DIM1     10 
+
+int
+main (void)
+{
+    hsize_t     dims[2], dimsm[2];   
+    int         data[DIM0][DIM1];           /* data to write */
+    int         sdata[DIM0_SUB][DIM1_SUB];  /* subset to write */
+    int         rdata[DIM0][DIM1];          /* buffer for read */
+ 
+    hid_t       file_id, dataset_id;        /* handles */
+    hid_t       dataspace_id, memspace_id; 
+
+    herr_t      status;                             
+   
+    hsize_t     count[2];              /* size of subset in the file */
+    hsize_t     offset[2];             /* subset offset in the file */
+    hsize_t     stride[2];
+    hsize_t     block[2];
+    int         i, j;
+
+    
+    /*****************************************************************
+     * Create a new file with default creation and access properties.*
+     * Then create a dataset and write data to it and close the file *
+     * and dataset.                                                  *
+     *****************************************************************/
+
+    file_id = H5Fcreate (FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
+
+    dims[0] = DIM0;
+    dims[1] = DIM1;
+    dataspace_id = H5Screate_simple (RANK, dims, NULL); 
+
+    dataset_id = H5Dcreate2 (file_id, DATASETNAME, H5T_STD_I32BE, dataspace_id,
+                            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
+
+
+    for (j = 0; j < DIM0; j++) {
+	for (i = 0; i < DIM1; i++)
+            if (i< (DIM1/2))
+	       data[j][i] = 1;
+            else
+               data[j][i] = 2;
+    }     
+
+    status = H5Dwrite (dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL,
+                      H5P_DEFAULT, data);
+
+    printf ("\nData Written to File:\n");
+    for (i = 0; i<DIM0; i++){
+       for (j = 0; j<DIM1; j++)
+           printf (" %i", data[i][j]);
+       printf ("\n");
+    }
+    status = H5Sclose (dataspace_id);
+    status = H5Dclose (dataset_id);
+    status = H5Fclose (file_id);
+
+
+    /*****************************************************
+     * Reopen the file and dataset and write a subset of *
+     * values to the dataset. 
+     *****************************************************/
+
+    file_id = H5Fopen (FILE, H5F_ACC_RDWR, H5P_DEFAULT);
+    dataset_id = H5Dopen2 (file_id, DATASETNAME, H5P_DEFAULT);
+
+    /* Specify size and shape of subset to write. */
+
+    offset[0] = 1;
+    offset[1] = 2;
+
+    count[0]  = DIM0_SUB;  
+    count[1]  = DIM1_SUB;
+
+    stride[0] = 1;
+    stride[1] = 1;
+
+    block[0] = 1;
+    block[1] = 1;
+
+    /* Create memory space with size of subset. Get file dataspace 
+       and select subset from file dataspace. */
+
+    dimsm[0] = DIM0_SUB;
+    dimsm[1] = DIM1_SUB;
+    memspace_id = H5Screate_simple (RANK, dimsm, NULL); 
+
+    dataspace_id = H5Dget_space (dataset_id);
+    status = H5Sselect_hyperslab (dataspace_id, H5S_SELECT_SET, offset,
+                                  stride, count, block);
+
+    /* Write a subset of data to the dataset, then read the 
+       entire dataset back from the file.  */
+
+    printf ("\nWrite subset to file specifying:\n");
+    printf ("    offset=1x2 stride=1x1 count=3x4 block=1x1\n");
+    for (j = 0; j < DIM0_SUB; j++) {
+	for (i = 0; i < DIM1_SUB; i++)
+	   sdata[j][i] = 5;
+    }     
+
+    status = H5Dwrite (dataset_id, H5T_NATIVE_INT, memspace_id,
+                       dataspace_id, H5P_DEFAULT, sdata);
+    
+    status = H5Dread (dataset_id, H5T_NATIVE_INT, H5S_ALL, H5S_ALL,
+                       H5P_DEFAULT, rdata);
+
+    printf ("\nData in File after Subset is Written:\n");
+    for (i = 0; i<DIM0; i++){
+       for (j = 0; j<DIM1; j++)
+           printf (" %i", rdata[i][j]);
+       printf ("\n");
+    }
+
+    status = H5Sclose (memspace_id);
+    status = H5Sclose (dataspace_id);
+    status = H5Dclose (dataset_id);
+    status = H5Fclose (file_id);
+ 
+}
diff --git a/examples/run-c-ex.sh.in b/examples/run-c-ex.sh.in
index 8d0bdcd..9b2a2bb 100644
--- a/examples/run-c-ex.sh.in
+++ b/examples/run-c-ex.sh.in
@@ -78,7 +78,25 @@ fi
 # Run tests
 if [ $? -eq 0 ]
 then
-    if (RunTest h5_write &&\
+    if (RunTest h5_crtdat &&\
+        rm h5_crtdat &&\
+        RunTest h5_extend &&\
+        rm h5_extend &&\
+        RunTest h5_rdwt &&\
+        rm h5_rdwt &&\
+        RunTest h5_crtatt &&\
+        rm h5_crtatt &&\
+        RunTest h5_crtgrp &&\
+        rm h5_crtgrp &&\
+        RunTest h5_crtgrpar &&\
+        rm h5_crtgrpar &&\
+        RunTest h5_crtgrpd &&\
+        rm h5_crtgrpd &&\
+        RunTest h5_subset &&\
+        rm h5_subset &&\
+        RunTest h5_cmprss &&\
+        rm h5_cmprss &&\
+        RunTest h5_write &&\
         rm h5_write &&\
         RunTest h5_read &&\
         rm h5_read &&\