[svn-r29924] Description:

    Bring h5format_convert tool from revise_chunks branch to trunk.

Tested on:
    MacoSX/64 10.11.4 (amazon) w/serial, parallel & production
    (h5committest forthcoming)

1 files changed, 661 insertions, 0 deletions

diff --git a/tools/h5format_convert/h5fc_gentest.c b/tools/h5format_convert/h5fc_gentest.c
new file mode 100644
index 0000000..dae57fb
--- /dev/null
+++ b/tools/h5format_convert/h5fc_gentest.c
@@ -0,0 +1,661 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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.     *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Generate the binary hdf5 files for the h5format_convert tests.
+ * Usage: just execute the program without any arguments will
+ * generate all the binary hdf5 files 
+ *
+ * If you regenerate the test files (e.g., changing some code,
+ * trying it on a new platform, ...), you need to verify the correctness
+ * of the expected output and update the corresponding *.ddl files.
+ */
+
+#include "hdf5.h"
+#include "H5private.h"
+
+#define NON_V3_FILE		"h5fc_non_v3.h5"
+#define EDGE_V3_FILE		"h5fc_edge_v3.h5"
+
+const char *FILENAME[] = {
+    "h5fc_ext1_i.h5",	/* 0 */
+    "h5fc_ext1_s.h5",	/* 1 */
+    "h5fc_ext1_f.h5",	/* 2 */
+    "h5fc_ext2_is.h5", 	/* 3 */
+    "h5fc_ext2_if.h5",	/* 4 */
+    "h5fc_ext2_sf.h5", 	/* 5 */
+    "h5fc_ext3_isf.h5",	/* 6 */ 
+    "h5fc_ext_none.h5",	/* 7 */ 
+    NULL
+};
+
+#define GROUP			"GROUP"
+
+#define DSET_COMPACT		"DSET_COMPACT"
+#define DSET_CONTIGUOUS		"DSET_CONTIGUOUS"
+
+#define DSET_EA			"DSET_EA"
+#define DSET_NDATA_EA		"DSET_NDATA_EA"
+#define DSET_BT2		"DSET_BT2"
+#define DSET_NDATA_BT2		"DSET_NDATA_BT2"
+#define DSET_FA			"DSET_FA"
+#define DSET_NDATA_FA		"DSET_NDATA_FA"
+#define DSET_NONE		"DSET_NONE"
+#define DSET_NDATA_NONE		"DSET_NDATA_NONE"
+
+#define DSET_EDGE		"DSET_EDGE"
+
+#define ISTORE_IK  64
+
+/*
+ * Function: gen_non() 
+ *
+ * Create empty file with latest-format--this will result in v3 superbock
+ * Close and re-open file with non-latest-format--v3 superblock will result in latest version support:
+ *	1) 1 chunked dataset with extensible array chunk indexing type (without data)
+ *	2) 1 chunked dataset with version 2 B-tree chunk indexing type (with data)
+ * Re-open the file with write+non-latest-format and create:
+ *	3) 1 chunked dataset with version 2 B-tree chunk indexing type (without data)
+ * 	4) 1 chunked dataset with extensible array indexing type (with data)
+ *	5) 1 compact and 1 contiguous datasets
+ */
+static void
+gen_non(const char *fname)
+{
+    hid_t	fid = -1;		/* file id */
+    hid_t	fcpl = -1;		/* file creation property list */
+    hid_t	fapl = -1;		/* file access property list */
+    hid_t	gid = -1;		/* group id */
+    hid_t   	sid = -1;       	/* space id */
+    hid_t	dcpl = -1;		/* dataset creation property id */
+    hid_t	did1 = -1, did2 = -1;	/* dataset id */
+    hsize_t 	dims1[1] = {10};     	/* dataset dimension */
+    hsize_t 	dims2[2] = {4, 6};     	/* dataset dimension */
+    hsize_t	max_dims[2];		/* maximum dataset dimension */
+    hsize_t 	c_dims[2] = {2, 3};    	/* chunk dimension */
+    int		i;		    	/* local index variable */
+    int     	buf[24];            	/* data buffer */
+
+    if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
+        goto error;
+    if(H5Pset_shared_mesg_nindexes(fcpl, 4) < 0)
+        goto error;
+    if(H5Pset_istore_k(fcpl, 64) < 0)
+        goto error;
+
+    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+	goto error;
+    if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
+	goto error;
+
+    /* Create an empty file with latest-format */
+    if((fid = H5Fcreate(fname, H5F_ACC_TRUNC, fcpl, fapl)) < 0)
+	goto error;
+
+    /* Create a group */
+    if((gid = H5Gcreate2(fid, GROUP, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Create data */
+    for(i = 0; i < 24; i++)
+	buf[i] = i;
+
+    /* Set chunk */
+    if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+	goto error;
+    if(H5Pset_chunk(dcpl, 2, c_dims) < 0)
+	goto error;
+
+    /* 
+     * Create a chunked dataset with extensible array chunk indexing type (without data)
+     */
+
+    /* Create dataspace */
+    max_dims[0] = 10;
+    max_dims[1] = H5S_UNLIMITED;
+    if((sid = H5Screate_simple(2, dims2, max_dims)) < 0)
+	goto error;
+
+    /* Create the dataset */
+    if((did1  = H5Dcreate2(fid, DSET_NDATA_EA, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Dclose(did1) < 0)
+	goto error;
+
+    /* 
+     * Create a chunked dataset with version 2 B-tree chunk indexing type (with data)
+     */
+
+    /* Create dataspace */
+    max_dims[0] = 10;
+    max_dims[0] = H5S_UNLIMITED;
+    max_dims[1] = H5S_UNLIMITED;
+    if((sid = H5Screate_simple(2, dims2, max_dims)) < 0)
+	goto error;
+
+    /* Create the dataset */
+    if((did1  = H5Dcreate2(gid, DSET_BT2, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Write to the dataset */
+    if(H5Dwrite(did1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Dclose(did1) < 0)
+	goto error;
+    if(H5Pclose(dcpl) < 0)
+	goto error;
+    if(H5Gclose(gid) < 0)
+	goto error;
+
+
+    /* Open the group */
+    if((gid = H5Gopen2(fid, GROUP, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /*
+     * Create a dataset with version 2 B-btree chunk indexing type (without data)
+     */
+
+    /* Set chunk */
+    if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+	goto error;
+    if(H5Pset_chunk(dcpl, 2, c_dims) < 0)
+	goto error;
+
+    /* Create dataspace */
+    max_dims[0] = H5S_UNLIMITED;
+    max_dims[1] = H5S_UNLIMITED;
+    if((sid = H5Screate_simple(2, dims2, max_dims)) < 0)
+	goto error;
+
+    /* Create the dataset */
+    if((did1 = H5Dcreate2(fid, DSET_NDATA_BT2, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Close the dataspace */
+    if(H5Sclose(sid) < 0)
+	goto error;
+
+    /*
+     * Create a dataset with extensible array chunk indexing type (with data) in the group
+     */
+
+    /* Create dataspace */
+    max_dims[0] = 10;
+    max_dims[1] = H5S_UNLIMITED;
+    if((sid = H5Screate_simple(2, dims2, max_dims)) < 0)
+	goto error;
+
+    /* Create the dataset */
+    if((did2 = H5Dcreate2(gid, DSET_EA, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Write to the dataset */
+    if(H5Dwrite(did2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Pclose(dcpl) < 0)
+	goto error;
+    if(H5Dclose(did1) < 0)
+	goto error;
+    if(H5Dclose(did2) < 0)
+	goto error;
+
+    /* 
+     * Create a compact dataset in the group
+     */
+
+    /* Create dataspace */
+    if((sid = H5Screate_simple(1, dims1, NULL)) < 0)
+	goto error;
+
+    if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+	goto error;
+    if(H5Pset_layout(dcpl, H5D_COMPACT) < 0)
+	goto error;
+
+    /* Create the dataset */
+    if((did1  = H5Dcreate2(gid, DSET_COMPACT, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Dclose(did1) < 0)
+	goto error;
+    if(H5Pclose(dcpl) < 0)
+	goto error;
+    if(H5Sclose(sid) < 0)
+	goto error;
+
+    /* 
+     * Create a contiguous dataset with (2d with data) in the file
+     */
+    if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+	goto error;
+    if(H5Pset_layout(dcpl, H5D_CONTIGUOUS) < 0)
+	goto error;
+
+    if((sid = H5Screate_simple(2, dims2, NULL)) < 0)
+	goto error;
+
+    /* Create the dataset */
+    if((did2  = H5Dcreate2(fid, DSET_CONTIGUOUS, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
+	goto error;
+    /* Write to the dataset */
+    if(H5Dwrite(did2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Dclose(did2) < 0)
+	goto error;
+    if(H5Pclose(dcpl) < 0)
+	goto error;
+    if(H5Sclose(sid) < 0)
+	goto error;
+
+    if(H5Gclose(gid) < 0)
+	goto error;
+    if(H5Pclose(fcpl) < 0)
+	goto error;
+    if(H5Pclose(fapl) < 0)
+	goto error;
+    if(H5Fclose(fid) < 0)
+	goto error;
+
+error:
+    H5E_BEGIN_TRY {
+        H5Pclose(dcpl);
+        H5Sclose(sid);
+        H5Dclose(did1);
+        H5Dclose(did2);
+        H5Gclose(gid);
+        H5Fclose(fcpl);
+        H5Fclose(fapl);
+        H5Fclose(fid);
+    } H5E_END_TRY;
+
+} /* gen_non() */
+
+/*
+ * Function: gen_edge() 
+ *
+ * Create a file with write+latest-format--this will result in v3 superblock+latest version support:
+ *	A dataset: chunked, filtered, H5D_CHUNK_DONT_FILTER_PARTIAL_CHUNKS enabled
+ *	(i.e. the dataset does not filter partial edge chunks)
+ */
+static void
+gen_edge(const char *fname)
+{
+    hid_t	fid = -1;	    	/* file id */
+    hid_t	fapl = -1;	       	/* file access property list */
+    hid_t   	sid = -1;       	/* dataspace id */
+    hid_t	dcpl = -1;	    	/* dataset creation property id */
+    hid_t	did = -1;		/* dataset id */
+    hsize_t 	dims2[2] = {12, 6};	/* Dataset dimensions */
+    hsize_t 	c_dims[2] = {5, 5};	/* Chunk dimensions */
+    float 	buf[12][6];            	/* Buffer for writing data */
+    int		i, j;		    	/* local index variable */
+
+    /* Create a new format file */
+    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+	goto error;
+    if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
+	goto error;
+    if((fid = H5Fcreate(fname, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
+	goto error;
+
+    /* Set chunk, filter, no-filter-edge-chunk */
+    if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+	goto error;
+    if(H5Pset_chunk(dcpl, 2, c_dims) < 0)
+	goto error;
+    if(H5Pset_deflate(dcpl, 9) < 0)
+        goto error;
+    if(H5Pset_chunk_opts(dcpl, H5D_CHUNK_DONT_FILTER_PARTIAL_CHUNKS) < 0)
+        goto error;
+
+    /* Create dataspace */
+    if((sid = H5Screate_simple(2, dims2, NULL)) < 0)
+        goto error;
+
+    /* Create the dataset */
+    if((did = H5Dcreate2(fid, DSET_EDGE, H5T_NATIVE_FLOAT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+        goto error;
+
+    /* Create data */
+    for (i = 0; i< 12; i++)
+        for (j = 0; j< 6; j++)
+            buf[i][j] = 100.0F;
+
+    /* Write to the dataset */
+    if(H5Dwrite(did, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Pclose(dcpl) < 0)
+	goto error;
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Dclose(did) < 0)
+	goto error;
+    if(H5Pclose(fapl) < 0)
+	goto error;
+    if(H5Fclose(fid) < 0)
+	goto error;
+
+error:
+    H5E_BEGIN_TRY {
+        H5Pclose(dcpl);
+        H5Sclose(sid);
+        H5Dclose(did);
+        H5Fclose(fid);
+        H5Pclose(fapl);
+    } H5E_END_TRY;
+
+} /* gen_edge() */
+
+
+/*
+ * Function: gen_ext() 
+ *
+ * Create a file with/without latest format with:
+ *	1) 1 contiguous dataset (without data)
+ *	2) 2 chunked datasets with extensible array chunk indexing type (with/without data)
+ *	3) 2 chunked datasets with version 2 B-tree chunk indexing type (with/without data)
+ *	4) 2 chunked datasets with fixed array chunk indexing type (with/without data)
+ *	5) 2 chunked datasets with implicit array chunk indexing type (with/without data)
+ * It will create the file with/without messages in the superblock extension depending
+ * on the parameter "what".
+ */
+static void
+gen_ext(const char *fname, unsigned latest, unsigned what)
+{
+    hid_t	fid = -1;	 	/* file id */
+    hid_t	fapl = -1;	       	/* file access property list */
+    hid_t	fcpl = -1;	       	/* file creation property list */
+    hid_t	gid = -1;	       	/* group id */
+    hid_t   	sid = -1;       	/* space id */
+    hid_t	dcpl = -1;	    	/* dataset creation property id */
+    hid_t	did1 = -1, did2 = -1;	/* dataset id */
+    hsize_t 	dims1[1] = {10};     	/* dataset dimension */
+    hsize_t 	dims2[2] = {4, 6};     	/* dataset dimension */
+    hsize_t	max_dims[2];		/* maximum dataset dimension */
+    hsize_t 	c_dims[2] = {2, 3};    	/* chunk dimension */
+    int		i;		    	/* local index variable */
+    int     	buf[24];            	/* data buffer */
+
+    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+	goto error;
+
+    if(latest)
+	/* Create a new format file */
+	if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
+	    goto error;
+
+    /* Create a file creation property list */
+    fcpl = H5Pcreate(H5P_FILE_CREATE);
+
+    /* Generate messages that might be placed in superblock extension */
+    switch(what) {
+	case 0:
+	    H5Pset_istore_k(fcpl, ISTORE_IK);
+	    break;
+	case 1:
+	    H5Pset_shared_mesg_nindexes(fcpl, 4);
+	    break;
+	case 2:
+	    H5Pset_file_space(fcpl, H5F_FILE_SPACE_ALL_PERSIST, (hsize_t)0);
+	    break;
+	case 3:
+	    H5Pset_istore_k(fcpl, ISTORE_IK);
+	    H5Pset_shared_mesg_nindexes(fcpl, 4);
+	    break;
+	case 4:
+	    H5Pset_istore_k(fcpl, ISTORE_IK);
+	    H5Pset_file_space(fcpl, H5F_FILE_SPACE_DEFAULT, (hsize_t)2);
+	    break;
+	case 5:
+	    H5Pset_shared_mesg_nindexes(fcpl, 4);
+	    H5Pset_file_space(fcpl, H5F_FILE_SPACE_VFD, (hsize_t)0);
+	    break;
+	case 6:
+	    H5Pset_istore_k(fcpl, ISTORE_IK);
+	    H5Pset_shared_mesg_nindexes(fcpl, 4);
+	    H5Pset_file_space(fcpl, H5F_FILE_SPACE_AGGR_VFD, (hsize_t)0);
+	    break;
+	default:
+	    break;
+    }
+
+    /* Create the file */
+    if((fid = H5Fcreate(fname, H5F_ACC_TRUNC, fcpl, fapl)) < 0)
+	goto error;
+
+    /* Create a group */
+    if((gid = H5Gcreate2(fid, GROUP, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Set chunk */
+    if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+	goto error;
+    if(H5Pset_chunk(dcpl, 2, c_dims) < 0)
+	goto error;
+
+
+    /* 
+     * Create a contiguous dataset 
+     */
+
+    /* Create dataspace */
+    if((sid = H5Screate_simple(1, dims1, NULL)) < 0)
+	goto error;
+
+    /* Create the dataset */
+    if((did1  = H5Dcreate2(fid, DSET_CONTIGUOUS, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Dclose(did1) < 0)
+	goto error;
+
+    /* 
+     * Create 2 chunked datasets with extensible array chunk indexing type 
+     * (one with data; one without data)
+     */
+
+    /* Create dataspace */
+    max_dims[0] = 10;
+    max_dims[1] = H5S_UNLIMITED;
+    if((sid = H5Screate_simple(2, dims2, max_dims)) < 0)
+	goto error;
+
+    /* Create the 2 datasets */
+    if((did1  = H5Dcreate2(gid, DSET_NDATA_EA, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    if((did2  = H5Dcreate2(fid, DSET_EA, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Create data */
+    for(i = 0; i < 24; i++)
+	buf[i] = i;
+
+    /* Write to one dataset */
+    if(H5Dwrite(did2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Dclose(did1) < 0)
+	goto error;
+    if(H5Dclose(did2) < 0)
+	goto error;
+
+
+    /* 
+     * Create 2 chunked datasets with version 2 B-tree chunk indexing type 
+     * (one with data; one without data)
+     */
+
+    /* Create dataspace */
+    max_dims[0] = 10;
+    max_dims[0] = H5S_UNLIMITED;
+    max_dims[1] = H5S_UNLIMITED;
+    if((sid = H5Screate_simple(2, dims2, max_dims)) < 0)
+	goto error;
+
+    /* Create the 2 datasets */
+    if((did1  = H5Dcreate2(fid, DSET_NDATA_BT2, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    if((did2  = H5Dcreate2(gid, DSET_BT2, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Write to one dataset */
+    if(H5Dwrite(did2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Dclose(did1) < 0)
+	goto error;
+    if(H5Dclose(did2) < 0)
+	goto error;
+
+    /*
+     * Create 2 chunked datasets with fixed array chunk indexing type 
+     * (one with data; one without data)
+     */
+
+    /* Create dataspace */
+    max_dims[0] = 20;
+    max_dims[1] = 10;
+    if((sid = H5Screate_simple(2, dims2, max_dims)) < 0)
+	goto error;
+
+    /* Create the datasets */
+    if((did1  = H5Dcreate2(fid, DSET_FA, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    if((did2  = H5Dcreate2(gid, DSET_NDATA_FA, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Write to the dataset */
+    if(H5Dwrite(did1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Sclose(sid) < 0)
+	goto error;
+    if(H5Dclose(did1) < 0)
+	goto error;
+    if(H5Dclose(did2) < 0)
+	goto error;
+
+
+    /* 
+     * Create 2 chunked datasets with implicit chunk indexing type 
+     * (one with data; one without data)
+     */
+
+    /* Create dataspace */
+    if((sid = H5Screate_simple(2, dims2, NULL)) < 0)
+	goto error;
+
+    /* Set early allocation */
+    if(H5Pset_alloc_time(dcpl, H5D_ALLOC_TIME_EARLY) < 0)
+	goto error;
+
+    /* Create the 2 datasets */
+    if((did1  = H5Dcreate2(fid, DSET_NONE, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    if((did2  = H5Dcreate2(gid, DSET_NDATA_NONE, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+	goto error;
+
+    /* Write to one dataset */
+    if(H5Dwrite(did1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+	goto error;
+
+    /* Closing */
+    if(H5Dclose(did1) < 0)
+	goto error;
+    if(H5Dclose(did2) < 0)
+	goto error;
+    if(H5Sclose(sid) < 0)
+	goto error;
+
+    if(H5Pclose(dcpl) < 0)
+	goto error;
+    if(H5Gclose(gid) < 0)
+	goto error;
+    if(H5Fclose(fid) < 0)
+	goto error;
+
+error:
+    H5E_BEGIN_TRY {
+        H5Pclose(dcpl);
+        H5Sclose(sid);
+        H5Dclose(did1);
+        H5Dclose(did2);
+        H5Gclose(gid);
+        H5Fclose(fid);
+        H5Pclose(fapl);
+        H5Pclose(fcpl);
+    } H5E_END_TRY;
+
+} /* gen_ext() */
+
+int main(void)
+{
+    unsigned i, latest;
+
+    /* Generate a non-latest-format file with v3 superblock */
+    gen_non(NON_V3_FILE);
+
+    /* Generate a new format file with a no-filter-edge-chunk dataset */
+    gen_edge(EDGE_V3_FILE);
+
+    /* Generate old/new format file with/without messages in the superblock extension */
+    for(latest = FALSE; latest <= TRUE; latest++) {
+	for(i = 0; i < 8; i++) {
+            char filename[50];
+
+	    HDmemset(filename, 0, sizeof(filename));
+	    if(!latest)
+		HDstrcat(filename, "old_");
+	    HDstrcat(filename, FILENAME[i]);
+
+	    gen_ext(filename, latest, i);
+	}
+    } /* end for latest */
+
+    return 0;
+}
+