/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:  Pedro Vicente <pvn@ncsa.uiuc.edu>
 *              Thursday, March 25, 2004
 *
 * Purpose:	Create a dataset with the fletcher filter.
 *	This program is used to create the test file `test_filters.h5' which has
 *      a dataset with the "fletcher" I/O filter.  This dataset will
 *      be used to verify the correct behavior of the library in the test "dsets"
 */
#include "hdf5.h"

#define TESTFILE   "test_filters.h5"


static herr_t
test_filters_endianess(void)
{
#if defined H5_HAVE_FILTER_FLETCHER32
    hid_t     fid = -1;              /* file ID */
    hid_t     dsid = -1;             /* dataset ID */
    hid_t     sid = -1;              /* dataspace ID */
    hid_t     dcpl = -1;             /* dataset creation property list ID */
    hsize_t   dims[1] = {20};        /* dataspace dimensions */
    hsize_t   chunk_dims[1] = {10};  /* chunk dimensions */
    int       buf[20];
    int       rank = 1;
    int       i;

    for(i = 0; i < 20; i++)
        buf[i] = 1;

    /* create a file using default properties */
    if((fid = H5Fcreate(TESTFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) goto error;

    /* create a data space */
    if((sid = H5Screate_simple(rank, dims, NULL)) < 0) goto error;

    /* create dcpl  */
    if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
    if(H5Pset_chunk(dcpl, rank, chunk_dims) < 0) goto error;

    if(H5Pset_fletcher32(dcpl) < 0) goto error;

    /* create a dataset */
    if((dsid = H5Dcreate(fid, "dset", H5T_NATIVE_INT, sid, dcpl)) < 0) goto error;

    if(H5Dwrite(dsid, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0) goto error;

    /* close */
    if(H5Pclose(dcpl) < 0) goto error;
    if(H5Dclose(dsid) < 0) goto error;
    if(H5Sclose(sid) < 0) goto error;
    if(H5Fclose(fid) < 0) goto error;

#endif /* H5_HAVE_FILTER_FLETCHER32 */
    return 0;

#if defined H5_HAVE_FILTER_FLETCHER32
error:
    H5E_BEGIN_TRY {
        H5Pclose(dcpl);
        H5Dclose(dsid);
        H5Sclose(sid);
        H5Fclose(fid);
    } H5E_END_TRY;
    return -1;
#endif /* H5_HAVE_FILTER_FLETCHER32 */
} /* end test_filters_endianess() */




/*-------------------------------------------------------------------------
 * Function:	main
 *
 * Purpose:	call the generator function
 *
 * Return:	Success:
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
   test_filters_endianess();
   return 0;
}