hdf5/hl/examples/ex_lite2.c

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include "hdf5.h"
#include "hdf5_hl.h"

int
main(void)
{
    hid_t   file_id;
    int     data[6];
    hsize_t dims[2];
    size_t  i, j, nrow, n_values;

    /* open file from ex_lite1.c */
    file_id = H5Fopen("ex_lite1.h5", H5F_ACC_RDONLY, H5P_DEFAULT);

    /* read dataset */
    H5LTread_dataset_int(file_id, "/dset", data);

    /* get the dimensions of the dataset */
    H5LTget_dataset_info(file_id, "/dset", dims, NULL, NULL);

    /* print it by rows */
    n_values = (size_t)(dims[0] * dims[1]);
    nrow     = (size_t)dims[1];
    for (i = 0; i < n_values / nrow; i++) {
        for (j = 0; j < nrow; j++)
            printf("  %d", data[i * nrow + j]);
        printf("\n");
    }

    /* close file */
    H5Fclose(file_id);

    return 0;
}