hdf5_ep

​

    /* Increase the size of the data space */

    space = dataset->shared->space;

    if((changed = H5S_extend(space, size)) < 0)

    HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to increase size of data space")

​

    /* Updated the dataset's info if the dataspace was successfully extended */

    if(changed) {

        /* Update the index values for the cached chunks for this dataset */

            if(H5D_chunk_update_cache(dataset, dxpl_id) < 0)

                HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "unable to update cached chunk indices")

​

    /* Allocate space for the new parts of the dataset, if appropriate */

        fill = &dataset->shared->dcpl_cache.fill;

        if(fill->alloc_time == H5D_ALLOC_TIME_EARLY)

            if(H5D_alloc_storage(dataset, dxpl_id, H5D_ALLOC_EXTEND, FALSE) < 0)

                HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize dataset with fill value")

​

        /* Mark the dataspace as dirty, for later writing to the file */

        dataset->shared->space_dirty = TRUE;

    } /* end if */