mirror of
https://github.com/HDFGroup/hdf5.git
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112 lines
3.7 KiB
C
112 lines
3.7 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Purpose: Create a dataset compressed with the deflate filter.
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* This program is used to create the test file `tdeflate.h5'
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* which has a dataset compressed with the "deflate" I/O filter.
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* This dataset will be used to verify the correct behavior of
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* the library when a filter is not available for a dataset which
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* requires it.
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*/
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#include "h5test.h"
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#define TESTFILE "deflate.h5"
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/* 2-D dataset with fixed dimensions */
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#define SPACE_RANK 2
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#define SPACE_DIM1 100
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#define SPACE_DIM2 200
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#define CHUNK_DIM1 50
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#define CHUNK_DIM2 50
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/*-------------------------------------------------------------------------
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* Function: main
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*
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* Return: EXIT_SUCCESS/EXIT_FAILURE
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*
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*-------------------------------------------------------------------------
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*/
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int
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main(void)
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{
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hid_t fid = H5I_INVALID_HID, sid = H5I_INVALID_HID, did = H5I_INVALID_HID, dcpl_id = H5I_INVALID_HID;
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hsize_t dims[SPACE_RANK] = {SPACE_DIM1, SPACE_DIM2};
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hsize_t chunk_dims[SPACE_RANK] = {CHUNK_DIM1, CHUNK_DIM2};
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size_t i, j; /* Local index variables */
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int *data = NULL; /* Dataset data */
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/* Initialize the data */
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/* (Try for something easily compressible) */
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if (NULL == (data = (int *)malloc(SPACE_DIM1 * SPACE_DIM2 * sizeof(int))))
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TEST_ERROR;
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for (i = 0; i < SPACE_DIM1; i++)
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for (j = 0; j < SPACE_DIM2; j++)
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data[(i * SPACE_DIM2) + j] = (int)(j % 5);
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/* Create the file */
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if ((fid = H5Fcreate(TESTFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
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FAIL_STACK_ERROR;
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/* Create the dataspace */
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if ((sid = H5Screate_simple(SPACE_RANK, dims, NULL)) < 0)
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FAIL_STACK_ERROR;
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/* Create the dataset creation property list */
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if ((dcpl_id = H5Pcreate(H5P_DATASET_CREATE)) < 0)
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FAIL_STACK_ERROR;
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/* Set up for deflated data */
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if (H5Pset_chunk(dcpl_id, 2, chunk_dims) < 0)
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FAIL_STACK_ERROR;
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if (H5Pset_deflate(dcpl_id, 9) < 0)
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FAIL_STACK_ERROR;
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/* Create the compressed dataset */
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if ((did = H5Dcreate2(fid, "Dataset1", H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl_id, H5P_DEFAULT)) < 0)
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FAIL_STACK_ERROR;
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/* Write the data to the dataset */
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if (H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data) < 0)
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FAIL_STACK_ERROR;
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/* Close everything */
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if (H5Pclose(dcpl_id) < 0)
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FAIL_STACK_ERROR;
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if (H5Dclose(did) < 0)
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FAIL_STACK_ERROR;
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if (H5Sclose(sid) < 0)
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FAIL_STACK_ERROR;
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if (H5Fclose(fid) < 0)
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FAIL_STACK_ERROR;
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free(data);
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return EXIT_SUCCESS;
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error:
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if (data)
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free(data);
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H5E_BEGIN_TRY
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{
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H5Pclose(dcpl_id);
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H5Dclose(did);
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H5Sclose(sid);
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H5Fclose(fid);
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}
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H5E_END_TRY
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return EXIT_FAILURE;
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} /* end main() */
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