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127 lines
4.3 KiB
C
127 lines
4.3 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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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 files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Purpose: This program is run to generate an HDF5 data file with datasets
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* that use Fixed Array indexing method.
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*
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* To test compatibility, compile and run this program
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* which will generate a file called "fixed_idx.h5".
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* Move it to the test directory in the HDF5 v1.6/1.8 source tree.
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* The test: test_idx_compatible() in dsets.c will read it.
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*/
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#include <assert.h>
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#include "hdf5.h"
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const char *FILENAME[1] = {
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"fixed_idx.h5" /* file with datasets that use Fixed Array indexing method */
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};
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#define DSET "dset"
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#define DSET_FILTER "dset_filter"
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/*
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* Function: gen_idx_file
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*
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* Purpose: Create a file with datasets that use Fixed Array indexing:
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* one dataset: fixed dimension, chunked layout, w/o filters
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* one dataset: fixed dimension, chunked layout, w/ filters
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*
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*/
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static void gen_idx_file(void)
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{
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hid_t fapl; /* file access property id */
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hid_t fid; /* file id */
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hid_t sid; /* space id */
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hid_t dcpl; /* dataset creation property id */
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hid_t did, did2; /* dataset id */
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hsize_t dims[1] = {10}; /* dataset dimension */
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hsize_t c_dims[1] = {2}; /* chunk dimension */
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herr_t status; /* return status */
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int i; /* local index variable */
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int buf[10]; /* data buffer */
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/* Get a copy of the file aaccess property */
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fapl = H5Pcreate(H5P_FILE_ACCESS);
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assert(fapl >= 0);
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/* Set the "use the latest format" bounds for creating objects in the file */
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status = H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST);
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assert(status >= 0);
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/* Create dataset */
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fid = H5Fcreate(FILENAME[0], H5F_ACC_TRUNC, H5P_DEFAULT, fapl);
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assert(fid >= 0);
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/* Create data */
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for(i = 0; i < 10; i++)
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buf[i] = i;
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/* Set chunk */
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dcpl = H5Pcreate(H5P_DATASET_CREATE);
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assert(dcpl >= 0);
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status = H5Pset_chunk(dcpl, 1, c_dims);
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assert(status >= 0);
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sid = H5Screate_simple(1, dims, NULL);
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assert(sid >= 0);
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/* Create a 1D dataset */
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did = H5Dcreate2(fid, DSET, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT);
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assert(did >= 0);
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/* Write to the dataset */
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status = H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
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assert(status >= 0);
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#if defined (H5_HAVE_FILTER_DEFLATE)
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/* set deflate data */
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status = H5Pset_deflate(dcpl, 9);
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assert(status >= 0);
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/* Create and write the dataset */
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did2 = H5Dcreate2(fid, DSET_FILTER, H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT);
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assert(did2 >= 0);
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status = H5Dwrite(did2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
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assert(status >= 0);
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/* Close the dataset */
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status = H5Dclose(did2);
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assert(status >= 0);
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#endif
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/* closing */
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status = H5Dclose(did);
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assert(status >= 0);
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status = H5Sclose(sid);
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assert(status >= 0);
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status = H5Pclose(dcpl);
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assert(status >= 0);
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status = H5Pclose(fapl);
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assert(status >= 0);
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status = H5Fclose(fid);
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assert(status >= 0);
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} /* gen_idx_file() */
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int main(void)
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{
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gen_idx_file();
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return 0;
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}
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