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https://github.com/Unidata/netcdf-c.git
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66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/* This is part of the netCDF package. Copyright 2018 University
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Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
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conditions of use.
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This program does some HDF5 string stuff.
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Here's a HDF5 sample programs:
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http://hdf.ncsa.uiuc.edu/training/other-ex5/sample-programs/strings.c
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*/
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#include "h5_err_macros.h"
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#include <hdf5.h>
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#define FILE_NAME "tst_h_ints.h5"
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int
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main()
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{
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printf("\n*** Checking HDF5 integer dataset with extension.\n");
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printf("*** checking 1D int dataset with extend...");
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{
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/* Misspelling is deliberate. Please dont correct. */
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#define INTERGERS "Intergers"
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#define NUM_STR 1
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#define NDIMS 1
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hid_t fileid, grpid, spaceid;
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hid_t datasetid, plistid;
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hsize_t dims[NDIMS] = {NUM_STR}, max_dims[NDIMS] = {H5S_UNLIMITED};
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hsize_t chunk_dims[NDIMS] = {1};
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hsize_t xtend_size[NDIMS] = {2};
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int data[NUM_STR] = {42};
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int empty = -42;
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/* Create the file, open root group. */
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if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
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H5P_DEFAULT)) < 0) ERR;
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if ((grpid = H5Gopen2(fileid, "/", H5P_DEFAULT)) < 0) ERR;
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/* Create a space for the dataset. */
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if ((spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
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/* Create the dataset. */
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if ((plistid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
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if (H5Pset_chunk(plistid, 1, chunk_dims) < 0) ERR;
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if (H5Pset_fill_value(plistid, H5T_NATIVE_INT32, &empty) < 0) ERR;
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if ((datasetid = H5Dcreate1(grpid, INTERGERS, H5T_NATIVE_INT32,
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spaceid, plistid)) < 0) ERR;
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/* Now extend the dataset. */
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if (H5Dextend(datasetid, xtend_size) < 0) ERR;
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if (H5Dwrite(datasetid, H5T_NATIVE_INT, spaceid, spaceid,
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H5P_DEFAULT, &data) < 0) ERR;
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/* Close up. */
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if (H5Dclose(datasetid) < 0) ERR;
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if (H5Pclose(plistid) < 0) ERR;
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if (H5Sclose(spaceid) < 0) ERR;
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if (H5Gclose(grpid) < 0) ERR;
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if (H5Fclose(fileid) < 0) ERR;
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}
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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