netcdf-c/h5_test/tst_h_ints.c
2011-11-14 04:20:19 +00:00

66 lines
2.0 KiB
C

/* This is part of the netCDF package. Copyright 2010 University
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
conditions of use.
This program does some HDF5 string stuff.
Here's a HDF5 sample programs:
http://hdf.ncsa.uiuc.edu/training/other-ex5/sample-programs/strings.c
*/
#include "h5_err_macros.h"
#include <hdf5.h>
#define FILE_NAME "tst_h_ints.h5"
int
main()
{
printf("\n*** Checking HDF5 integer dataset with extension.\n");
printf("*** checking 1D int dataset with extend...");
{
/* Misspelling is deliberite. Please dont correct. */
#define INTERGERS "Intergers"
#define NUM_STR 1
#define NDIMS 1
hid_t fileid, grpid, spaceid;
hid_t datasetid, plistid;
hsize_t dims[NDIMS] = {NUM_STR}, max_dims[NDIMS] = {H5S_UNLIMITED};
hsize_t chunk_dims[NDIMS] = {1};
hsize_t xtend_size[NDIMS] = {2};
int data[NUM_STR] = {42};
int empty = -42;
/* Create the file, open root group. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen2(fileid, "/", H5P_DEFAULT)) < 0) ERR;
/* Create a space for the dataset. */
if ((spaceid = H5Screate_simple(1, dims, max_dims)) < 0) ERR;
/* Create the dataset. */
if ((plistid = H5Pcreate(H5P_DATASET_CREATE)) < 0) ERR;
if (H5Pset_chunk(plistid, 1, chunk_dims) < 0) ERR;
if (H5Pset_fill_value(plistid, H5T_NATIVE_INT32, &empty) < 0) ERR;
if ((datasetid = H5Dcreate1(grpid, INTERGERS, H5T_NATIVE_INT32,
spaceid, plistid)) < 0) ERR;
/* Now extend the dataset. */
if (H5Dextend(datasetid, xtend_size) < 0) ERR;
if (H5Dwrite(datasetid, H5T_NATIVE_INT, spaceid, spaceid,
H5P_DEFAULT, &data) < 0) ERR;
/* Close up. */
if (H5Dclose(datasetid) < 0) ERR;
if (H5Pclose(plistid) < 0) ERR;
if (H5Sclose(spaceid) < 0) ERR;
if (H5Gclose(grpid) < 0) ERR;
if (H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}