netcdf-c/h5_test/tst_h_opaques.c
2018-12-04 17:03:56 -07:00

59 lines
1.5 KiB
C

/* This is part of the netCDF package. Copyright 2018 University
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
conditions of use.
This program excersizes HDF5 variable length array code.
*/
#include "h5_err_macros.h"
#include <hdf5.h>
#define FILE_NAME "tst_h_opaques.h5"
#define DIM1_LEN 3
#define ATT_NAME "att_name"
#define SIZE 9
int
main()
{
hid_t fileid, grpid, spaceid, typeid, attid;
hsize_t dims[1] = {DIM1_LEN};
char data[DIM1_LEN][SIZE];
int i, j;
/* size_t size;*/
/* Create some phoney data. */
for (i = 0; i < DIM1_LEN; i++)
for (j = 0; j < SIZE; j++)
data[i][j] = 0;
printf("\n*** Checking HDF5 opaque types.\n");
printf("*** Checking simple HDF5 opaque types...");
/* Open file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, "grp1", 0)) < 0) ERR;
/* Create opaque type. */
if ((typeid = H5Tcreate(H5T_OPAQUE, SIZE)) < 0) ERR;
/* The size is rouned up to ?. */
/*if (!(size = H5Tget_size(typeid))) ERR;
if (size != 8) ERR;*/
/* Write an attribute of this type. */
if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR;
if ((attid = H5Acreate(grpid, ATT_NAME, typeid, spaceid,
H5P_DEFAULT)) < 0) ERR;
if (H5Awrite(attid, typeid, data) < 0) ERR;
if (H5Aclose(attid) < 0) ERR;
if (H5Tclose(typeid) < 0) ERR;
if (H5Gclose(grpid) < 0) ERR;
if (H5Fclose(fileid) < 0) ERR;
SUMMARIZE_ERR;
FINAL_RESULTS;
}