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/* This is part of the netCDF package. Copyright 2005 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_vl.h5"
#define DIM1_LEN 3
#define ATT_NAME "att_name"
#define GROUP_NAME "grp1"
int
main()
{
printf("\n*** Checking HDF5 VLEN types.\n");
printf("*** Checking simple HDF5 variable length types...");
{
hid_t fileid, grpid, spaceid, typeid, attid;
hsize_t dims[1] = {DIM1_LEN};
hvl_t data[DIM1_LEN], data_in[DIM1_LEN];
int *phoney;
int i, j;
size_t size;
/* Create some phoney data, an array of struct s1, which holds a
* pointer to a variable length array of int. */
for (i=0; i<DIM1_LEN; i++)
{
if (!(phoney = malloc(sizeof(int) * (i+1)))) ERR;
for (j=0; j<i+1; j++)
phoney[j] = -99;
data[i].p = phoney;
data[i].len = i+1;
}
/* Open file. */
if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gcreate(fileid, GROUP_NAME, 0)) < 0) ERR;
/* Create VLEN type. */
if ((typeid = H5Tvlen_create(H5T_NATIVE_INT)) < 0) ERR;
/* Although it's a vlen of ints, the size is rouned up to 8. */
if (!(size = H5Tget_size(typeid))) ERR;
if (size < 8) ERR;
/* Write an attribute of this vlen 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;
/* Reopen the file and read the vlen data. */
if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDONLY, H5P_DEFAULT)) < 0) ERR;
if ((grpid = H5Gopen(fileid, GROUP_NAME)) < 0) ERR;
if ((attid = H5Aopen_name(grpid, ATT_NAME)) < 0) ERR;
if ((spaceid = H5Aget_space(attid)) < 0) ERR;
if ((typeid = H5Aget_type(attid)) < 0) ERR;
if (H5Aread(attid, typeid, data_in) < 0) ERR;
/* Check the data */
for (i=0; i<DIM1_LEN; i++)
{
if (data[i].len != i+1) ERR;
for (j = 0; j < i+1; j++)
if (((int *)(data[i].p))[j] != -99) ERR;
}
/* Free the memory allocated above. */
for (i=0; i<DIM1_LEN; i++)
free(data[i].p);
/* HDF5 allocated memory to store the data. Free that memory. */
if (H5Dvlen_reclaim(typeid, spaceid, H5P_DEFAULT, data_in) < 0) ERR;
/* Close everything. */
if (H5Aclose(attid) < 0 ||
H5Sclose(spaceid) < 0 ||
H5Tclose(typeid) < 0 ||
H5Gclose(grpid) < 0 ||
H5Fclose(fileid) < 0) ERR;
}
SUMMARIZE_ERR;
/* printf("*** Checking array of compound holding a vlen..."); */
/* { */
/* hid_t vlen_typeid, compound_typeid, spaceid, datasetid; */
/* struct sea_sounding */
/* { */
/* int sounding_no; */
/* hvl_t temp_vl; */
/* } data[DIM1_LEN]; */
/* float *phoney; */
/* int i, j; */
/* /\* Create phoney data. *\/ */
/* for (i=0; i<DIM1_LEN; i++) */
/* { */
/* if (!(phoney = malloc(sizeof(float) * (i+1)))) ERR; */
/* for (j=0; j<i+1; j++) */
/* phoney[j] = 23.5 - j; */
/* data[i].temp_vl.p = phoney; */
/* data[i].temp_vl.len = i+1; */
/* } */
/* /\* Create file. *\/ */
/* if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, */
/* H5P_DEFAULT)) < 0) ERR; */
/* if ((grpid = H5Gcreate(fileid, "grp1", 0)) < 0) ERR; */
/* /\* Create VLEN type. *\/ */
/* if ((vlen_typeid = H5Tvlen_create(H5T_NATIVE_FLOAT)) < 0) ERR; */
/* /\* Create a compound type that holds the vlen type. *\/ */
/* if ((compound_typeid = H5Tcreate(H5T_COMPOUND, */
/* sizeof(struct sea_sounding))) < 0) ERR; */
/* if (H5Tinsert(compound_typeid, "sounding_no", HOFFSET(struct sea_sounding, sounding_no), */
/* H5T_NATIVE_INT) < 0) ERR; */
/* if (H5Tinsert(compound_typeid, "temp_vl", HOFFSET(struct sea_sounding, temp_vl), */
/* vlen_typeid) < 0) ERR; */
/* if (H5Tcommit(grpid, "sea_sounding_type", compound_typeid) < 0) ERR; */
/* if ((spaceid = H5Screate_simple(1, dims, NULL)) < 0) ERR; */
/* if ((datasetid = H5Dcreate(grpid, "sea_sounding_dataset", compound_typeid, */
/* spaceid, H5P_DEFAULT)) < 0) ERR; */
/* if (H5Dwrite(datasetid, compound_typeid, H5S_ALL, H5S_ALL, H5P_DEFAULT, */
/* data) < 0) ERR; */
/* if (H5Dclose(datasetid) < 0) ERR; */
/* if (H5Tclose(compound_typeid) < 0) ERR; */
/* if (H5Tclose(vlen_typeid) < 0) ERR; */
/* if (H5Sclose(spaceid) < 0) ERR; */
/* if (H5Gclose(grpid) < 0) ERR; */
/* if (H5Fclose(fileid) < 0) ERR; */
/* } */
/* SUMMARIZE_ERR; */
FINAL_RESULTS;
}
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