hdf5/test/gen_file_image.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Friday, March 30, 2012
*
* Purpose: Create a simple file for use with the file image tests.
*
*/
#include "hdf5.h"
#define TESTFILE "file_image_core_test.h5"
/* 2-D dataset with fixed dimensions */
#define SPACE_RANK 2
#define SPACE_DIM1 128
#define SPACE_DIM2 32
/* Dataset data */
int data[SPACE_DIM1][SPACE_DIM2];
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose:
*
* Return: Success:
*
* Failure:
*
* Programmer: Quincey Koziol
* Friday, March 30, 2012
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t file, space, dset;
hsize_t dims[SPACE_RANK] = {SPACE_DIM1, SPACE_DIM2};
size_t i, j; /* Local index variables */
/* Initialize the data */
for(i = 0; i < SPACE_DIM1; i++)
for(j = 0; j < SPACE_DIM2; j++)
data[i][j] = (int)(j % 5);
/* Create the file */
file = H5Fcreate(TESTFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
if(file < 0)
printf("file < 0!\n");
/* Create the dataspace */
space = H5Screate_simple(SPACE_RANK, dims, NULL);
if(space < 0)
printf("space < 0!\n");
/* Create the compressed dataset */
dset = H5Dcreate2(file, "Dataset1", H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
if(dset < 0)
printf("dset < 0!\n");
/* Write the data to the dataset */
if(H5Dwrite(dset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data) < 0)
printf("H5Dwrite() failed!\n");
/* Close everything */
if(H5Dclose(dset) < 0)
printf("H5Dclose() failed!\n");
if(H5Sclose(space) < 0)
printf("H5Sclose() failed!\n");
if(H5Fclose(file) < 0)
printf("H5Fclose() failed!\n");
return 0;
}