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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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* 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>
* Oct 24, 2005
*
* Purpose: This program is run to generate an HDF5 data file with both
* empty and compact groups.
*
* To test compatibility between v1.6 and v1.7, compile and run
* this program, it will generate a file called "group_new.h5".
* You need to move it to the test directory in the HDF5 v1.6
* source tree. The test/stab.c program will read it.
*
*/
#include "hdf5.h"
#define FILENAME "group_new.h5"
int main(void)
{
hid_t fid = -1; /* File ID */
hid_t fapl = -1; /* File access property list ID */
hid_t fcpl = -1; /* File creation property list ID */
hid_t gid = -1; /* Group creation property list ID */
hid_t sid = -1; /* Dataspace ID */
hid_t did = -1; /* Dataset ID */
/* Create file creation property list */
if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0) goto error;
/* Adjust group creation parameters for root group */
/* (So that it is created in "dense storage" form) */
if(H5Pset_link_phase_change(fcpl, 0, 0) < 0) goto error;
/* Copy the file access property list */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) goto error;
/* Set the "use the latest version of the format" bounds for creating objects in the file */
if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) goto error;
/* Create file for test groups */
if((fid = H5Fcreate(FILENAME, H5F_ACC_TRUNC, fcpl, fapl)) <0) goto error;
/* Close file access property list */
if(H5Pclose(fapl) < 0) goto error;
/* Close file creation property list */
if(H5Pclose(fcpl) < 0) goto error;
/* Create dataspace for datasets */
if((sid = H5Screate(H5S_SCALAR)) < 0) goto error;
/* Create empty group (w/default group creation properties) */
if((gid = H5Gcreate2(fid, "empty", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) goto error;
if(H5Gclose(gid) < 0) goto error;
/* Create group which will contain link messages (w/default group creation properties) */
if((gid = H5Gcreate2(fid, "links", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) goto error;
/* Create dataset in group */
if((did = H5Dcreate2(gid, "dset1", H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) goto error;
if(H5Dclose(did)<0) goto error;
/* Create second dataset in group */
if((did = H5Dcreate2(gid, "dset2", H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) goto error;
if(H5Dclose(did)<0) goto error;
/* Close dataspace */
if(H5Sclose(sid) < 0) goto error;
/* Close group */
if(H5Gclose(gid) < 0) goto error;
/* Close file */
if(H5Fclose(fid) < 0) goto error;
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(did);
H5Sclose(sid);
H5Gclose(gid);
H5Pclose(fcpl);
H5Pclose(fapl);
H5Fclose(fid);
} H5E_END_TRY;
return 1;
}
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