1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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>
* Saturday, April 17, 2004
*
* Purpose: Create a dataset with a null dataspace and an attribute
* with a null dataspace.
* This program is used to create the test file `tnullspace.h5' which
* has dataspaces stored in the newer (version 2) style in the object headers.
* To build the test file, this program MUST be compiled and linked with
* the hdf5-1.7+ series of libraries and the generated test file must be
* put into the 'test' directory in the 1.6.x branch of the library.
*/
#include <assert.h>
#include "testhdf5.h"
#define NULLFILE "tnullspace.h5"
#define NULLDATASET "null_dataset"
#define NULLATTR "null_attribute"
int
main(void)
{
hid_t fid; /* File ID */
hid_t gid; /* Group ID */
hid_t sid; /* Dataspace ID */
hid_t did; /* Dataset ID */
hid_t attr; /* Attribute ID */
herr_t H5_ATTR_NDEBUG_UNUSED ret; /* Generic return value */
/* Create the file */
fid = H5Fcreate(NULLFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
assert(fid>0);
sid = H5Screate(H5S_NULL);
assert(sid>0);
/* Create dataset */
did = H5Dcreate2(fid, NULLDATASET, H5T_NATIVE_UINT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
assert(did>0);
/* Close the dataset */
ret = H5Dclose(did);
assert(ret>=0);
/* Open the root group */
gid = H5Gopen2(fid, "/", H5P_DEFAULT);
assert(gid > 0);
/* Create an attribute for the group */
attr = H5Acreate2(gid, NULLATTR, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT);
assert(attr > 0);
/* Close attribute */
ret = H5Aclose(attr);
assert(ret>=0);
/* Close the group */
ret = H5Gclose(gid);
assert(ret>=0);
/* Close the dataspace */
ret = H5Sclose(sid);
assert(ret>=0);
/* Close the file */
ret = H5Fclose(fid);
assert(ret>=0);
return 0;
}
|
