1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
2  * Copyright by The HDF Group.                                               *
3  * Copyright by the Board of Trustees of the University of Illinois.         *
4  * All rights reserved.                                                      *
5  *                                                                           *
6  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
7  * terms governing use, modification, and redistribution, is contained in    *
8  * the COPYING file, which can be found at the root of the source code       *
9  * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
10  * If you do not have access to either file, you may request a copy from     *
11  * help@hdfgroup.org.                                                        *
12  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
13 
14 #include "hdf5.h"
15 #include <assert.h>
16 
17 #define NELMTS(X)    	(sizeof(X)/sizeof(X[0]))	/* # of elements */
18 
19 const char *FILENAMES[] = {
20     "fsm_aggr_nopersist.h5",	/* H5F_FSPACE_STRATEGY_FSM_AGGR + not persisting free-space */
21     "fsm_aggr_persist.h5",		/* H5F_FSPACE_STRATEGY_FSM_AGGR + persisting free-space */
22     "paged_nopersist.h5",	    /* H5F_FSPACE_STRATEGY_PAGE + not persisting free-space */
23     "paged_persist.h5",		    /* H5F_FSPACE_STRATEGY_PAGE + persisting free-space */
24     "aggr.h5",	                /* H5F_FSPACE_STRATEGY_AGGR */
25     "none.h5"		            /* H5F_FSPACE_STRATEGY_NONE */
26 };
27 
28 #define DATASET		"dset"
29 #define NUM_ELMTS	100
30 #define FALSE		0
31 #define TRUE		1
32 #define INC_ENUM(TYPE,VAR) (VAR)=((TYPE)((VAR)+1))
33 
34 /*
35  * Compile and run this program in the trunk to generate
36  * HDF5 files with combinations of 4 file space strategies
37  * and persist/not persist free-space.
38  * The library creates the file space info message with "mark if unknown"
39  * in these files.
40  *
41  * Move these files to 1.8 branch for compatibility testing:
42  * test_filespace_compatible() in test/tfile.c will use these files.
43  *
44  * Copy these files from the 1.8 branch back to the trunk for
45  * compatibility testing via test_filespace_round_compatible() in test/tfile.c.
46  *
47  */
main(void)48 int main(void)
49 {
50     hid_t fid = -1;         /* File ID */
51     hid_t fcpl = -1;        /* File creation property list */
52     hid_t did = -1;         /* Dataset ID */
53     hid_t sid = -1;		    /* Dataspace ID */
54     hsize_t dim[1];			/* Dimension sizes */
55     int data[NUM_ELMTS];	/* Buffer for data */
56     int i, j;			    /* Local index variables */
57     H5F_fspace_strategy_t fs_strategy;	/* File space handling strategy */
58     unsigned fs_persist;     /* Persisting free-space or not */
59 
60     j = 0;
61     for(fs_strategy = H5F_FSPACE_STRATEGY_FSM_AGGR; fs_strategy < H5F_FSPACE_STRATEGY_NTYPES; INC_ENUM(H5F_fspace_strategy_t, fs_strategy)) {
62         for(fs_persist = FALSE; fs_persist <= TRUE; fs_persist++) {
63 
64             if(fs_persist && fs_strategy >= H5F_FSPACE_STRATEGY_AGGR)
65                 continue;
66 
67             /* Get a copy of the default file creation property */
68             if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
69                 goto error;
70 
71             if(H5Pset_file_space_strategy(fcpl, fs_strategy, fs_persist, (hsize_t)1) < 0)
72                 goto error;
73 
74             /* Create the file with the file space info */
75             if((fid = H5Fcreate(FILENAMES[j], H5F_ACC_TRUNC, fcpl, H5P_DEFAULT)) < 0)
76                 goto error;
77 
78             /* Create the dataset */
79             dim[0] = NUM_ELMTS;
80             if((sid = H5Screate_simple(1, dim, NULL)) < 0)
81                 goto error;
82             if((did = H5Dcreate2(fid, DATASET, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
83                 goto error;
84 
85             for(i = 0; i < NUM_ELMTS; i++)
86                 data[i] = i;
87 
88             /* Write the dataset */
89             if(H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data) < 0)
90                 goto error;
91 
92             /* Closing */
93             if(H5Dclose(did) < 0)
94                 goto error;
95             if(H5Sclose(sid) < 0)
96                 goto error;
97             if(H5Fclose(fid) < 0)
98                 goto error;
99             if(H5Pclose(fcpl) < 0)
100                 goto error;
101             ++j;
102         }
103     }
104     assert(j == NELMTS(FILENAMES));
105 
106     return 0;
107 
108 error:
109     H5E_BEGIN_TRY {
110         H5Sclose(sid);
111         H5Sclose(did);
112         H5Pclose(fcpl);
113         H5Fclose(fid);
114     } H5E_END_TRY;
115     return -1;
116 }
117