summaryrefslogtreecommitdiffstats
path: root/src/H5Osdspace.c
blob: cb079fa90b810df6fc114a4ffd449da07efb8361 (plain)
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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
/****************************************************************************
* NCSA HDF                                                                 *
* Software Development Group                                               *
* National Center for Supercomputing Applications                          *
* University of Illinois at Urbana-Champaign                               *
* 605 E. Springfield, Champaign IL 61820                                   *
*                                                                          *
* For conditions of distribution and use, see the accompanying             *
* hdf/COPYING file.                                                        *
*                                                                          *
****************************************************************************/

#ifdef RCSID
static char             RcsId[] = "@(#)$Revision$";
#endif

/* $Id$ */

#include <H5private.h>
#include <H5Eprivate.h>
#include <H5Gprivate.h>
#include <H5MMprivate.h>
#include <H5Oprivate.h>

#define PABLO_MASK      H5O_sdspace_mask

/* PRIVATE PROTOTYPES */
static void *H5O_sdspace_decode(H5F_t *f, const uint8 *p, H5HG_t *hobj);
static herr_t H5O_sdspace_encode(H5F_t *f, uint8 *p, const void *_mesg);
static void *H5O_sdspace_copy(const void *_mesg, void *_dest);
static size_t H5O_sdspace_size(H5F_t *f, const void *_mesg);
static herr_t H5O_sdspace_debug(H5F_t *f, const void *_mesg,
				FILE * stream, intn indent, intn fwidth);

/* This message derives from H5O */
const H5O_class_t H5O_SDSPACE[1] = {{
    H5O_SDSPACE_ID,         /* message id number                    */
    "simple_dspace",        /* message name for debugging           */
    sizeof(H5S_simple_t),   /* native message size                  */
    H5O_sdspace_decode,     /* decode message                       */
    H5O_sdspace_encode,     /* encode message                       */
    H5O_sdspace_copy,       /* copy the native value                */
    H5O_sdspace_size,       /* size of symbol table entry           */
    NULL,                   /* default reset method                 */
    NULL,		    /* no share method 			    */
    H5O_sdspace_debug,      /* debug the message                    */
}};

/* Is the interface initialized? */
static hbool_t interface_initialize_g = FALSE;
#define INTERFACE_INIT NULL

/*--------------------------------------------------------------------------
 NAME
    H5O_sdspace_decode
 PURPOSE
    Decode a simple dimensionality message and return a pointer to a memory
        struct with the decoded information
 USAGE
    void *H5O_sdspace_decode(f, raw_size, p)
        H5F_t *f;         IN: pointer to the HDF5 file struct
        size_t raw_size;        IN: size of the raw information buffer
        const uint8 *p;         IN: the raw information buffer
 RETURNS
    Pointer to the new message in native order on success, NULL on failure
 DESCRIPTION
        This function decodes the "raw" disk form of a simple dimensionality
    message into a struct in memory native format.  The struct is allocated
    within this function using malloc() and is returned to the caller.
--------------------------------------------------------------------------*/
static void *
H5O_sdspace_decode(H5F_t __unused__ *f, const uint8 *p,
		   H5HG_t __unused__ *hobj)
{
    H5S_simple_t	*sdim = NULL;/* New simple dimensionality structure */
    intn                u;  		/* local counting variable */
    uintn		flags;
    
    FUNC_ENTER(H5O_sdspace_decode, NULL);

    /* check args */
    assert(f);
    assert(p);
    assert (!hobj || !H5HG_defined (hobj));

    /* decode */
    if ((sdim = H5MM_xcalloc(1, sizeof(H5S_simple_t))) != NULL) {
        UINT32DECODE(p, sdim->rank);
        UINT32DECODE(p, flags);
        if (sdim->rank > 0) {
            sdim->size = H5MM_xmalloc(sizeof(sdim->size[0]) * sdim->rank);
            for (u = 0; u < sdim->rank; u++)
                UINT32DECODE(p, sdim->size[u]);
            if (flags & 0x01) {
                sdim->max = H5MM_xmalloc(sizeof(sdim->max[0]) * sdim->rank);
                for (u = 0; u < sdim->rank; u++)
                    UINT32DECODE(p, sdim->max[u]);
            }
            if (flags & 0x02) {
                sdim->perm = H5MM_xmalloc(sizeof(sdim->perm[0]) * sdim->rank);
                for (u = 0; u < sdim->rank; u++)
                    UINT32DECODE(p, sdim->perm[u]);
            }
        }
    }
    
#ifdef LATER
  done:
#endif /* LATER */
    if (sdim == NULL) {         /* Error condition cleanup */

    }
    /* Normal function cleanup */
    FUNC_LEAVE(sdim);
}

/*--------------------------------------------------------------------------
 NAME
    H5O_sdspace_encode
 PURPOSE
    Encode a simple dimensionality message 
 USAGE
    herr_t H5O_sdspace_encode(f, raw_size, p, mesg)
        H5F_t *f;         IN: pointer to the HDF5 file struct
        size_t raw_size;        IN: size of the raw information buffer
        const uint8 *p;         IN: the raw information buffer
        const void *mesg;       IN: Pointer to the simple dimensionality struct
 RETURNS
    SUCCEED/FAIL
 DESCRIPTION
        This function encodes the native memory form of the simple
    dimensionality message in the "raw" disk form.
--------------------------------------------------------------------------*/
static herr_t
H5O_sdspace_encode(H5F_t __unused__ *f, uint8 *p, const void *mesg)
{
    const H5S_simple_t  *sdim = (const H5S_simple_t *) mesg;
    intn                u;  /* Local counting variable */
    uintn		flags = 0;

    FUNC_ENTER(H5O_sdspace_encode, FAIL);

    /* check args */
    assert(f);
    assert(p);
    assert(sdim);

    /* set flags */
    if (sdim->max) flags |= 0x01;
    if (sdim->perm) flags |= 0x02;

    /* encode */
    UINT32ENCODE(p, sdim->rank);
    UINT32ENCODE(p, flags);
    if (sdim->rank > 0) {
        for (u = 0; u < sdim->rank; u++)
            UINT32ENCODE(p, sdim->size[u]);
        if (flags & 0x01) {
            for (u = 0; u < sdim->rank; u++)
                UINT32ENCODE(p, sdim->max[u]);
        }
        if (flags & 0x02) {
            for (u = 0; u < sdim->rank; u++)
                UINT32ENCODE(p, sdim->perm[u]);
        }
    }
    FUNC_LEAVE(SUCCEED);
}

/*--------------------------------------------------------------------------
 NAME
    H5O_sdspace_copy
 PURPOSE
    Copies a message from MESG to DEST, allocating DEST if necessary.
 USAGE
    void *H5O_sdspace_copy(mesg, dest)
        const void *mesg;       IN: Pointer to the source simple dimensionality struct
        const void *dest;       IN: Pointer to the destination simple dimensionality struct
 RETURNS
    Pointer to DEST on success, NULL on failure
 DESCRIPTION
        This function copies a native (memory) simple dimensionality message,
    allocating the destination structure if necessary.
--------------------------------------------------------------------------*/
static void            *
H5O_sdspace_copy(const void *mesg, void *dest)
{
    const H5S_simple_t     *src = (const H5S_simple_t *) mesg;
    H5S_simple_t           *dst = (H5S_simple_t *) dest;

    FUNC_ENTER(H5O_sdspace_copy, NULL);

    /* check args */
    assert(src);
    if (!dst)
        dst = H5MM_xcalloc(1, sizeof(H5S_simple_t));

    /* deep copy -- pointed-to values are copied also */
    HDmemcpy(dst, src, sizeof(H5S_simple_t));
    
    if (src->size) {
        dst->size = H5MM_xcalloc(src->rank, sizeof(src->size[0]));
	HDmemcpy (dst->size, src->size, src->rank*sizeof(src->size[0]));
    }
    if (src->max) {
        dst->max = H5MM_xcalloc(src->rank, sizeof(src->max[0]));
	HDmemcpy (dst->max, src->max, src->rank*sizeof(src->max[0]));
    }
    if (src->perm) {
        dst->perm = H5MM_xcalloc(src->rank, sizeof(src->perm[0]));
	HDmemcpy (dst->perm, src->perm, src->rank*sizeof(src->perm[0]));
    }

    FUNC_LEAVE((void *) dst);
}

/*--------------------------------------------------------------------------
 NAME
    H5O_sdspace_size
 PURPOSE
    Return the raw message size in bytes
 USAGE
    void *H5O_sdspace_copy(f, mesg)
        H5F_t *f;         IN: pointer to the HDF5 file struct
        const void *mesg;       IN: Pointer to the source simple dimensionality struct
 RETURNS
    Size of message on success, zero on failure
 DESCRIPTION
        This function returns the size of the raw simple dimensionality message on
    success.  (Not counting the message type or size fields, only the data
    portion of the message).  It doesn't take into account alignment.
--------------------------------------------------------------------------*/
static size_t
H5O_sdspace_size(H5F_t __unused__ *f, const void *mesg)
{
    const H5S_simple_t     *sdim = (const H5S_simple_t *) mesg;
    size_t                  ret_value = 8;      /* all dimensionality messages are at least 8 bytes long (rank and flags) */

    FUNC_ENTER(H5O_sim_dtype_size, 0);

    ret_value += sdim->rank * 4;        /* add in the dimension sizes */
    ret_value += sdim->max ? sdim->rank * 4 : 0;       /* add in the space for the maximum dimensions, if they are present */
    ret_value += sdim->perm ? sdim->rank * 4 : 0;       /* add in the space for the dimension permutations, if they are present */

    FUNC_LEAVE(ret_value);
}

/*--------------------------------------------------------------------------
 NAME
    H5O_sdspace_debug
 PURPOSE
    Prints debugging information for a simple dimensionality message
 USAGE
    void *H5O_sdspace_debug(f, mesg, stream, indent, fwidth)
        H5F_t *f;         IN: pointer to the HDF5 file struct
        const void *mesg;       IN: Pointer to the source simple dimensionality struct
        FILE *stream;           IN: Pointer to the stream for output data
        intn indent;            IN: Amount to indent information by
        intn fwidth;            IN: Field width (?)
 RETURNS
    SUCCEED/FAIL
 DESCRIPTION
        This function prints debugging output to the stream passed as a 
    parameter.
--------------------------------------------------------------------------*/
static herr_t
H5O_sdspace_debug(H5F_t __unused__ *f, const void *mesg,
		  FILE * stream, intn indent, intn fwidth)
{
    const H5S_simple_t     *sdim = (const H5S_simple_t *) mesg;
    intn                    u;  /* local counting variable */

    FUNC_ENTER(H5O_sdspace_debug, FAIL);

    /* check args */
    assert(f);
    assert(sdim);
    assert(stream);
    assert(indent >= 0);
    assert(fwidth >= 0);

    fprintf(stream, "%*s%-*s %lu\n", indent, "", fwidth,
            "Rank:",
            (unsigned long) (sdim->rank));
    
    fprintf(stream, "%*s%-*s {", indent, "", fwidth, "Dim Size:");
    for (u = 0; u < sdim->rank; u++) {
	fprintf (stream, "%s%lu", u?", ":"", (unsigned long)(sdim->size[u]));
    }
    fprintf (stream, "}\n");
    
    fprintf(stream, "%*s%-*s ", indent, "", fwidth, "Dim Max:");
    if (sdim->max) {
	fprintf (stream, "{");
        for (u = 0; u < sdim->rank; u++) {
	    if (H5S_UNLIMITED==sdim->max[u]) {
		fprintf (stream, "%sINF", u?", ":"");
	    } else {
		fprintf (stream, "%s%lu", u?", ":"",
			 (unsigned long) (sdim->max[u]));
	    }
	}
	fprintf (stream, "}\n");
    } else {
	fprintf (stream, "CONSTANT\n");
    }

    if (sdim->perm) {
	fprintf(stream, "%*s%-*s {", indent, "", fwidth, "Dim Perm:");
	for (u = 0; u < sdim->rank; u++) {
	    fprintf (stream, "%s%lu", u?", ":"",
		     (unsigned long) (sdim->perm[u]));
	}
    }

    FUNC_LEAVE(SUCCEED);
}