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
|
/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Wednesday, April 15, 1998
*
* Purpose: Data compression message.
*/
#include <H5private.h>
#include <H5Eprivate.h>
#include <H5MMprivate.h>
#include <H5Oprivate.h>
#define PABLO_MASK H5O_comp_mask
/* PRIVATE PROTOTYPES */
static herr_t H5O_comp_encode (H5F_t *f, uint8 *p, const void *mesg);
static void *H5O_comp_decode (H5F_t *f, const uint8 *p, H5HG_t *hobj);
static void *H5O_comp_copy (const void *_mesg, void *_dest);
static size_t H5O_comp_size (H5F_t *f, const void *_mesg);
static herr_t H5O_comp_reset (void *_mesg);
static herr_t H5O_comp_debug (H5F_t *f, const void *_mesg,
FILE * stream, intn indent, intn fwidth);
/* This message derives from H5O */
const H5O_class_t H5O_COMPRESS[1] = {{
H5O_COMPRESS_ID, /* message id number */
"compression", /* message name for debugging */
sizeof(H5O_compress_t), /* native message size */
H5O_comp_decode, /* decode message */
H5O_comp_encode, /* encode message */
H5O_comp_copy, /* copy the native value */
H5O_comp_size, /* size of raw message */
H5O_comp_reset, /* reset method */
NULL, /* share method */
H5O_comp_debug, /* debug the message */
}};
/* Interface initialization */
static hbool_t interface_initialize_g = FALSE;
#define INTERFACE_INIT NULL
/*-------------------------------------------------------------------------
* Function: H5O_comp_decode
*
* Purpose: Decodes a compression message.
*
* Return: Success: Ptr to the native message.
*
* Failure: NULL
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void *
H5O_comp_decode(H5F_t __unused__ *f, const uint8 *p, H5HG_t __unused__ *hobj)
{
H5O_compress_t *comp = NULL;
FUNC_ENTER(H5O_comp_decode, NULL);
/* check args */
assert(p);
/* Decode */
comp = H5MM_xcalloc(1, sizeof *comp);
comp->method = *p++;
comp->flags = *p++;
UINT16DECODE (p, comp->cd_size);
if (comp->cd_size>0) {
comp->client_data = H5MM_xmalloc (comp->cd_size);
HDmemcpy (comp->client_data, p, comp->cd_size);
}
FUNC_LEAVE(comp);
}
/*-------------------------------------------------------------------------
* Function: H5O_comp_encode
*
* Purpose: Encodes message MESG into buffer P.
*
* Return: Success: SUCCEED
*
* Failure: FAIL
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_comp_encode (H5F_t __unused__ *f, uint8 *p/*out*/, const void *mesg)
{
const H5O_compress_t *comp = (const H5O_compress_t*)mesg;
FUNC_ENTER (H5O_comp_encode, FAIL);
/* Check args */
assert (p);
assert (mesg);
*p++ = comp->method;
*p++ = comp->flags;
UINT16ENCODE (p, comp->cd_size);
if (comp->cd_size) {
HDmemcpy (p, comp->client_data, comp->cd_size);
}
FUNC_LEAVE (SUCCEED);
}
/*-------------------------------------------------------------------------
* Function: H5O_comp_copy
*
* Purpose: Copies a compression message from SRC to DST allocating DST
* if necessary. If DST is already allocated then we assume
* that it isn't initialized.
*
* Return: Success: Ptr to DST or allocated result.
*
* Failure: NULL
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void *
H5O_comp_copy (const void *_src, void *_dst/*out*/)
{
const H5O_compress_t *src = (const H5O_compress_t *)_src;
H5O_compress_t *dst = (H5O_compress_t *)_dst;
FUNC_ENTER (H5O_comp_copy, NULL);
if (!dst) dst = H5MM_xmalloc (sizeof *dst);
*dst = *src;
if (src->cd_size>0) {
dst->client_data = H5MM_xmalloc (src->cd_size);
HDmemcpy (dst->client_data, src->client_data, src->cd_size);
}
FUNC_LEAVE (dst);
}
/*-------------------------------------------------------------------------
* Function: H5O_comp_size
*
* Purpose: Determines the size of a raw compression message.
*
* Return: Success: Size of message.
*
* Failure: zero
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static size_t
H5O_comp_size (H5F_t __unused__ *f, const void *mesg)
{
const H5O_compress_t *comp = (const H5O_compress_t*)mesg;
FUNC_ENTER (H5O_comp_size, 0);
FUNC_LEAVE (4+comp->cd_size);
}
/*-------------------------------------------------------------------------
* Function: H5O_comp_reset
*
* Purpose: Resets a compression message by freeing the client data and
* setting all fields to zero. The MESG buffer is not freed.
*
* Return: Success: SUCCEED
*
* Failure: FAIL
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_comp_reset (void *mesg)
{
H5O_compress_t *comp = (H5O_compress_t*)mesg;
FUNC_ENTER (H5O_comp_reset, FAIL);
assert (comp);
H5MM_xfree (comp->client_data);
HDmemset (comp, 0, sizeof *comp);
FUNC_LEAVE (SUCCEED);
}
/*-------------------------------------------------------------------------
* Function: H5O_comp_debug
*
* Purpose: Prints debugging information for compression message MESG on
* output stream STREAM. Each line is indented INDENT
* characters and the field name takes up FWIDTH characters.
*
* Return: Success: SUCCEED
*
* Failure: FAIL
*
* Programmer: Robb Matzke
* Wednesday, April 15, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_comp_debug (H5F_t __unused__ *f, const void *mesg, FILE *stream,
intn indent, intn fwidth)
{
const H5O_compress_t *comp = (const H5O_compress_t *)mesg;
size_t i, j;
FUNC_ENTER(H5O_comp_debug, FAIL);
/* check args */
assert(f);
assert(comp);
assert(stream);
assert(indent >= 0);
assert(fwidth >= 0);
fprintf (stream, "%*s%-*s %d\n", indent, "", fwidth,
"Method:",
(int)(comp->method));
fprintf (stream, "%*s%-*s 0x%02x\n", indent, "", fwidth,
"Flags:",
(unsigned)(comp->flags));
fprintf (stream, "%*s%-*s %lu\n", indent, "", fwidth,
"Size of client data:",
(unsigned long)(comp->cd_size));
if (comp->cd_size>0) {
fprintf (stream, "%*s%s\n", indent, "", "Client Data:");
for (i=0; i<comp->cd_size; i+=16) {
fprintf (stream, "%*s%04d: ", indent+3, "", i);
for (j=0; j<16; j++) {
if (8==j) putc (' ', stream);
if (i+j<comp->cd_size) {
fprintf (stream, "%02x ", comp->client_data[i+j]);
} else {
fputs (" ", stream);
}
}
for (j=0; j<16 && i+j<comp->cd_size; j++) {
if (8==j) putc (' ', stream);
if (comp->client_data[i+j]>' ' &&
comp->client_data[i+j]<='~') {
putc (comp->client_data[i+j], stream);
} else {
putc ('.', stream);
}
putc ('\n', stream);
}
}
} else {
fprintf (stream, "%*s%-*s None\n", indent, "", fwidth, "Client Data:");
}
FUNC_LEAVE(SUCCEED);
}
|
