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
318
|
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_KORR_H
#define DRIZZLED_KORR_H
/*
* Define-functions for reading and storing in machine independent format
* (low byte first)
*
* No one seems to know what "korr" means in this context. A global search
* and replace would be fine if someone can come up with a better description
*/
/* Optimized store functions for Intel x86 */
#if defined(__i386__)
#define sint2korr(A) (*((int16_t *) (A)))
#define sint3korr(A) ((int32_t) ((((unsigned char) (A)[2]) & 128) ? \
(((uint32_t) 255L << 24) | \
(((uint32_t) (unsigned char) (A)[2]) << 16) | \
(((uint32_t) (unsigned char) (A)[1]) << 8) | \
((uint32_t) (unsigned char) (A)[0])) : \
(((uint32_t) (unsigned char) (A)[2]) << 16) | \
(((uint32_t) (unsigned char) (A)[1]) << 8) | \
((uint32_t) (unsigned char) (A)[0])))
#define sint4korr(A) (*((long *) (A)))
#define uint2korr(A) (*((uint16_t *) (A)))
#if defined(HAVE_purify)
#define uint3korr(A) (uint32_t) (((uint32_t) ((unsigned char) (A)[0])) +\
(((uint32_t) ((unsigned char) (A)[1])) << 8) +\
(((uint32_t) ((unsigned char) (A)[2])) << 16))
#else
/*
ATTENTION !
Please, note, uint3korr reads 4 bytes (not 3) !
It means, that you have to provide enough allocated space !
*/
#define uint3korr(A) (long) (*((unsigned int *) (A)) & 0xFFFFFF)
#endif /* HAVE_purify */
#define uint4korr(A) (*((uint32_t *) (A)))
#define uint5korr(A) ((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) +\
(((uint32_t) ((unsigned char) (A)[1])) << 8) +\
(((uint32_t) ((unsigned char) (A)[2])) << 16) +\
(((uint32_t) ((unsigned char) (A)[3])) << 24)) +\
(((uint64_t) ((unsigned char) (A)[4])) << 32))
#define uint6korr(A) ((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) + \
(((uint32_t) ((unsigned char) (A)[1])) << 8) + \
(((uint32_t) ((unsigned char) (A)[2])) << 16) + \
(((uint32_t) ((unsigned char) (A)[3])) << 24)) + \
(((uint64_t) ((unsigned char) (A)[4])) << 32) + \
(((uint64_t) ((unsigned char) (A)[5])) << 40))
#define uint8korr(A) (*((uint64_t *) (A)))
#define sint8korr(A) (*((int64_t *) (A)))
#define int2store(T,A) *((uint16_t*) (T))= (uint16_t) (A)
#define int3store(T,A) do { *(T)= (unsigned char) ((A));\
*(T+1)=(unsigned char) (((uint32_t) (A) >> 8));\
*(T+2)=(unsigned char) (((A) >> 16)); } while (0)
#define int4store(T,A) *((long *) (T))= (long) (A)
#define int5store(T,A) do { *(T)= (unsigned char)((A));\
*((T)+1)=(unsigned char) (((A) >> 8));\
*((T)+2)=(unsigned char) (((A) >> 16));\
*((T)+3)=(unsigned char) (((A) >> 24)); \
*((T)+4)=(unsigned char) (((A) >> 32)); } while(0)
#define int6store(T,A) do { *(T)= (unsigned char)((A)); \
*((T)+1)=(unsigned char) (((A) >> 8)); \
*((T)+2)=(unsigned char) (((A) >> 16)); \
*((T)+3)=(unsigned char) (((A) >> 24)); \
*((T)+4)=(unsigned char) (((A) >> 32)); \
*((T)+5)=(unsigned char) (((A) >> 40)); } while(0)
#define int8store(T,A) *((uint64_t *) (T))= (uint64_t) (A)
typedef union {
double v;
long m[2];
} doubleget_union;
#define doubleget(V,M) \
do { doubleget_union _tmp; \
_tmp.m[0] = *((long*)(M)); \
_tmp.m[1] = *(((long*) (M))+1); \
(V) = _tmp.v; } while(0)
#define doublestore(T,V) do { *((long *) T) = ((doubleget_union *)&V)->m[0]; \
*(((long *) T)+1) = ((doubleget_union *)&V)->m[1]; \
} while (0)
#define float4get(V,M) do { *((float *) &(V)) = *((float*) (M)); } while(0)
#define float8get(V,M) doubleget((V),(M))
#define float4store(V,M) memcpy(V, (&M), sizeof(float))
#define floatstore(T,V) memcpy((T), (&V), sizeof(float))
#define floatget(V,M) memcpy(&V, (M), sizeof(float))
#define float8store(V,M) doublestore((V),(M))
#else
/*
We're here if it's not a IA-32 architecture (Win32 and UNIX IA-32 defines
were done before)
*/
#define sint2korr(A) (int16_t) (((int16_t) ((unsigned char) (A)[0])) +\
((int16_t) ((int16_t) (A)[1]) << 8))
#define sint3korr(A) ((int32_t) ((((unsigned char) (A)[2]) & 128) ? \
(((uint32_t) 255L << 24) | \
(((uint32_t) (unsigned char) (A)[2]) << 16) |\
(((uint32_t) (unsigned char) (A)[1]) << 8) | \
((uint32_t) (unsigned char) (A)[0])) : \
(((uint32_t) (unsigned char) (A)[2]) << 16) |\
(((uint32_t) (unsigned char) (A)[1]) << 8) | \
((uint32_t) (unsigned char) (A)[0])))
#define sint4korr(A) (int32_t) (((int32_t) ((unsigned char) (A)[0])) +\
(((int32_t) ((unsigned char) (A)[1]) << 8)) +\
(((int32_t) ((unsigned char) (A)[2]) << 16)) +\
(((int32_t) ((int16_t) (A)[3]) << 24)))
#define sint8korr(A) (int64_t) uint8korr(A)
#define uint2korr(A) (uint16_t) (((uint16_t) ((unsigned char) (A)[0])) +\
((uint16_t) ((unsigned char) (A)[1]) << 8))
#define uint3korr(A) (uint32_t) (((uint32_t) ((unsigned char) (A)[0])) +\
(((uint32_t) ((unsigned char) (A)[1])) << 8) +\
(((uint32_t) ((unsigned char) (A)[2])) << 16))
#define uint4korr(A) (uint32_t) (((uint32_t) ((unsigned char) (A)[0])) +\
(((uint32_t) ((unsigned char) (A)[1])) << 8) +\
(((uint32_t) ((unsigned char) (A)[2])) << 16) +\
(((uint32_t) ((unsigned char) (A)[3])) << 24))
#define uint5korr(A) ((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) +\
(((uint32_t) ((unsigned char) (A)[1])) << 8) +\
(((uint32_t) ((unsigned char) (A)[2])) << 16) +\
(((uint32_t) ((unsigned char) (A)[3])) << 24)) +\
(((uint64_t) ((unsigned char) (A)[4])) << 32))
#define uint6korr(A) ((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) + \
(((uint32_t) ((unsigned char) (A)[1])) << 8) + \
(((uint32_t) ((unsigned char) (A)[2])) << 16) + \
(((uint32_t) ((unsigned char) (A)[3])) << 24)) + \
(((uint64_t) ((unsigned char) (A)[4])) << 32) + \
(((uint64_t) ((unsigned char) (A)[5])) << 40))
#define uint8korr(A) ((uint64_t)(((uint32_t) ((unsigned char) (A)[0])) +\
(((uint32_t) ((unsigned char) (A)[1])) << 8) +\
(((uint32_t) ((unsigned char) (A)[2])) << 16) +\
(((uint32_t) ((unsigned char) (A)[3])) << 24)) +\
(((uint64_t) (((uint32_t) ((unsigned char) (A)[4])) +\
(((uint32_t) ((unsigned char) (A)[5])) << 8) +\
(((uint32_t) ((unsigned char) (A)[6])) << 16) +\
(((uint32_t) ((unsigned char) (A)[7])) << 24))) <<\
32))
#define int2store(T,A) do { uint32_t def_temp= (uint32_t) (A) ;\
*((unsigned char*) (T))= (unsigned char)(def_temp); \
*((unsigned char*) (T)+1)=(unsigned char)((def_temp >> 8)); \
} while(0)
#define int3store(T,A) do { /*lint -save -e734 */\
*((unsigned char*)(T))=(unsigned char) ((A));\
*((unsigned char*) (T)+1)=(unsigned char) (((A) >> 8));\
*((unsigned char*)(T)+2)=(unsigned char) (((A) >> 16)); \
/*lint -restore */} while(0)
#define int4store(T,A) do { *((char *)(T))=(char) ((A));\
*(((char *)(T))+1)=(char) (((A) >> 8));\
*(((char *)(T))+2)=(char) (((A) >> 16));\
*(((char *)(T))+3)=(char) (((A) >> 24)); } while(0)
#define int5store(T,A) do { *((char *)(T))= (char)((A)); \
*(((char *)(T))+1)= (char)(((A) >> 8)); \
*(((char *)(T))+2)= (char)(((A) >> 16)); \
*(((char *)(T))+3)= (char)(((A) >> 24)); \
*(((char *)(T))+4)= (char)(((A) >> 32)); \
} while(0)
#define int6store(T,A) do { *((char *)(T))= (char)((A)); \
*(((char *)(T))+1)= (char)(((A) >> 8)); \
*(((char *)(T))+2)= (char)(((A) >> 16)); \
*(((char *)(T))+3)= (char)(((A) >> 24)); \
*(((char *)(T))+4)= (char)(((A) >> 32)); \
*(((char *)(T))+5)= (char)(((A) >> 40)); \
} while(0)
#define int8store(T,A) do { uint32_t def_temp= (uint32_t) (A), def_temp2= (uint32_t) ((A) >> 32); \
int4store((T),def_temp); \
int4store((T+4),def_temp2); } while(0)
#ifdef WORDS_BIGENDIAN
#define float4store(T,A) do { *(T)= ((unsigned char *) &A)[3];\
*((T)+1)=(char) ((unsigned char *) &A)[2];\
*((T)+2)=(char) ((unsigned char *) &A)[1];\
*((T)+3)=(char) ((unsigned char *) &A)[0]; } while(0)
#define float4get(V,M) do { float def_temp;\
((unsigned char*) &def_temp)[0]=(M)[3];\
((unsigned char*) &def_temp)[1]=(M)[2];\
((unsigned char*) &def_temp)[2]=(M)[1];\
((unsigned char*) &def_temp)[3]=(M)[0];\
(V)=def_temp; } while(0)
#define float8store(T,V) do { *(T)= ((unsigned char *) &V)[7];\
*((T)+1)=(char) ((unsigned char *) &V)[6];\
*((T)+2)=(char) ((unsigned char *) &V)[5];\
*((T)+3)=(char) ((unsigned char *) &V)[4];\
*((T)+4)=(char) ((unsigned char *) &V)[3];\
*((T)+5)=(char) ((unsigned char *) &V)[2];\
*((T)+6)=(char) ((unsigned char *) &V)[1];\
*((T)+7)=(char) ((unsigned char *) &V)[0]; } while(0)
#define float8get(V,M) do { double def_temp;\
((unsigned char*) &def_temp)[0]=(M)[7];\
((unsigned char*) &def_temp)[1]=(M)[6];\
((unsigned char*) &def_temp)[2]=(M)[5];\
((unsigned char*) &def_temp)[3]=(M)[4];\
((unsigned char*) &def_temp)[4]=(M)[3];\
((unsigned char*) &def_temp)[5]=(M)[2];\
((unsigned char*) &def_temp)[6]=(M)[1];\
((unsigned char*) &def_temp)[7]=(M)[0];\
(V) = def_temp; } while(0)
#else
#define float4get(V,M) memcpy(&V, (M), sizeof(float))
#define float4store(V,M) memcpy(V, (&M), sizeof(float))
#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
#define doublestore(T,V) do { *(((char*)T)+0)=(char) ((unsigned char *) &V)[4];\
*(((char*)T)+1)=(char) ((unsigned char *) &V)[5];\
*(((char*)T)+2)=(char) ((unsigned char *) &V)[6];\
*(((char*)T)+3)=(char) ((unsigned char *) &V)[7];\
*(((char*)T)+4)=(char) ((unsigned char *) &V)[0];\
*(((char*)T)+5)=(char) ((unsigned char *) &V)[1];\
*(((char*)T)+6)=(char) ((unsigned char *) &V)[2];\
*(((char*)T)+7)=(char) ((unsigned char *) &V)[3]; }\
while(0)
#define doubleget(V,M) do { double def_temp;\
((unsigned char*) &def_temp)[0]=(M)[4];\
((unsigned char*) &def_temp)[1]=(M)[5];\
((unsigned char*) &def_temp)[2]=(M)[6];\
((unsigned char*) &def_temp)[3]=(M)[7];\
((unsigned char*) &def_temp)[4]=(M)[0];\
((unsigned char*) &def_temp)[5]=(M)[1];\
((unsigned char*) &def_temp)[6]=(M)[2];\
((unsigned char*) &def_temp)[7]=(M)[3];\
(V) = def_temp; } while(0)
#endif /* __FLOAT_WORD_ORDER */
#define float8get(V,M) doubleget((V),(M))
#define float8store(V,M) doublestore((V),(M))
#endif /* WORDS_BIGENDIAN */
#endif /* __i386__ */
/*
Macro for reading 32-bit integer from network byte order (big-endian)
from unaligned memory location.
*/
#define int4net(A) (int32_t) (((uint32_t) ((unsigned char) (A)[3])) |\
(((uint32_t) ((unsigned char) (A)[2])) << 8) |\
(((uint32_t) ((unsigned char) (A)[1])) << 16) |\
(((uint32_t) ((unsigned char) (A)[0])) << 24))
/*
Define-funktions for reading and storing in machine format from/to
short/long to/from some place in memory V should be a (not
register) variable, M is a pointer to byte
*/
#ifdef WORDS_BIGENDIAN
#define ushortget(V,M) do { V = (uint16_t) (((uint16_t) ((unsigned char) (M)[1]))+\
((uint16_t) ((uint16_t) (M)[0]) << 8)); } while(0)
#define shortget(V,M) do { V = (short) (((short) ((unsigned char) (M)[1]))+\
((short) ((short) (M)[0]) << 8)); } while(0)
#define longget(V,M) do { int32_t def_temp;\
((unsigned char*) &def_temp)[0]=(M)[0];\
((unsigned char*) &def_temp)[1]=(M)[1];\
((unsigned char*) &def_temp)[2]=(M)[2];\
((unsigned char*) &def_temp)[3]=(M)[3];\
(V)=def_temp; } while(0)
#define ulongget(V,M) do { uint32_t def_temp;\
((unsigned char*) &def_temp)[0]=(M)[0];\
((unsigned char*) &def_temp)[1]=(M)[1];\
((unsigned char*) &def_temp)[2]=(M)[2];\
((unsigned char*) &def_temp)[3]=(M)[3];\
(V)=def_temp; } while(0)
#define shortstore(T,A) do { uint32_t def_temp=(uint32_t) (A) ;\
*(((char*)T)+1)=(char)(def_temp); \
*(((char*)T)+0)=(char)(def_temp >> 8); } while(0)
#define longstore(T,A) do { *(((char*)T)+3)=((A));\
*(((char*)T)+2)=(((A) >> 8));\
*(((char*)T)+1)=(((A) >> 16));\
*(((char*)T)+0)=(((A) >> 24)); } while(0)
#define floatget(V,M) memcpy(&V, (M), sizeof(float))
#define floatstore(T, V) memcpy((T), (&V), sizeof(float))
#define doubleget(V, M) memcpy(&V, (M), sizeof(double))
#define doublestore(T, V) memcpy((T), &V, sizeof(double))
#define int64_tget(V, M) memcpy(&V, (M), sizeof(uint64_t))
#define int64_tstore(T, V) memcpy((T), &V, sizeof(uint64_t))
#else
#define ushortget(V,M) do { V = uint2korr(M); } while(0)
#define shortget(V,M) do { V = sint2korr(M); } while(0)
#define longget(V,M) do { V = sint4korr(M); } while(0)
#define ulongget(V,M) do { V = uint4korr(M); } while(0)
#define shortstore(T,V) int2store(T,V)
#define longstore(T,V) int4store(T,V)
#ifndef floatstore
#define floatstore(T,V) memcpy((T), (&V), sizeof(float))
#define floatget(V,M) memcpy(&V, (M), sizeof(float))
#endif
#ifndef doubleget
#define doubleget(V, M) memcpy(&V, (M), sizeof(double))
#define doublestore(T,V) memcpy((T), &V, sizeof(double))
#endif /* doubleget */
#define int64_tget(V,M) memcpy(&V, (M), sizeof(uint64_t))
#define int64_tstore(T,V) memcpy((T), &V, sizeof(uint64_t))
#endif /* WORDS_BIGENDIAN */
#endif /* DRIZZLED_KORR_H */
|