|
1
by brian
clean slate |
1 |
/* Copyright (C) 2000 MySQL AB
|
2 |
||
3 |
This program is free software; you can redistribute it and/or modify
|
|
4 |
it under the terms of the GNU General Public License as published by
|
|
5 |
the Free Software Foundation; version 2 of the License.
|
|
6 |
||
7 |
This program is distributed in the hope that it will be useful,
|
|
8 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
9 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
10 |
GNU General Public License for more details.
|
|
11 |
||
12 |
You should have received a copy of the GNU General Public License
|
|
13 |
along with this program; if not, write to the Free Software
|
|
14 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
|
|
15 |
||
16 |
/*
|
|
17 |
Storing of values in high byte first order.
|
|
18 |
||
19 |
integer keys and file pointers are stored with high byte first to get
|
|
20 |
better compression
|
|
21 |
*/
|
|
22 |
||
23 |
/* these two are for uniformity */
|
|
24 |
#define mi_sint1korr(A) ((int8)(*A))
|
|
25 |
#define mi_uint1korr(A) ((uint8)(*A))
|
|
26 |
||
27 |
#define mi_sint2korr(A) ((int16) (((int16) (((uchar*) (A))[1])) +\
|
|
28 |
((int16) ((int16) ((char*) (A))[0]) << 8)))
|
|
29 |
#define mi_sint3korr(A) ((int32) (((((uchar*) (A))[0]) & 128) ? \
|
|
30 |
(((uint32) 255L << 24) | \
|
|
31 |
(((uint32) ((uchar*) (A))[0]) << 16) |\
|
|
32 |
(((uint32) ((uchar*) (A))[1]) << 8) | \
|
|
33 |
((uint32) ((uchar*) (A))[2])) : \
|
|
34 |
(((uint32) ((uchar*) (A))[0]) << 16) |\
|
|
35 |
(((uint32) ((uchar*) (A))[1]) << 8) | \
|
|
36 |
((uint32) ((uchar*) (A))[2])))
|
|
37 |
#define mi_sint4korr(A) ((int32) (((int32) (((uchar*) (A))[3])) +\
|
|
38 |
((int32) (((uchar*) (A))[2]) << 8) +\
|
|
39 |
((int32) (((uchar*) (A))[1]) << 16) +\
|
|
40 |
((int32) ((int16) ((char*) (A))[0]) << 24)))
|
|
41 |
#define mi_sint8korr(A) ((longlong) mi_uint8korr(A))
|
|
42 |
#define mi_uint2korr(A) ((uint16) (((uint16) (((uchar*) (A))[1])) +\
|
|
43 |
((uint16) (((uchar*) (A))[0]) << 8)))
|
|
44 |
#define mi_uint3korr(A) ((uint32) (((uint32) (((uchar*) (A))[2])) +\
|
|
45 |
(((uint32) (((uchar*) (A))[1])) << 8) +\
|
|
46 |
(((uint32) (((uchar*) (A))[0])) << 16)))
|
|
47 |
#define mi_uint4korr(A) ((uint32) (((uint32) (((uchar*) (A))[3])) +\
|
|
48 |
(((uint32) (((uchar*) (A))[2])) << 8) +\
|
|
49 |
(((uint32) (((uchar*) (A))[1])) << 16) +\
|
|
50 |
(((uint32) (((uchar*) (A))[0])) << 24)))
|
|
51 |
#define mi_uint5korr(A) ((ulonglong)(((uint32) (((uchar*) (A))[4])) +\
|
|
52 |
(((uint32) (((uchar*) (A))[3])) << 8) +\
|
|
53 |
(((uint32) (((uchar*) (A))[2])) << 16) +\
|
|
54 |
(((uint32) (((uchar*) (A))[1])) << 24)) +\
|
|
55 |
(((ulonglong) (((uchar*) (A))[0])) << 32))
|
|
56 |
#define mi_uint6korr(A) ((ulonglong)(((uint32) (((uchar*) (A))[5])) +\
|
|
57 |
(((uint32) (((uchar*) (A))[4])) << 8) +\
|
|
58 |
(((uint32) (((uchar*) (A))[3])) << 16) +\
|
|
59 |
(((uint32) (((uchar*) (A))[2])) << 24)) +\
|
|
60 |
(((ulonglong) (((uint32) (((uchar*) (A))[1])) +\
|
|
61 |
(((uint32) (((uchar*) (A))[0]) << 8)))) <<\
|
|
62 |
32))
|
|
63 |
#define mi_uint7korr(A) ((ulonglong)(((uint32) (((uchar*) (A))[6])) +\
|
|
64 |
(((uint32) (((uchar*) (A))[5])) << 8) +\
|
|
65 |
(((uint32) (((uchar*) (A))[4])) << 16) +\
|
|
66 |
(((uint32) (((uchar*) (A))[3])) << 24)) +\
|
|
67 |
(((ulonglong) (((uint32) (((uchar*) (A))[2])) +\
|
|
68 |
(((uint32) (((uchar*) (A))[1])) << 8) +\
|
|
69 |
(((uint32) (((uchar*) (A))[0])) << 16))) <<\
|
|
70 |
32))
|
|
71 |
#define mi_uint8korr(A) ((ulonglong)(((uint32) (((uchar*) (A))[7])) +\
|
|
72 |
(((uint32) (((uchar*) (A))[6])) << 8) +\
|
|
73 |
(((uint32) (((uchar*) (A))[5])) << 16) +\
|
|
74 |
(((uint32) (((uchar*) (A))[4])) << 24)) +\
|
|
75 |
(((ulonglong) (((uint32) (((uchar*) (A))[3])) +\
|
|
76 |
(((uint32) (((uchar*) (A))[2])) << 8) +\
|
|
77 |
(((uint32) (((uchar*) (A))[1])) << 16) +\
|
|
78 |
(((uint32) (((uchar*) (A))[0])) << 24))) <<\
|
|
79 |
32))
|
|
80 |
||
81 |
/* This one is for uniformity */
|
|
82 |
#define mi_int1store(T,A) *((uchar*)(T))= (uchar) (A)
|
|
83 |
||
84 |
#define mi_int2store(T,A) { uint def_temp= (uint) (A) ;\
|
|
85 |
((uchar*) (T))[1]= (uchar) (def_temp);\
|
|
86 |
((uchar*) (T))[0]= (uchar) (def_temp >> 8); }
|
|
87 |
#define mi_int3store(T,A) { /*lint -save -e734 */\ |
|
88 |
ulong def_temp= (ulong) (A);\
|
|
89 |
((uchar*) (T))[2]= (uchar) (def_temp);\
|
|
90 |
((uchar*) (T))[1]= (uchar) (def_temp >> 8);\
|
|
91 |
((uchar*) (T))[0]= (uchar) (def_temp >> 16);\
|
|
92 |
/*lint -restore */} |
|
93 |
#define mi_int4store(T,A) { ulong def_temp= (ulong) (A);\
|
|
94 |
((uchar*) (T))[3]= (uchar) (def_temp);\
|
|
95 |
((uchar*) (T))[2]= (uchar) (def_temp >> 8);\
|
|
96 |
((uchar*) (T))[1]= (uchar) (def_temp >> 16);\
|
|
97 |
((uchar*) (T))[0]= (uchar) (def_temp >> 24); }
|
|
98 |
#define mi_int5store(T,A) { ulong def_temp= (ulong) (A),\
|
|
99 |
def_temp2= (ulong) ((A) >> 32);\
|
|
100 |
((uchar*) (T))[4]= (uchar) (def_temp);\
|
|
101 |
((uchar*) (T))[3]= (uchar) (def_temp >> 8);\
|
|
102 |
((uchar*) (T))[2]= (uchar) (def_temp >> 16);\
|
|
103 |
((uchar*) (T))[1]= (uchar) (def_temp >> 24);\
|
|
104 |
((uchar*) (T))[0]= (uchar) (def_temp2); }
|
|
105 |
#define mi_int6store(T,A) { ulong def_temp= (ulong) (A),\
|
|
106 |
def_temp2= (ulong) ((A) >> 32);\
|
|
107 |
((uchar*) (T))[5]= (uchar) (def_temp);\
|
|
108 |
((uchar*) (T))[4]= (uchar) (def_temp >> 8);\
|
|
109 |
((uchar*) (T))[3]= (uchar) (def_temp >> 16);\
|
|
110 |
((uchar*) (T))[2]= (uchar) (def_temp >> 24);\
|
|
111 |
((uchar*) (T))[1]= (uchar) (def_temp2);\
|
|
112 |
((uchar*) (T))[0]= (uchar) (def_temp2 >> 8); }
|
|
113 |
#define mi_int7store(T,A) { ulong def_temp= (ulong) (A),\
|
|
114 |
def_temp2= (ulong) ((A) >> 32);\
|
|
115 |
((uchar*) (T))[6]= (uchar) (def_temp);\
|
|
116 |
((uchar*) (T))[5]= (uchar) (def_temp >> 8);\
|
|
117 |
((uchar*) (T))[4]= (uchar) (def_temp >> 16);\
|
|
118 |
((uchar*) (T))[3]= (uchar) (def_temp >> 24);\
|
|
119 |
((uchar*) (T))[2]= (uchar) (def_temp2);\
|
|
120 |
((uchar*) (T))[1]= (uchar) (def_temp2 >> 8);\
|
|
121 |
((uchar*) (T))[0]= (uchar) (def_temp2 >> 16); }
|
|
122 |
#define mi_int8store(T,A) { ulong def_temp3= (ulong) (A),\
|
|
123 |
def_temp4= (ulong) ((A) >> 32);\
|
|
124 |
mi_int4store((uchar*) (T) + 0, def_temp4);\
|
|
125 |
mi_int4store((uchar*) (T) + 4, def_temp3); }
|
|
126 |
||
127 |
#ifdef WORDS_BIGENDIAN
|
|
128 |
||
129 |
#define mi_float4store(T,A) { ((uchar*) (T))[0]= ((uchar*) &A)[0];\
|
|
130 |
((uchar*) (T))[1]= ((uchar*) &A)[1];\
|
|
131 |
((uchar*) (T))[2]= ((uchar*) &A)[2];\
|
|
132 |
((uchar*) (T))[3]= ((uchar*) &A)[3]; }
|
|
133 |
||
134 |
#define mi_float4get(V,M) { float def_temp;\
|
|
135 |
((uchar*) &def_temp)[0]= ((uchar*) (M))[0];\
|
|
136 |
((uchar*) &def_temp)[1]= ((uchar*) (M))[1];\
|
|
137 |
((uchar*) &def_temp)[2]= ((uchar*) (M))[2];\
|
|
138 |
((uchar*) &def_temp)[3]= ((uchar*) (M))[3];\
|
|
139 |
(V)= def_temp; }
|
|
140 |
||
141 |
#define mi_float8store(T,V) { ((uchar*) (T))[0]= ((uchar*) &V)[0];\
|
|
142 |
((uchar*) (T))[1]= ((uchar*) &V)[1];\
|
|
143 |
((uchar*) (T))[2]= ((uchar*) &V)[2];\
|
|
144 |
((uchar*) (T))[3]= ((uchar*) &V)[3];\
|
|
145 |
((uchar*) (T))[4]= ((uchar*) &V)[4];\
|
|
146 |
((uchar*) (T))[5]= ((uchar*) &V)[5];\
|
|
147 |
((uchar*) (T))[6]= ((uchar*) &V)[6];\
|
|
148 |
((uchar*) (T))[7]= ((uchar*) &V)[7]; }
|
|
149 |
||
150 |
#define mi_float8get(V,M) { double def_temp;\
|
|
151 |
((uchar*) &def_temp)[0]= ((uchar*) (M))[0];\
|
|
152 |
((uchar*) &def_temp)[1]= ((uchar*) (M))[1];\
|
|
153 |
((uchar*) &def_temp)[2]= ((uchar*) (M))[2];\
|
|
154 |
((uchar*) &def_temp)[3]= ((uchar*) (M))[3];\
|
|
155 |
((uchar*) &def_temp)[4]= ((uchar*) (M))[4];\
|
|
156 |
((uchar*) &def_temp)[5]= ((uchar*) (M))[5];\
|
|
157 |
((uchar*) &def_temp)[6]= ((uchar*) (M))[6];\
|
|
158 |
((uchar*) &def_temp)[7]= ((uchar*) (M))[7]; \
|
|
159 |
(V)= def_temp; }
|
|
160 |
#else
|
|
161 |
||
162 |
#define mi_float4store(T,A) { ((uchar*) (T))[0]= ((uchar*) &A)[3];\
|
|
163 |
((uchar*) (T))[1]= ((uchar*) &A)[2];\
|
|
164 |
((uchar*) (T))[2]= ((uchar*) &A)[1];\
|
|
165 |
((uchar*) (T))[3]= ((uchar*) &A)[0]; }
|
|
166 |
||
167 |
#define mi_float4get(V,M) { float def_temp;\
|
|
168 |
((uchar*) &def_temp)[0]= ((uchar*) (M))[3];\
|
|
169 |
((uchar*) &def_temp)[1]= ((uchar*) (M))[2];\
|
|
170 |
((uchar*) &def_temp)[2]= ((uchar*) (M))[1];\
|
|
171 |
((uchar*) &def_temp)[3]= ((uchar*) (M))[0];\
|
|
172 |
(V)= def_temp; }
|
|
173 |
||
174 |
#if defined(__FLOAT_WORD_ORDER) && (__FLOAT_WORD_ORDER == __BIG_ENDIAN)
|
|
175 |
#define mi_float8store(T,V) { ((uchar*) (T))[0]= ((uchar*) &V)[3];\
|
|
176 |
((uchar*) (T))[1]= ((uchar*) &V)[2];\
|
|
177 |
((uchar*) (T))[2]= ((uchar*) &V)[1];\
|
|
178 |
((uchar*) (T))[3]= ((uchar*) &V)[0];\
|
|
179 |
((uchar*) (T))[4]= ((uchar*) &V)[7];\
|
|
180 |
((uchar*) (T))[5]= ((uchar*) &V)[6];\
|
|
181 |
((uchar*) (T))[6]= ((uchar*) &V)[5];\
|
|
182 |
((uchar*) (T))[7]= ((uchar*) &V)[4];}
|
|
183 |
||
184 |
#define mi_float8get(V,M) { double def_temp;\
|
|
185 |
((uchar*) &def_temp)[0]= ((uchar*) (M))[3];\
|
|
186 |
((uchar*) &def_temp)[1]= ((uchar*) (M))[2];\
|
|
187 |
((uchar*) &def_temp)[2]= ((uchar*) (M))[1];\
|
|
188 |
((uchar*) &def_temp)[3]= ((uchar*) (M))[0];\
|
|
189 |
((uchar*) &def_temp)[4]= ((uchar*) (M))[7];\
|
|
190 |
((uchar*) &def_temp)[5]= ((uchar*) (M))[6];\
|
|
191 |
((uchar*) &def_temp)[6]= ((uchar*) (M))[5];\
|
|
192 |
((uchar*) &def_temp)[7]= ((uchar*) (M))[4];\
|
|
193 |
(V)= def_temp; }
|
|
194 |
||
195 |
#else
|
|
196 |
#define mi_float8store(T,V) { ((uchar*) (T))[0]= ((uchar*) &V)[7];\
|
|
197 |
((uchar*) (T))[1]= ((uchar*) &V)[6];\
|
|
198 |
((uchar*) (T))[2]= ((uchar*) &V)[5];\
|
|
199 |
((uchar*) (T))[3]= ((uchar*) &V)[4];\
|
|
200 |
((uchar*) (T))[4]= ((uchar*) &V)[3];\
|
|
201 |
((uchar*) (T))[5]= ((uchar*) &V)[2];\
|
|
202 |
((uchar*) (T))[6]= ((uchar*) &V)[1];\
|
|
203 |
((uchar*) (T))[7]= ((uchar*) &V)[0];}
|
|
204 |
||
205 |
#define mi_float8get(V,M) { double def_temp;\
|
|
206 |
((uchar*) &def_temp)[0]= ((uchar*) (M))[7];\
|
|
207 |
((uchar*) &def_temp)[1]= ((uchar*) (M))[6];\
|
|
208 |
((uchar*) &def_temp)[2]= ((uchar*) (M))[5];\
|
|
209 |
((uchar*) &def_temp)[3]= ((uchar*) (M))[4];\
|
|
210 |
((uchar*) &def_temp)[4]= ((uchar*) (M))[3];\
|
|
211 |
((uchar*) &def_temp)[5]= ((uchar*) (M))[2];\
|
|
212 |
((uchar*) &def_temp)[6]= ((uchar*) (M))[1];\
|
|
213 |
((uchar*) &def_temp)[7]= ((uchar*) (M))[0];\
|
|
214 |
(V)= def_temp; }
|
|
215 |
#endif /* __FLOAT_WORD_ORDER */ |
|
216 |
#endif /* WORDS_BIGENDIAN */ |
|
217 |
||
218 |
/* Fix to avoid warnings when sizeof(ha_rows) == sizeof(long) */
|
|
219 |
||
220 |
#ifdef BIG_TABLES
|
|
221 |
#define mi_rowstore(T,A) mi_int8store(T, A)
|
|
222 |
#define mi_rowkorr(T) mi_uint8korr(T)
|
|
223 |
#else
|
|
224 |
#define mi_rowstore(T,A) { mi_int4store(T, 0);\
|
|
225 |
mi_int4store(((uchar*) (T) + 4), A); }
|
|
226 |
#define mi_rowkorr(T) mi_uint4korr((uchar*) (T) + 4)
|
|
227 |
#endif
|
|
228 |
||
229 |
#if SIZEOF_OFF_T > 4
|
|
230 |
#define mi_sizestore(T,A) mi_int8store(T, A)
|
|
231 |
#define mi_sizekorr(T) mi_uint8korr(T)
|
|
232 |
#else
|
|
233 |
#define mi_sizestore(T,A) { if ((A) == HA_OFFSET_ERROR)\
|
|
234 |
bfill((char*) (T), 8, 255);\
|
|
235 |
else { mi_int4store((T), 0);\
|
|
236 |
mi_int4store(((T) + 4), A); }}
|
|
237 |
#define mi_sizekorr(T) mi_uint4korr((uchar*) (T) + 4)
|
|
238 |
#endif
|