blob: 41b8cebafbfabf1da165c5c7a3e1ef648dc8e41c (
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
|
#include "uint_t.h"
/**
@file uint64p.c
@author feh, jannis
@source djbdns6
@brief packing/unpacking 64 bit integer to/from char string
*/
void uint64_pack(char s[8],uint64 u)
{
s[0] = u & 255; u >>= 8;
s[1] = u & 255; u >>= 8;
s[2] = u & 255; u >>= 8;
s[3] = u & 255; u >>= 8;
s[4] = u & 255; u >>= 8;
s[5] = u & 255; u >>= 8;
s[6] = u & 255; u >>= 8;
s[7] = u & 255;
}
void uint64_pack_big(char s[8],uint64 u)
{
s[7] = u & 255; u >>= 8;
s[6] = u & 255; u >>= 8;
s[5] = u & 255; u >>= 8;
s[4] = u & 255; u >>= 8;
s[3] = u & 255; u >>= 8;
s[2] = u & 255; u >>= 8;
s[1] = u & 255; u >>= 8;
s[0] = u & 255;
}
void uint64_unpack(char s[8],uint64 *u)
{
uint64 result;
result = (unsigned char) s[7]; result <<= 8;
result += (unsigned char) s[6]; result <<= 8;
result += (unsigned char) s[5]; result <<= 8;
result += (unsigned char) s[4]; result <<= 8;
result += (unsigned char) s[3]; result <<= 8;
result += (unsigned char) s[2]; result <<= 8;
result += (unsigned char) s[1]; result <<= 8;
result += (unsigned char) s[0];
*u = result;
}
void uint64_unpack_big(char s[8],uint64 *u)
{
uint64 result;
result = (unsigned char) s[0]; result <<= 8;
result += (unsigned char) s[1]; result <<= 8;
result += (unsigned char) s[2]; result <<= 8;
result += (unsigned char) s[3]; result <<= 8;
result += (unsigned char) s[4]; result <<= 8;
result += (unsigned char) s[5]; result <<= 8;
result += (unsigned char) s[6]; result <<= 8;
result += (unsigned char) s[7];
*u = result;
}
|
