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
|
// Copyright 2003 Jeremy Sawicki
//
// This file is part of OxydLib.
//
// OxydLib 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; either version 2 of the License, or
// (at your option) any later version.
//
// OxydLib 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 OxydLib; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include "VecUtils.h"
namespace OxydLib {
unsigned int getInt2(ByteVec::const_iterator it)
{
return (((unsigned int)(*it)) << 8) |
(((unsigned int)(*(it + 1))));
}
unsigned int getInt4(ByteVec::const_iterator it)
{
return (((unsigned int)(*it)) << 24) |
(((unsigned int)(*(it + 1))) << 16) |
(((unsigned int)(*(it + 2))) << 8) |
(((unsigned int)(*(it + 3))));
}
void putInt2(ByteVec::iterator it, unsigned int ii)
{
*it = (unsigned char)((ii & 0xff00) >> 8);
*(it + 1) = (unsigned char)((ii & 0x00ff));
}
void putInt4(ByteVec::iterator it, unsigned int ii)
{
*it = (unsigned char)((ii & 0xff000000) >> 24);
*(it + 1) = (unsigned char)((ii & 0x00ff0000) >> 16);
*(it + 2) = (unsigned char)((ii & 0x0000ff00) >> 8);
*(it + 3) = (unsigned char)((ii & 0x000000ff));
}
unsigned int getInt2Reversed(ByteVec::const_iterator it)
{
return (((unsigned int)(*it))) |
(((unsigned int)(*(it + 1))) << 8);
}
unsigned int getInt4Reversed(ByteVec::const_iterator it)
{
return (((unsigned int)(*it))) |
(((unsigned int)(*(it + 1))) << 8) |
(((unsigned int)(*(it + 2))) << 16) |
(((unsigned int)(*(it + 3))) << 24);
}
void putInt2Reversed(ByteVec::iterator it, unsigned int ii)
{
*it = (unsigned char)((ii & 0x00ff));
*(it + 1) = (unsigned char)((ii & 0xff00) >> 8);
}
void putInt4Reversed(ByteVec::iterator it, unsigned int ii)
{
*it = (unsigned char)((ii & 0x000000ff));
*(it + 1) = (unsigned char)((ii & 0x0000ff00) >> 8);
*(it + 2) = (unsigned char)((ii & 0x00ff0000) >> 16);
*(it + 3) = (unsigned char)((ii & 0xff000000) >> 24);
}
}
|
