blob: 51e27b0b101728d12857ee278e0a7d84954f5e59 (
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
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
|
#ifndef SPTR_H
#define SPTR_H
#include <stdint.h>
#include <stdio.h>
template<typename T>
class SPtr
{
public:
SPtr() :
pRefCnt( NULL ),
pData( NULL )
{
}
~SPtr()
{
decCount();
}
SPtr( SPtr<T> &src ) :
pRefCnt( src.pRefCnt ),
pData( src.pData )
{
(*pRefCnt) += 1;
}
SPtr( T *pSrc ) :
pRefCnt( NULL ),
pData( pSrc )
{
pRefCnt = new int32_t;
(*pRefCnt) = 1;
}
int32_t count()
{
return *pRefCnt;
}
T *operator->() const
{
return pData;
}
T *operator*() const
{
return pData;
}
SPtr<T> operator=( const SPtr<T> &src )
{
decCount();
pRefCnt = src.pRefCnt;
pData = src.pData;
(*pRefCnt) += 1;
return *this;
}
bool operator==( const SPtr<T> &src )
{
return pData == src.pData;
}
private:
void decCount()
{
if( pRefCnt )
{
(*pRefCnt) -= 1;
if( (*pRefCnt) == 0 )
{
delete pRefCnt;
delete pData;
pRefCnt = NULL;
pData = NULL;
}
}
}
int32_t *pRefCnt;
T *pData;
};
#endif
|
