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
|
/*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup memutil
*/
#ifndef __MEM_ALLOCATOR_H__
#define __MEM_ALLOCATOR_H__
#include "guardedalloc/MEM_guardedalloc.h"
#include <stddef.h>
template<typename _Tp> struct MEM_Allocator {
typedef size_t size_type;
typedef ptrdiff_t difference_type;
typedef _Tp *pointer;
typedef const _Tp *const_pointer;
typedef _Tp &reference;
typedef const _Tp &const_reference;
typedef _Tp value_type;
template<typename _Tp1> struct rebind {
typedef MEM_Allocator<_Tp1> other;
};
MEM_Allocator() throw()
{
}
MEM_Allocator(const MEM_Allocator &) throw()
{
}
template<typename _Tp1> MEM_Allocator(const MEM_Allocator<_Tp1>) throw()
{
}
~MEM_Allocator() throw()
{
}
pointer address(reference __x) const
{
return &__x;
}
const_pointer address(const_reference __x) const
{
return &__x;
}
/* NOTE: `__n` is permitted to be 0.
* The C++ standard says nothing about what the return value is when `__n == 0`. */
_Tp *allocate(size_type __n, const void * = 0)
{
_Tp *__ret = NULL;
if (__n)
__ret = static_cast<_Tp *>(MEM_mallocN(__n * sizeof(_Tp), "STL MEM_Allocator"));
return __ret;
}
// __p is not permitted to be a null pointer.
void deallocate(pointer __p, size_type)
{
MEM_freeN(__p);
}
size_type max_size() const throw()
{
return size_t(-1) / sizeof(_Tp);
}
void construct(pointer __p, const _Tp &__val)
{
new (__p) _Tp(__val);
}
void destroy(pointer __p)
{
__p->~_Tp();
}
};
#endif // __MEM_ALLOCATOR_H__
|
