summaryrefslogtreecommitdiff
path: root/other-licenses/7zstub/src/CPP/Common/NewHandler.cpp
blob: 18d2d1865bb232ee42781e7faaaa708d1fc67413 (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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
// NewHandler.cpp
 
#include "StdAfx.h"

#include <stdlib.h>

#include "NewHandler.h"

// #define DEBUG_MEMORY_LEAK

#ifndef DEBUG_MEMORY_LEAK

#ifdef _7ZIP_REDEFINE_OPERATOR_NEW

/*
void * my_new(size_t size)
{
  // void *p = ::HeapAlloc(::GetProcessHeap(), 0, size);
  void *p = ::malloc(size);
  if (p == 0)
    throw CNewException();
  return p;
}

void my_delete(void *p) throw()
{
  // if (p == 0) return; ::HeapFree(::GetProcessHeap(), 0, p);
  ::free(p);
}

void * my_Realloc(void *p, size_t newSize, size_t oldSize)
{
  void *newBuf = my_new(newSize);
  if (oldSize != 0)
    memcpy(newBuf, p, oldSize);
  my_delete(p);
  return newBuf;
}
*/

void *
#ifdef _MSC_VER
__cdecl
#endif
operator new(size_t size)
{
  // void *p = ::HeapAlloc(::GetProcessHeap(), 0, size);
  void *p = ::malloc(size);
  if (p == 0)
    throw CNewException();
  return p;
}

void
#ifdef _MSC_VER
__cdecl
#endif
operator delete(void *p) throw()
{
  // if (p == 0) return; ::HeapFree(::GetProcessHeap(), 0, p);
  ::free(p);
}

/*
void *
#ifdef _MSC_VER
__cdecl
#endif
operator new[](size_t size)
{
  // void *p = ::HeapAlloc(::GetProcessHeap(), 0, size);
  void *p = ::malloc(size);
  if (p == 0)
    throw CNewException();
  return p;
}

void
#ifdef _MSC_VER
__cdecl
#endif
operator delete[](void *p) throw()
{
  // if (p == 0) return; ::HeapFree(::GetProcessHeap(), 0, p);
  ::free(p);
}
*/

#endif

#else

#include <stdio.h>

// #pragma init_seg(lib)
const int kDebugSize = 1000000;
static void *a[kDebugSize];
static int index = 0;

static int numAllocs = 0;
void * __cdecl operator new(size_t size)
{
  numAllocs++;
  void *p = HeapAlloc(GetProcessHeap(), 0, size);
  if (index < kDebugSize)
  {
    a[index] = p;
    index++;
  }
  if (p == 0)
    throw CNewException();
  printf("Alloc %6d, size = %8u\n", numAllocs, (unsigned)size);
  return p;
}

class CC
{
public:
  CC()
  {
    for (int i = 0; i < kDebugSize; i++)
      a[i] = 0;
  }
  ~CC()
  {
    for (int i = 0; i < kDebugSize; i++)
      if (a[i] != 0)
        return;
  }
} g_CC;


void __cdecl operator delete(void *p)
{
  if (p == 0)
    return;
  /*
  for (int i = 0; i < index; i++)
    if (a[i] == p)
      a[i] = 0;
  */
  HeapFree(GetProcessHeap(), 0, p);
  numAllocs--;
  printf("Free %d\n", numAllocs);
}

#endif

/*
int MemErrorVC(size_t)
{
  throw CNewException();
  // return 1;
}
CNewHandlerSetter::CNewHandlerSetter()
{
  // MemErrorOldVCFunction = _set_new_handler(MemErrorVC);
}
CNewHandlerSetter::~CNewHandlerSetter()
{
  // _set_new_handler(MemErrorOldVCFunction);
}
*/