blob: fac5b62fb9f5a4a87763bd988371349f86910109 (
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
|
/* Alloc.h -- Memory allocation functions
2023-03-04 : Igor Pavlov : Public domain */
#ifndef ZIP7_INC_ALLOC_H
#define ZIP7_INC_ALLOC_H
#include "7zTypes.h"
EXTERN_C_BEGIN
/*
MyFree(NULL) : is allowed, as free(NULL)
MyAlloc(0) : returns NULL : but malloc(0) is allowed to return NULL or non_NULL
MyRealloc(NULL, 0) : returns NULL : but realloc(NULL, 0) is allowed to return NULL or non_NULL
MyRealloc() is similar to realloc() for the following cases:
MyRealloc(non_NULL, 0) : returns NULL and always calls MyFree(ptr)
MyRealloc(NULL, non_ZERO) : returns NULL, if allocation failed
MyRealloc(non_NULL, non_ZERO) : returns NULL, if reallocation failed
*/
void *MyAlloc(size_t size);
void MyFree(void *address);
void *MyRealloc(void *address, size_t size);
#ifdef _WIN32
#ifdef Z7_LARGE_PAGES
void SetLargePageSize(void);
#endif
void *MidAlloc(size_t size);
void MidFree(void *address);
void *BigAlloc(size_t size);
void BigFree(void *address);
#else
#define MidAlloc(size) MyAlloc(size)
#define MidFree(address) MyFree(address)
#define BigAlloc(size) MyAlloc(size)
#define BigFree(address) MyFree(address)
#endif
extern const ISzAlloc g_Alloc;
#ifdef _WIN32
extern const ISzAlloc g_BigAlloc;
extern const ISzAlloc g_MidAlloc;
#else
#define g_BigAlloc g_AlignedAlloc
#define g_MidAlloc g_AlignedAlloc
#endif
extern const ISzAlloc g_AlignedAlloc;
typedef struct
{
ISzAlloc vt;
ISzAllocPtr baseAlloc;
unsigned numAlignBits; /* ((1 << numAlignBits) >= sizeof(void *)) */
size_t offset; /* (offset == (k * sizeof(void *)) && offset < (1 << numAlignBits) */
} CAlignOffsetAlloc;
void AlignOffsetAlloc_CreateVTable(CAlignOffsetAlloc *p);
EXTERN_C_END
#endif
|
