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1 /* Alloc.h -- Memory allocation functions
2 2018-02-19 : Igor Pavlov : Public domain */
3 
4 #ifndef __COMMON_ALLOC_H
5 #define __COMMON_ALLOC_H
6 
7 #include "7zTypes.h"
8 
9 EXTERN_C_BEGIN
10 
11 void *MyAlloc(size_t size);
12 void MyFree(void *address);
13 
14 #ifdef _WIN32
15 
16 void SetLargePageSize();
17 
18 void *MidAlloc(size_t size);
19 void MidFree(void *address);
20 void *BigAlloc(size_t size);
21 void BigFree(void *address);
22 
23 #else
24 
25 #define MidAlloc(size) MyAlloc(size)
26 #define MidFree(address) MyFree(address)
27 #define BigAlloc(size) MyAlloc(size)
28 #define BigFree(address) MyFree(address)
29 
30 #endif
31 
32 extern const ISzAlloc g_Alloc;
33 extern const ISzAlloc g_BigAlloc;
34 extern const ISzAlloc g_MidAlloc;
35 extern const ISzAlloc g_AlignedAlloc;
36 
37 
38 typedef struct
39 {
40   ISzAlloc vt;
41   ISzAllocPtr baseAlloc;
42   unsigned numAlignBits; /* ((1 << numAlignBits) >= sizeof(void *)) */
43   size_t offset;         /* (offset == (k * sizeof(void *)) && offset < (1 << numAlignBits) */
44 } CAlignOffsetAlloc;
45 
46 void AlignOffsetAlloc_CreateVTable(CAlignOffsetAlloc *p);
47 
48 
49 EXTERN_C_END
50 
51 #endif
52