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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