nel/3rdparty/seven_zip/Alloc.h

   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