include/msvcrt/malloc.h

   1 /*
   2  * Heap definitions
   3  *
   4  * Copyright 2001 Francois Gouget.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20 #ifndef __WINE_MALLOC_H
  21 #define __WINE_MALLOC_H
  22 #ifndef __WINE_USE_MSVCRT
  23 #define __WINE_USE_MSVCRT
  24 #endif
  25
  26 /* heap function constants */
  27 #define _HEAPEMPTY    -1
  28 #define _HEAPOK       -2
  29 #define _HEAPBADBEGIN -3
  30 #define _HEAPBADNODE  -4
  31 #define _HEAPEND      -5
  32 #define _HEAPBADPTR   -6
  33
  34 #define _FREEENTRY     0
  35 #define _USEDENTRY     1
  36
  37 #if !defined(_MSC_VER) && !defined(__int64)
  38 #define __int64 long long
  39 #endif
  40
  41 #ifndef _SIZE_T_DEFINED
  42 #ifdef _WIN64
  43 typedef unsigned __int64 size_t;
  44 #else
  45 typedef unsigned int size_t;
  46 #endif
  47 #define _SIZE_T_DEFINED
  48 #endif
  49
  50 #ifndef _HEAPINFO_DEFINED
  51 #define _HEAPINFO_DEFINED
  52 typedef struct _heapinfo
  53 {
  54   int*           _pentry;
  55   size_t _size;
  56   int            _useflag;
  57 } _HEAPINFO;
  58 #endif /* _HEAPINFO_DEFINED */
  59
  60 extern unsigned int* __p__amblksiz(void);
  61 #define _amblksiz (*__p__amblksiz());
  62
  63 #ifdef __cplusplus
  64 extern "C" {
  65 #endif
  66
  67 void*       _expand(void*,size_t);
  68 int         _heapadd(void*,size_t);
  69 int         _heapchk(void);
  70 int         _heapmin(void);
  71 int         _heapset(unsigned int);
  72 size_t _heapused(size_t*,size_t*);
  73 int         _heapwalk(_HEAPINFO*);
  74 size_t _msize(void*);
  75
  76 void*       calloc(size_t,size_t);
  77 void        free(void*);
  78 void*       malloc(size_t);
  79 void*       realloc(void*,size_t);
  80
  81 size_t _get_sbh_threshold(void);
  82 int _set_sbh_threshold(size_t size);
  83
  84 #ifdef __cplusplus
  85 }
  86 #endif
  87
  88 # ifdef __GNUC__
  89 # define _alloca(x) __builtin_alloca((x))
  90 # define alloca(x) __builtin_alloca((x))
  91 # endif
  92
  93 #endif /* __WINE_MALLOC_H */