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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
  38 #ifndef _SIZE_T_DEFINED
  39 typedef unsigned int size_t;
  40 #define _SIZE_T_DEFINED
  41 #endif
  42
  43 #ifndef _HEAPINFO_DEFINED
  44 #define _HEAPINFO_DEFINED
  45 typedef struct _heapinfo
  46 {
  47   int*           _pentry;
  48   size_t _size;
  49   int            _useflag;
  50 } _HEAPINFO;
  51 #endif /* _HEAPINFO_DEFINED */
  52
  53 extern unsigned int* __p__amblksiz(void);
  54 #define _amblksiz (*__p__amblksiz());
  55
  56 #ifdef __cplusplus
  57 extern "C" {
  58 #endif
  59
  60 void*       _expand(void*,size_t);
  61 int         _heapadd(void*,size_t);
  62 int         _heapchk(void);
  63 int         _heapmin(void);
  64 int         _heapset(unsigned int);
  65 size_t _heapused(size_t*,size_t*);
  66 int         _heapwalk(_HEAPINFO*);
  67 size_t _msize(void*);
  68
  69 void*       calloc(size_t,size_t);
  70 void        free(void*);
  71 void*       malloc(size_t);
  72 void*       realloc(void*,size_t);
  73
  74 size_t _get_sbh_threshold(void);
  75 int _set_sbh_threshold(size_t size);
  76
  77 #ifdef __cplusplus
  78 }
  79 #endif
  80
  81 # ifdef __GNUC__
  82 # define _alloca(x) __builtin_alloca((x))
  83 # define alloca(x) __builtin_alloca((x))
  84 # endif
  85
  86 #endif /* __WINE_MALLOC_H */