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
  23 #include <corecrt.h>
  24 #include <corecrt_malloc.h>
  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 #ifndef _HEAPINFO_DEFINED
  38 #define _HEAPINFO_DEFINED
  39 typedef struct _heapinfo
  40 {
  41   int*           _pentry;
  42   size_t _size;
  43   int            _useflag;
  44 } _HEAPINFO;
  45 #endif /* _HEAPINFO_DEFINED */
  46
  47 #ifdef __i386__
  48 _ACRTIMP unsigned int* __cdecl __p__amblksiz(void);
  49 #define _amblksiz (*__p__amblksiz());
  50 #else
  51 extern unsigned int _amblksiz;
  52 #endif
  53
  54 #ifdef __cplusplus
  55 extern "C" {
  56 #endif
  57
  58 _ACRTIMP int    __cdecl _heapadd(void*,size_t);
  59 _ACRTIMP int    __cdecl _heapchk(void);
  60 _ACRTIMP int    __cdecl _heapmin(void);
  61 _ACRTIMP int    __cdecl _heapset(unsigned int);
  62 _ACRTIMP size_t __cdecl _heapused(size_t*,size_t*);
  63 _ACRTIMP int    __cdecl _heapwalk(_HEAPINFO*);
  64
  65 _ACRTIMP size_t __cdecl _get_sbh_threshold(void);
  66 _ACRTIMP int    __cdecl _set_sbh_threshold(size_t size);
  67
  68 #ifdef _MSC_VER
  69 void *_alloca(size_t size);
  70 #endif
  71
  72 #ifdef __cplusplus
  73 }
  74 #endif
  75
  76 # ifdef __GNUC__
  77 # define _alloca(x) __builtin_alloca((x))
  78 # define alloca(x) __builtin_alloca((x))
  79 # elif defined(_MSC_VER)
  80 # define alloca(x) _alloca((x))
  81 # endif
  82
  83 #endif /* __WINE_MALLOC_H */