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 <crtdefs.h>
  24
  25 /* heap function constants */
  26 #define _HEAPEMPTY    -1
  27 #define _HEAPOK       -2
  28 #define _HEAPBADBEGIN -3
  29 #define _HEAPBADNODE  -4
  30 #define _HEAPEND      -5
  31 #define _HEAPBADPTR   -6
  32
  33 #define _FREEENTRY     0
  34 #define _USEDENTRY     1
  35
  36 #ifndef _HEAPINFO_DEFINED
  37 #define _HEAPINFO_DEFINED
  38 typedef struct _heapinfo
  39 {
  40   int*           _pentry;
  41   size_t _size;
  42   int            _useflag;
  43 } _HEAPINFO;
  44 #endif /* _HEAPINFO_DEFINED */
  45
  46 #ifdef __i386__
  47 extern unsigned int* __cdecl __p__amblksiz(void);
  48 #define _amblksiz (*__p__amblksiz());
  49 #else
  50 extern unsigned int _amblksiz;
  51 #endif
  52
  53 #ifdef __cplusplus
  54 extern "C" {
  55 #endif
  56
  57 void*  __cdecl _expand(void*,size_t);
  58 int    __cdecl _heapadd(void*,size_t);
  59 int    __cdecl _heapchk(void);
  60 int    __cdecl _heapmin(void);
  61 int    __cdecl _heapset(unsigned int);
  62 size_t __cdecl _heapused(size_t*,size_t*);
  63 int    __cdecl _heapwalk(_HEAPINFO*);
  64 size_t __cdecl _msize(void*);
  65
  66 void*  __cdecl calloc(size_t,size_t);
  67 void   __cdecl free(void*);
  68 void*  __cdecl malloc(size_t);
  69 void*  __cdecl realloc(void*,size_t);
  70
  71 void   __cdecl _aligned_free(void*);
  72 void*  __cdecl _aligned_malloc(size_t,size_t);
  73 void*  __cdecl _aligned_offset_malloc(size_t,size_t,size_t);
  74 void*  __cdecl _aligned_realloc(void*,size_t,size_t);
  75 void*  __cdecl _aligned_offset_realloc(void*,size_t,size_t,size_t);
  76
  77 size_t __cdecl _get_sbh_threshold(void);
  78 int    __cdecl _set_sbh_threshold(size_t size);
  79
  80 #ifdef __cplusplus
  81 }
  82 #endif
  83
  84 # ifdef __GNUC__
  85 # define _alloca(x) __builtin_alloca((x))
  86 # define alloca(x) __builtin_alloca((x))
  87 # endif
  88
  89 #endif /* __WINE_MALLOC_H */