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 extern unsigned int* __p__amblksiz(void);
  47 #define _amblksiz (*__p__amblksiz());
  48
  49 #ifdef __cplusplus
  50 extern "C" {
  51 #endif
  52
  53 void*       _expand(void*,size_t);
  54 int         _heapadd(void*,size_t);
  55 int         _heapchk(void);
  56 int         _heapmin(void);
  57 int         _heapset(unsigned int);
  58 size_t _heapused(size_t*,size_t*);
  59 int         _heapwalk(_HEAPINFO*);
  60 size_t _msize(void*);
  61
  62 void*       calloc(size_t,size_t);
  63 void        free(void*);
  64 void*       malloc(size_t);
  65 void*       realloc(void*,size_t);
  66
  67 void        _aligned_free(void*);
  68 void*       _aligned_malloc(size_t,size_t);
  69 void*       _aligned_offset_malloc(size_t,size_t,size_t);
  70 void*       _aligned_realloc(void*,size_t,size_t);
  71 void*       _aligned_offset_realloc(void*,size_t,size_t,size_t);
  72
  73 size_t _get_sbh_threshold(void);
  74 int _set_sbh_threshold(size_t size);
  75
  76 #ifdef __cplusplus
  77 }
  78 #endif
  79
  80 # ifdef __GNUC__
  81 # define _alloca(x) __builtin_alloca((x))
  82 # define alloca(x) __builtin_alloca((x))
  83 # endif
  84
  85 #endif /* __WINE_MALLOC_H */