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