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[wine/hacks.git] / include / msvcrt / malloc.h
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1 /*
2 * Heap definitions
4 * Copyright 2001 Francois Gouget.
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.
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.
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
20 #ifndef __WINE_MALLOC_H
21 #define __WINE_MALLOC_H
23 #include <crtdefs.h>
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
33 #define _FREEENTRY 0
34 #define _USEDENTRY 1
36 #ifndef _HEAPINFO_DEFINED
37 #define _HEAPINFO_DEFINED
38 typedef struct _heapinfo
40 int* _pentry;
41 size_t _size;
42 int _useflag;
43 } _HEAPINFO;
44 #endif /* _HEAPINFO_DEFINED */
46 extern unsigned int* __p__amblksiz(void);
47 #define _amblksiz (*__p__amblksiz());
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
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*);
62 void* calloc(size_t,size_t);
63 void free(void*);
64 void* malloc(size_t);
65 void* realloc(void*,size_t);
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);
73 size_t _get_sbh_threshold(void);
74 int _set_sbh_threshold(size_t size);
76 #ifdef __cplusplus
78 #endif
80 # ifdef __GNUC__
81 # define _alloca(x) __builtin_alloca((x))
82 # define alloca(x) __builtin_alloca((x))
83 # endif
85 #endif /* __WINE_MALLOC_H */