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* Support for programs which want to use malloc.h to get memory management
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* functions. Unless you absolutely need some of these functions and they are
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* not in the ANSI headers you should use the ANSI standard header files
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* This file is part of the Mingw32 package.
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* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
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* THIS SOFTWARE IS NOT COPYRIGHTED
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAIMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* $Date: 2005/04/17 13:14:29 $
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the w64 mingw-runtime package.
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* No warranty is given; refer to the file DISCLAIMER within this package.
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#ifndef __STRICT_ANSI__
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/* All the headers include this file. */
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#pragma pack(push,_CRT_PACKING)
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#ifndef _MM_MALLOC_H_INCLUDED
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#define _MM_MALLOC_H_INCLUDED
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#define _HEAP_MAXREQ 0xFFFFFFFFFFFFFFE0
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#define _HEAP_MAXREQ 0xFFFFFFE0
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#ifndef _STATIC_ASSERT
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#define _STATIC_ASSERT(expr) typedef char __static_assert_t[(expr)]
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/* Return codes for _heapwalk() */
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#define _HEAPEMPTY (-1)
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#define _HEAPBADBEGIN (-3)
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#define _HEAPBADNODE (-4)
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#define _HEAPBADPTR (-6)
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/* Values for _heapinfo.useflag */
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#ifndef _HEAPINFO_DEFINED
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#define _HEAPINFO_DEFINED
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/* The structure used to walk through the heap with _heapwalk. */
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typedef struct _heapinfo {
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extern unsigned int _amblksiz;
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#define _mm_free(a) _aligned_free(a)
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#define _mm_malloc(a,b) _aligned_malloc(a,b)
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#ifndef _CRT_ALLOCATION_DEFINED
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#define _CRT_ALLOCATION_DEFINED
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void *__cdecl calloc(size_t _NumOfElements,size_t _SizeOfElements);
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void __cdecl free(void *_Memory);
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void *__cdecl malloc(size_t _Size);
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void *__cdecl realloc(void *_Memory,size_t _NewSize);
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_CRTIMP void *__cdecl _recalloc(void *_Memory,size_t _Count,size_t _Size);
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/* _CRTIMP void __cdecl _aligned_free(void *_Memory);
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_CRTIMP void *__cdecl _aligned_malloc(size_t _Size,size_t _Alignment); */
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_CRTIMP void *__cdecl _aligned_offset_malloc(size_t _Size,size_t _Alignment,size_t _Offset);
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_CRTIMP void *__cdecl _aligned_realloc(void *_Memory,size_t _Size,size_t _Alignment);
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_CRTIMP void *__cdecl _aligned_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment);
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_CRTIMP void *__cdecl _aligned_offset_realloc(void *_Memory,size_t _Size,size_t _Alignment,size_t _Offset);
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_CRTIMP void *__cdecl _aligned_offset_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment,size_t _Offset);
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#define _MAX_WAIT_MALLOC_CRT 60000
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_CRTIMP int __cdecl _resetstkoflw (void);
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_CRTIMP unsigned long __cdecl _set_malloc_crt_max_wait(unsigned long _NewValue);
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_CRTIMP void *__cdecl _expand(void *_Memory,size_t _NewSize);
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_CRTIMP size_t __cdecl _msize(void *_Memory);
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#define _alloca(x) __builtin_alloca((x))
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void *__cdecl _alloca(size_t _Size);
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_CRTIMP size_t __cdecl _get_sbh_threshold(void);
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_CRTIMP int __cdecl _set_sbh_threshold(size_t _NewValue);
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_CRTIMP errno_t __cdecl _set_amblksiz(size_t _Value);
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_CRTIMP errno_t __cdecl _get_amblksiz(size_t *_Value);
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_CRTIMP int __cdecl _heapadd(void *_Memory,size_t _Size);
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_CRTIMP int __cdecl _heapchk(void);
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_CRTIMP int __cdecl _heapmin(void);
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_CRTIMP int __cdecl _heapset(unsigned int _Fill);
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_CRTIMP int __cdecl _heapwalk(_HEAPINFO *_EntryInfo);
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_CRTIMP size_t __cdecl _heapused(size_t *_Used,size_t *_Commit);
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_CRTIMP intptr_t __cdecl _get_heap_handle(void);
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#define _ALLOCA_S_THRESHOLD 1024
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#define _ALLOCA_S_STACK_MARKER 0xCCCC
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#define _ALLOCA_S_HEAP_MARKER 0xDDDD
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#if(defined(_X86_) && !defined(__x86_64))
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#define _ALLOCA_S_MARKER_SIZE 8
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#elif defined(__ia64__) || defined(__x86_64)
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#define _ALLOCA_S_MARKER_SIZE 16
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#if !defined(RC_INVOKED)
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static __inline void *_MarkAllocaS(void *_Ptr,unsigned int _Marker) {
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*((unsigned int*)_Ptr) = _Marker;
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_Ptr = (char*)_Ptr + _ALLOCA_S_MARKER_SIZE;
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#define _malloca(size) \
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((((size) + _ALLOCA_S_MARKER_SIZE) <= _ALLOCA_S_THRESHOLD) ? \
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_MarkAllocaS(_alloca((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_STACK_MARKER) : \
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_MarkAllocaS(malloc((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_HEAP_MARKER))
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#define _FREEA_INLINE
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#ifndef RC_INVOKED
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* The structure used to walk through the heap with _heapwalk.
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typedef struct _heapinfo
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/* Values for _heapinfo.useflag */
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The _heap* memory allocation functions are supported on NT
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but not W9x. On latter, they always set errno to ENOSYS.
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int _heapwalk (_HEAPINFO*);
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int heapwalk (_HEAPINFO*);
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#endif /* Not _NO_OLDNAMES */
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int _heapchk (void); /* Verify heap integrety. */
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int _heapmin (void); /* Return unused heap to the OS. */
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int _heapset (unsigned int);
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size_t _msize (void*);
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size_t _get_sbh_threshold (void);
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int _set_sbh_threshold (size_t);
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void * _expand (void*, size_t);
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static __inline void __cdecl _freea(void *_Memory) {
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unsigned int _Marker;
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_Memory = (char*)_Memory - _ALLOCA_S_MARKER_SIZE;
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_Marker = *(unsigned int *)_Memory;
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if(_Marker==_ALLOCA_S_HEAP_MARKER) {
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else if(_Marker!=_ALLOCA_S_STACK_MARKER) {
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_ASSERTE(("Corrupted pointer passed to _freea",0));
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#endif /* RC_INVOKED */
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#define alloca(x) __builtin_alloca((x))
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#ifndef _HEAPHOOK_DEFINED
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#define _HEAPHOOK_DEFINED
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typedef int (__cdecl *_HEAPHOOK)(int,size_t,void *,void **);
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_CRTIMP _HEAPHOOK __cdecl _setheaphook(_HEAPHOOK _NewHook);
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#define _HEAP_MALLOC 1
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#define _HEAP_CALLOC 2
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#define _HEAP_REALLOC 4
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#define _HEAP_MSIZE 5
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#define _HEAP_EXPAND 6
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#ifdef __cplusplus
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#endif /* RC_INVOKED */
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#endif /* Not _MALLOC_H_ */
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#endif /* Not __STRICT_ANSI__ */
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#endif /* _MALLOC_H_ */