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/** |
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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 mingw-w64 runtime package. |
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* No warranty is given; refer to the file DISCLAIMER.PD within this package. |
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*/ |
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#ifndef _MALLOC_H_ |
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#define _MALLOC_H_ |
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|
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#include <crtdefs.h> |
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|
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#pragma pack(push,_CRT_PACKING) |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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#ifdef _WIN64 |
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#define _HEAP_MAXREQ 0xFFFFFFFFFFFFFFE0 |
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#else |
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#define _HEAP_MAXREQ 0xFFFFFFE0 |
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#endif |
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|
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#ifndef _STATIC_ASSERT |
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#if defined(_MSC_VER) |
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#define _STATIC_ASSERT(expr) typedef char __static_assert_t[(expr)] |
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#else |
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#define _STATIC_ASSERT(expr) extern void __static_assert_t(int [(expr)?1:-1]) |
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#endif |
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#endif |
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|
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/* Return codes for _heapwalk() */ |
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#define _HEAPEMPTY (-1) |
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#define _HEAPOK (-2) |
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#define _HEAPBADBEGIN (-3) |
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#define _HEAPBADNODE (-4) |
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#define _HEAPEND (-5) |
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#define _HEAPBADPTR (-6) |
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|
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/* Values for _heapinfo.useflag */ |
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#define _FREEENTRY 0 |
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#define _USEDENTRY 1 |
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|
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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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int *_pentry; |
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size_t _size; |
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int _useflag; |
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} _HEAPINFO; |
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#endif |
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|
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extern unsigned int _amblksiz; |
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|
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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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|
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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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|
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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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#endif |
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|
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/* Users should really use MS provided versions */ |
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void * __mingw_aligned_malloc (size_t _Size, size_t _Alignment); |
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void __mingw_aligned_free (void *_Memory); |
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void * __mingw_aligned_offset_realloc (void *_Memory, size_t _Size, size_t _Alignment, size_t _Offset); |
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void * __mingw_aligned_realloc (void *_Memory, size_t _Size, size_t _Offset); |
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|
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/* Get the compiler's definition of _mm_malloc and _mm_free. */ |
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#include <mm_malloc.h> |
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|
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#define _MAX_WAIT_MALLOC_CRT 60000 |
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|
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#ifdef _CRT_USE_WINAPI_FAMILY_DESKTOP_APP |
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_CRTIMP int __cdecl _resetstkoflw (void); |
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#endif /* _CRT_USE_WINAPI_FAMILY_DESKTOP_APP */ |
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_CRTIMP unsigned long __cdecl _set_malloc_crt_max_wait(unsigned long _NewValue); |
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|
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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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#ifdef __GNUC__ |
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#undef _alloca |
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#define _alloca(x) __builtin_alloca((x)) |
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#else |
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void *__cdecl _alloca(size_t _Size) __MINGW_ATTRIB_DEPRECATED_SEC_WARN; |
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#endif |
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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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|
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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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|
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#if defined(_ARM_) || (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) || defined(__aarch64__) |
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#define _ALLOCA_S_MARKER_SIZE 16 |
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#endif |
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|
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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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if(_Ptr) { |
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*((unsigned int*)_Ptr) = _Marker; |
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_Ptr = (char*)_Ptr + _ALLOCA_S_MARKER_SIZE; |
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} |
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return _Ptr; |
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} |
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#endif |
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|
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#undef _malloca |
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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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#undef _FREEA_INLINE |
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#define _FREEA_INLINE |
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|
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#ifndef RC_INVOKED |
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#undef _freea |
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static __inline void __cdecl _freea(void *_Memory) { |
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unsigned int _Marker; |
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if(_Memory) { |
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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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free(_Memory); |
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} |
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#ifdef _ASSERTE |
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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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} |
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#endif |
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} |
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} |
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#endif /* RC_INVOKED */ |
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|
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#ifndef NO_OLDNAMES |
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#undef alloca |
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#ifdef __GNUC__ |
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#define alloca(x) __builtin_alloca((x)) |
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#else |
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#define alloca _alloca |
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#endif |
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#endif |
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|
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#ifdef HEAPHOOK |
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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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#endif |
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|
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_CRTIMP _HEAPHOOK __cdecl _setheaphook(_HEAPHOOK _NewHook); |
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|
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#define _HEAP_MALLOC 1 |
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#define _HEAP_CALLOC 2 |
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#define _HEAP_FREE 3 |
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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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#endif |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#pragma pack(pop) |
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|
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#endif /* _MALLOC_H_ */ |
