reactos/sdk/include/crt/malloc.h

391 lines
7.3 KiB
C

/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the w64 mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER within this package.
*/
#ifndef _MALLOC_H_
#define _MALLOC_H_
#include <crtdefs.h>
#pragma pack(push,_CRT_PACKING)
#ifndef _MM_MALLOC_H_INCLUDED
#define _MM_MALLOC_H_INCLUDED
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _WIN64
#define _HEAP_MAXREQ 0xFFFFFFFFFFFFFFE0
#else
#define _HEAP_MAXREQ 0xFFFFFFE0
#endif
#ifndef _STATIC_ASSERT
#define _STATIC_ASSERT(expr) extern char (*static_assert(void)) [(expr) ? 1 : -1]
#endif
/* Return codes for _heapwalk() */
#define _HEAPEMPTY (-1)
#define _HEAPOK (-2)
#define _HEAPBADBEGIN (-3)
#define _HEAPBADNODE (-4)
#define _HEAPEND (-5)
#define _HEAPBADPTR (-6)
/* Values for _heapinfo.useflag */
#define _FREEENTRY 0
#define _USEDENTRY 1
#ifndef _HEAPINFO_DEFINED
#define _HEAPINFO_DEFINED
/* The structure used to walk through the heap with _heapwalk. */
typedef struct _heapinfo {
int *_pentry;
size_t _size;
int _useflag;
} _HEAPINFO;
#endif
extern unsigned int _amblksiz;
/* Make sure that X86intrin.h doesn't produce here collisions. */
#if (!defined (_XMMINTRIN_H_INCLUDED) && !defined (_MM_MALLOC_H_INCLUDED)) || defined(_aligned_malloc)
#define __DO_ALIGN_DEFINES
#endif
#ifdef __DO_ALIGN_DEFINES
#pragma push_macro("_aligned_free")
#pragma push_macro("_aligned_malloc")
#undef _aligned_free
#undef _aligned_malloc
#endif
#define _mm_free(a) _aligned_free(a)
#define _mm_malloc(a,b) _aligned_malloc(a,b)
#ifndef _CRT_ALLOCATION_DEFINED
#define _CRT_ALLOCATION_DEFINED
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_NumOfElements * _SizeOfElements)
void*
__cdecl
calloc(
_In_ size_t _NumOfElements,
_In_ size_t _SizeOfElements);
void
__cdecl
free(
_Pre_maybenull_ _Post_invalid_ void *_Memory);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Size)
void*
__cdecl
malloc(
_In_ size_t _Size);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_NewSize)
void*
__cdecl
realloc(
_Pre_maybenull_ _Post_invalid_ void *_Memory,
_In_ size_t _NewSize);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Count * _Size)
_CRTIMP
void*
__cdecl
_recalloc(
_Pre_maybenull_ _Post_invalid_ void *_Memory,
_In_ size_t _Count,
_In_ size_t _Size);
#ifdef __DO_ALIGN_DEFINES
_CRTIMP
void
__cdecl
_aligned_free(
_Pre_maybenull_ _Post_invalid_ void *_Memory);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Size)
_CRTIMP
void*
__cdecl
_aligned_malloc(
_In_ size_t _Size,
_In_ size_t _Alignment);
#endif /* __DO_ALIGN_DEFINES */
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Size)
_CRTIMP
void*
__cdecl
_aligned_offset_malloc(
_In_ size_t _Size,
_In_ size_t _Alignment,
_In_ size_t _Offset);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Size)
_CRTIMP
void*
__cdecl
_aligned_realloc(
_Pre_maybenull_ _Post_invalid_ void *_Memory,
_In_ size_t _Size,
_In_ size_t _Alignment);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Count * _Size)
_CRTIMP
void*
__cdecl
_aligned_recalloc(
_Pre_maybenull_ _Post_invalid_ void *_Memory,
_In_ size_t _Count,
_In_ size_t _Size,
_In_ size_t _Alignment);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Size)
_CRTIMP
void*
__cdecl
_aligned_offset_realloc(
_Pre_maybenull_ _Post_invalid_ void *_Memory,
_In_ size_t _Size,
_In_ size_t _Alignment,
_In_ size_t _Offset);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_Count * _Size)
_CRTIMP
void*
__cdecl
_aligned_offset_recalloc(
_Pre_maybenull_ _Post_invalid_ void *_Memory,
_In_ size_t _Count,
_In_ size_t _Size,
_In_ size_t _Alignment,
_In_ size_t _Offset);
#endif /* _CRT_ALLOCATION_DEFINED */
#ifdef __DO_ALIGN_DEFINES
#undef __DO_ALIGN_DEFINES
#pragma pop_macro("_aligned_malloc")
#pragma pop_macro("_aligned_free")
#endif
#define _MAX_WAIT_MALLOC_CRT 60000
_CRTIMP int __cdecl _resetstkoflw (void);
_CRTIMP
unsigned long
__cdecl
_set_malloc_crt_max_wait(
_In_ unsigned long _NewValue);
_Check_return_
_Ret_maybenull_
_Post_writable_byte_size_(_NewSize)
_CRTIMP
void*
__cdecl
_expand(
_In_opt_ void *_Memory,
_In_ size_t _NewSize);
_Check_return_
_CRTIMP
size_t
__cdecl
_msize(
_In_ void *_Memory);
#ifdef __GNUC__
#undef _alloca
#define _alloca(x) __builtin_alloca((x))
#else
_Ret_notnull_
_Post_writable_byte_size_(_Size)
void*
__cdecl
_alloca(
_In_ size_t _Size);
#endif
_Check_return_
_CRTIMP
size_t
__cdecl
_get_sbh_threshold(void);
_CRTIMP
int
__cdecl
_set_sbh_threshold(
_In_ size_t _NewValue);
_CRTIMP
errno_t
__cdecl
_set_amblksiz(
_In_ size_t _Value);
_CRTIMP
errno_t
__cdecl
_get_amblksiz(
_Out_ size_t *_Value);
_Check_return_
_CRTIMP
int
__cdecl
_heapadd(
_In_ void *_Memory,
_In_ size_t _Size);
_Check_return_
_CRTIMP
int
__cdecl
_heapchk(void);
_Check_return_
_CRTIMP
int
__cdecl
_heapmin(void);
_CRTIMP
int
__cdecl
_heapset(
_In_ unsigned int _Fill);
_CRTIMP
int
__cdecl
_heapwalk(
_Inout_ _HEAPINFO *_EntryInfo);
_CRTIMP
size_t
__cdecl
_heapused(
size_t *_Used,
size_t *_Commit);
_CRTIMP
intptr_t
__cdecl
_get_heap_handle(void);
#define _ALLOCA_S_THRESHOLD 1024
#define _ALLOCA_S_STACK_MARKER 0xCCCC
#define _ALLOCA_S_HEAP_MARKER 0xDDDD
#if(defined(_X86_) && !defined(__x86_64))
#define _ALLOCA_S_MARKER_SIZE 8
#elif defined(__ia64__) || defined(__x86_64)
#define _ALLOCA_S_MARKER_SIZE 16
#elif defined(__arm__)
#define _ALLOCA_S_MARKER_SIZE 8
#endif
#if !defined(RC_INVOKED)
static __inline void *_MarkAllocaS(void *_Ptr,unsigned int _Marker) {
if(_Ptr) {
*((unsigned int*)_Ptr) = _Marker;
_Ptr = (char*)_Ptr + _ALLOCA_S_MARKER_SIZE;
}
return _Ptr;
}
#endif
#undef _malloca
#define _malloca(size) \
((((size) + _ALLOCA_S_MARKER_SIZE) <= _ALLOCA_S_THRESHOLD) ? \
_MarkAllocaS(_alloca((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_STACK_MARKER) : \
_MarkAllocaS(malloc((size) + _ALLOCA_S_MARKER_SIZE),_ALLOCA_S_HEAP_MARKER))
#undef _FREEA_INLINE
#define _FREEA_INLINE
#ifndef RC_INVOKED
#undef _freea
static __inline void __cdecl _freea(void *_Memory) {
unsigned int _Marker;
if(_Memory) {
_Memory = (char*)_Memory - _ALLOCA_S_MARKER_SIZE;
_Marker = *(unsigned int *)_Memory;
if(_Marker==_ALLOCA_S_HEAP_MARKER) {
free(_Memory);
}
#ifdef _ASSERTE
else if(_Marker!=_ALLOCA_S_STACK_MARKER) {
_ASSERTE(("Corrupted pointer passed to _freea",0));
}
#endif
}
}
#endif /* RC_INVOKED */
#ifndef NO_OLDNAMES
#define alloca _alloca
#endif
#ifdef HEAPHOOK
#ifndef _HEAPHOOK_DEFINED
#define _HEAPHOOK_DEFINED
typedef int (__cdecl *_HEAPHOOK)(int,size_t,void *,void **);
#endif
_CRTIMP
_HEAPHOOK
__cdecl
_setheaphook(
_In_opt_ _HEAPHOOK _NewHook);
#define _HEAP_MALLOC 1
#define _HEAP_CALLOC 2
#define _HEAP_FREE 3
#define _HEAP_REALLOC 4
#define _HEAP_MSIZE 5
#define _HEAP_EXPAND 6
#endif
#ifdef __cplusplus
}
#endif
#pragma pack(pop)
#endif /* _MALLOC_H_ */