/usr/x86_64-w64-mingw32/include/malloc.h is in mingw-w64-x86-64-dev 2.0.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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.PD within this package.
*/
#ifndef _MALLOC_H_
#define _MALLOC_H_
#include <_mingw.h>
#pragma pack(push,_CRT_PACKING)
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _WIN64
#define _HEAP_MAXREQ 0xFFFFFFFFFFFFFFE0
#else
#define _HEAP_MAXREQ 0xFFFFFFE0
#endif
#ifndef _STATIC_ASSERT
#if defined(_MSC_VER)
#define _STATIC_ASSERT(expr) typedef char __static_assert_t[(expr)]
#else
#define _STATIC_ASSERT(expr) extern void __static_assert_t(int [(expr)?1:-1])
#endif
#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
#ifndef _MM_MALLOC_H_INCLUDED
#define _MM_MALLOC_H_INCLUDED
#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
void *__cdecl calloc(size_t _NumOfElements,size_t _SizeOfElements);
void __cdecl free(void *_Memory);
void *__cdecl malloc(size_t _Size);
void *__cdecl realloc(void *_Memory,size_t _NewSize);
_CRTIMP void *__cdecl _recalloc(void *_Memory,size_t _Count,size_t _Size);
#ifdef __DO_ALIGN_DEFINES
_CRTIMP void __cdecl _aligned_free(void *_Memory);
_CRTIMP void *__cdecl _aligned_malloc(size_t _Size,size_t _Alignment);
#endif
_CRTIMP void *__cdecl _aligned_offset_malloc(size_t _Size,size_t _Alignment,size_t _Offset);
_CRTIMP void *__cdecl _aligned_realloc(void *_Memory,size_t _Size,size_t _Alignment);
_CRTIMP void *__cdecl _aligned_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment);
_CRTIMP void *__cdecl _aligned_offset_realloc(void *_Memory,size_t _Size,size_t _Alignment,size_t _Offset);
_CRTIMP void *__cdecl _aligned_offset_recalloc(void *_Memory,size_t _Count,size_t _Size,size_t _Alignment,size_t _Offset);
#endif
#ifdef __DO_ALIGN_DEFINES
#undef __DO_ALIGN_DEFINES
#pragma pop_macro("_aligned_malloc")
#pragma pop_macro("_aligned_free")
#endif
/* Users should really use MS provided versions */
void * __mingw_aligned_malloc (size_t _Size, size_t _Alignment);
void __mingw_aligned_free (void *_Memory);
void * __mingw_aligned_offset_realloc (void *_Memory, size_t _Size, size_t _Alignment, size_t _Offset);
void * __mingw_aligned_realloc (void *_Memory, size_t _Size, size_t _Offset);
#define _MAX_WAIT_MALLOC_CRT 60000
_CRTIMP int __cdecl _resetstkoflw (void);
_CRTIMP unsigned long __cdecl _set_malloc_crt_max_wait(unsigned long _NewValue);
_CRTIMP void *__cdecl _expand(void *_Memory,size_t _NewSize);
_CRTIMP size_t __cdecl _msize(void *_Memory);
#ifdef __GNUC__
#undef _alloca
#define _alloca(x) __builtin_alloca((x))
#else
void *__cdecl _alloca(size_t _Size) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
#endif
_CRTIMP size_t __cdecl _get_sbh_threshold(void);
_CRTIMP int __cdecl _set_sbh_threshold(size_t _NewValue);
_CRTIMP errno_t __cdecl _set_amblksiz(size_t _Value);
_CRTIMP errno_t __cdecl _get_amblksiz(size_t *_Value);
_CRTIMP int __cdecl _heapadd(void *_Memory,size_t _Size);
_CRTIMP int __cdecl _heapchk(void);
_CRTIMP int __cdecl _heapmin(void);
_CRTIMP int __cdecl _heapset(unsigned int _Fill);
_CRTIMP int __cdecl _heapwalk(_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
#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
#undef alloca
#ifdef __GNUC__
#define alloca(x) __builtin_alloca((x))
#else
#define alloca _alloca
#endif
#endif
#ifdef HEAPHOOK
#ifndef _HEAPHOOK_DEFINED
#define _HEAPHOOK_DEFINED
typedef int (__cdecl *_HEAPHOOK)(int,size_t,void *,void **);
#endif
_CRTIMP _HEAPHOOK __cdecl _setheaphook(_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_ */
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