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/*
* malloc.h
* This file has no copyright assigned and is placed in the Public Domain.
* This file is a part of the mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER within the package.
*
* Support for programs which want to use malloc.h to get memory management
* functions. Unless you absolutely need some of these functions and they are
* not in the ANSI headers you should use the ANSI standard header files
* instead.
*
*/
#ifndef _MALLOC_H_
#define _MALLOC_H_
/* All the headers include this file. */
#include <_mingw.h>
#include <stdlib.h>
#ifndef RC_INVOKED
/*
* The structure used to walk through the heap with _heapwalk.
*/
typedef struct _heapinfo
{
int* _pentry;
size_t _size;
int _useflag;
} _HEAPINFO;
/* Values for _heapinfo.useflag */
#define _FREEENTRY 0
#define _USEDENTRY 1
/* Return codes for _heapwalk() */
#define _HEAPEMPTY (-1)
#define _HEAPOK (-2)
#define _HEAPBADBEGIN (-3)
#define _HEAPBADNODE (-4)
#define _HEAPEND (-5)
#define _HEAPBADPTR (-6)
#ifdef __cplusplus
extern "C" {
#endif
/*
The _heap* memory allocation functions are supported on NT
but not W9x. On latter, they always set errno to ENOSYS.
*/
_CRTIMP int __cdecl _heapwalk (_HEAPINFO*);
#ifdef __GNUC__
#define _alloca(x) __builtin_alloca((x))
#endif
#ifndef _NO_OLDNAMES
_CRTIMP int __cdecl heapwalk (_HEAPINFO*);
#ifdef __GNUC__
#define alloca(x) __builtin_alloca((x))
#endif
#endif /* Not _NO_OLDNAMES */
_CRTIMP int __cdecl _heapchk (void); /* Verify heap integrety. */
_CRTIMP int __cdecl _heapmin (void); /* Return unused heap to the OS. */
_CRTIMP int __cdecl _heapset (unsigned int);
_CRTIMP size_t __cdecl _msize (void*);
_CRTIMP size_t __cdecl _get_sbh_threshold (void);
_CRTIMP int __cdecl _set_sbh_threshold (size_t);
_CRTIMP void* __cdecl _expand (void*, size_t);
/* These require msvcr70.dll or higher. */
#if __MSVCRT_VERSION__ >= 0x0700
_CRTIMP void * __cdecl _aligned_offset_malloc(size_t, size_t, size_t);
_CRTIMP void * __cdecl _aligned_offset_realloc(void*, size_t, size_t, size_t);
_CRTIMP void * __cdecl _aligned_malloc (size_t, size_t);
_CRTIMP void * __cdecl _aligned_realloc (void*, size_t, size_t);
_CRTIMP void __cdecl _aligned_free (void*);
#endif /* __MSVCRT_VERSION__ >= 0x0700 */
/* These require libmingwex.a. */
void * __cdecl __mingw_aligned_offset_malloc (size_t, size_t, size_t);
void * __cdecl __mingw_aligned_offset_realloc (void*, size_t, size_t, size_t);
void * __cdecl __mingw_aligned_malloc (size_t, size_t);
void * __cdecl __mingw_aligned_realloc (void*, size_t, size_t);
void __cdecl __mingw_aligned_free (void*);
#ifdef __cplusplus
}
#endif
#endif /* RC_INVOKED */
#endif /* Not _MALLOC_H_ */
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