104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
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/*
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* malloc.h
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is a part of the mingw-runtime package.
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* No warranty is given; refer to the file DISCLAIMER within the package.
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*
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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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* instead.
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*
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*/
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#ifndef _MALLOC_H_
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#define _MALLOC_H_
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/* All the headers include this file. */
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#include <_mingw.h>
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#include <stdlib.h>
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#ifndef RC_INVOKED
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/*
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* The structure used to walk through the heap with _heapwalk.
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*/
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typedef struct _heapinfo
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{
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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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/* Values for _heapinfo.useflag */
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#define _FREEENTRY 0
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#define _USEDENTRY 1
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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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/* maximum size of a user request for memory */
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#define _HEAP_MAXREQ 0xFFFFFFE0
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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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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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*/
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_CRTIMP int __cdecl __MINGW_NOTHROW _heapwalk (_HEAPINFO*);
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#ifdef __GNUC__
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#define _alloca(x) __builtin_alloca((x))
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#endif
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#ifndef _NO_OLDNAMES
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_CRTIMP int __cdecl __MINGW_NOTHROW heapwalk (_HEAPINFO*);
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#ifdef __GNUC__
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#define alloca(x) __builtin_alloca((x))
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#endif
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#endif /* Not _NO_OLDNAMES */
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_CRTIMP int __cdecl __MINGW_NOTHROW _heapchk (void); /* Verify heap integrety. */
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_CRTIMP int __cdecl __MINGW_NOTHROW _heapmin (void); /* Return unused heap to the OS. */
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_CRTIMP int __cdecl __MINGW_NOTHROW _heapset (unsigned int);
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_CRTIMP size_t __cdecl __MINGW_NOTHROW _msize (void*);
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_CRTIMP size_t __cdecl __MINGW_NOTHROW _get_sbh_threshold (void);
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_CRTIMP int __cdecl __MINGW_NOTHROW _set_sbh_threshold (size_t);
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_CRTIMP void* __cdecl __MINGW_NOTHROW _expand (void*, size_t);
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/* These require msvcr70.dll or higher. */
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#if __MSVCRT_VERSION__ >= 0x0700
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_CRTIMP void * __cdecl __MINGW_NOTHROW _aligned_offset_malloc(size_t, size_t, size_t);
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_CRTIMP void * __cdecl __MINGW_NOTHROW _aligned_offset_realloc(void*, size_t, size_t, size_t);
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_CRTIMP void * __cdecl __MINGW_NOTHROW _aligned_offset_recalloc(void*, size_t, size_t, size_t, size_t);
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_CRTIMP void * __cdecl __MINGW_NOTHROW _aligned_malloc (size_t, size_t);
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_CRTIMP void * __cdecl __MINGW_NOTHROW _aligned_realloc (void*, size_t, size_t);
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_CRTIMP void* __cdecl __MINGW_NOTHROW _aligned_recalloc(void*, size_t, size_t, size_t);
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_CRTIMP void __cdecl __MINGW_NOTHROW _aligned_free (void*);
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#endif /* __MSVCRT_VERSION__ >= 0x0700 */
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/* These require libmingwex.a. */
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void * __cdecl __MINGW_NOTHROW __mingw_aligned_offset_malloc (size_t, size_t, size_t);
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void * __cdecl __MINGW_NOTHROW __mingw_aligned_offset_realloc (void*, size_t, size_t, size_t);
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void * __cdecl __MINGW_NOTHROW __mingw_aligned_malloc (size_t, size_t);
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void * __cdecl __MINGW_NOTHROW __mingw_aligned_realloc (void*, size_t, size_t);
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void __cdecl __MINGW_NOTHROW __mingw_aligned_free (void*);
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#ifdef __cplusplus
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}
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#endif
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#endif /* RC_INVOKED */
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#endif /* Not _MALLOC_H_ */
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