137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
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/***
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*malloc.h - declarations and definitions for memory allocation functions
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*
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* Copyright (c) 1985-1990, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Contains the function declarations for memory allocation functions;
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* also defines manifest constants and types used by the heap routines.
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* [System V]
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*
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****/
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#if defined(_DLL) && !defined(_MT)
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#error Cannot define _DLL without _MT
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#endif
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#ifdef _MT
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#define _FAR_ _far
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#else
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#define _FAR_
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#endif
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/* constants for based heap routines */
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#if (_MSC_VER >= 600)
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#define _NULLSEG ((_segment)0)
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#define _NULLOFF ((void _based(void) *)0xffff)
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#endif
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/* constants for _heapchk/_heapset/_heapwalk routines */
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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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#define _FREEENTRY 0
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#define _USEDENTRY 1
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/* maximum heap request that can ever be honored */
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#define _HEAP_MAXREQ 0xFFE8
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/* types and structures */
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#ifndef _SIZE_T_DEFINED
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typedef unsigned int size_t;
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#define _SIZE_T_DEFINED
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#endif
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#ifndef _HEAPINFO_DEFINED
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typedef struct _heapinfo {
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int _far * _pentry;
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size_t _size;
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int _useflag;
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} _HEAPINFO;
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#define _HEAPINFO_DEFINED
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#endif
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/* external variable declarations */
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#ifdef _DLL
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extern unsigned int _FAR_ _cdecl _amblksiz;
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#else
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extern unsigned int _near _cdecl _amblksiz;
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#endif
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/* based heap function prototypes */
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#if (_MSC_VER >= 600)
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void _based(void) * _FAR_ _cdecl _bcalloc(_segment, size_t, size_t);
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void _based(void) * _FAR_ _cdecl _bexpand(_segment,
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void _based(void) *, size_t);
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void _FAR_ _cdecl _bfree(_segment, void _based(void) *);
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int _FAR_ _cdecl _bfreeseg(_segment);
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int _FAR_ _cdecl _bheapadd(_segment, void _based(void) *, size_t);
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int _FAR_ _cdecl _bheapchk(_segment);
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int _FAR_ _cdecl _bheapmin(_segment);
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_segment _FAR_ _cdecl _bheapseg(size_t);
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int _FAR_ _cdecl _bheapset(_segment, unsigned int);
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int _FAR_ _cdecl _bheapwalk(_segment, _HEAPINFO *);
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void _based(void) * _FAR_ _cdecl _bmalloc(_segment, size_t);
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size_t _FAR_ _cdecl _bmsize(_segment, void _based(void) *);
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void _based(void) * _FAR_ _cdecl _brealloc(_segment,
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void _based(void) *, size_t);
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#endif
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/* function prototypes */
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void _FAR_ * _FAR_ _cdecl alloca(size_t);
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void _FAR_ * _FAR_ _cdecl calloc(size_t, size_t);
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void _FAR_ * _FAR_ _cdecl _expand(void _FAR_ *, size_t);
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void _far * _FAR_ _cdecl _fcalloc(size_t, size_t);
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void _far * _FAR_ _cdecl _fexpand(void _far *, size_t);
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void _FAR_ _cdecl _ffree(void _far *);
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int _FAR_ _cdecl _fheapchk(void);
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int _FAR_ _cdecl _fheapmin(void);
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int _FAR_ _cdecl _fheapset(unsigned int);
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int _FAR_ _cdecl _fheapwalk(_HEAPINFO _FAR_ *);
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void _far * _FAR_ _cdecl _fmalloc(size_t);
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size_t _FAR_ _cdecl _fmsize(void _far *);
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void _far * _FAR_ _cdecl _frealloc(void _far *, size_t);
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unsigned int _FAR_ _cdecl _freect(size_t);
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void _FAR_ _cdecl free(void _FAR_ *);
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void _huge * _FAR_ _cdecl halloc(long, size_t);
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void _FAR_ _cdecl hfree(void _huge *);
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int _FAR_ _cdecl _heapadd(void _far *, size_t);
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int _FAR_ _cdecl _heapchk(void);
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int _FAR_ _cdecl _heapmin(void);
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int _FAR_ _cdecl _heapset(unsigned int);
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int _FAR_ _cdecl _heapwalk(_HEAPINFO _FAR_ *);
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void _FAR_ * _FAR_ _cdecl malloc(size_t);
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size_t _FAR_ _cdecl _memavl(void);
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size_t _FAR_ _cdecl _memmax(void);
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size_t _FAR_ _cdecl _msize(void _FAR_ *);
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void _near * _FAR_ _cdecl _ncalloc(size_t, size_t);
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void _near * _FAR_ _cdecl _nexpand(void _near *, size_t);
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void _FAR_ _cdecl _nfree(void _near *);
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int _FAR_ _cdecl _nheapchk(void);
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int _FAR_ _cdecl _nheapmin(void);
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int _FAR_ _cdecl _nheapset(unsigned int);
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int _FAR_ _cdecl _nheapwalk(_HEAPINFO _FAR_ *);
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void _near * _FAR_ _cdecl _nmalloc(size_t);
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size_t _FAR_ _cdecl _nmsize(void _near *);
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void _near * _FAR_ _cdecl _nrealloc(void _near *, size_t);
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void _FAR_ * _FAR_ _cdecl realloc(void _FAR_ *, size_t);
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size_t _FAR_ _cdecl stackavail(void);
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