125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/***
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*malloc.h - declarations and definitions for memory allocation functions
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*
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* Copyright (c) 1985-1988, 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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#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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#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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#if (!defined(NO_EXT_KEYS))
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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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#else /* NO_EXT_KEYS */
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#if (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
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#ifndef _HEAPINFO_DEFINED
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typedef struct _heapinfo {
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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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#define _HEAPINFO_DEFINED
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#endif
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#endif /* M_I86CM || M_I86LM || M_I86HM */
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#endif /* NO_EXT_KEYS */
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#if (defined(M_I86SM) || defined(M_I86MM))
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#define _heapchk _nheapchk
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#define _heapset _nheapset
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#define _heapwalk _nheapwalk
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#endif
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#if (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
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#define _heapchk _fheapchk
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#define _heapset _fheapset
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#define _heapwalk _fheapwalk
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#endif
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#ifndef NO_EXT_KEYS /* extensions enabled */
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#define _CDECL cdecl
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#define _NEAR near
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#else /* extensions not enabled */
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#define _CDECL
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#define _NEAR
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#endif /* NO_EXT_KEYS */
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/* external variable declarations */
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extern unsigned int _NEAR _CDECL _amblksiz;
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/* function prototypes */
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void * _CDECL alloca(size_t);
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void * _CDECL calloc(size_t, size_t);
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void * _CDECL _expand(void *, size_t);
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int _CDECL _fheapchk(void);
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int _CDECL _fheapset(unsigned int);
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unsigned int _CDECL _freect(size_t);
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void _CDECL free(void *);
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void * _CDECL malloc(size_t);
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size_t _CDECL _memavl(void);
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size_t _CDECL _memmax(void);
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size_t _CDECL _msize(void *);
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int _CDECL _nheapchk(void);
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int _CDECL _nheapset(unsigned int);
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void * _CDECL realloc(void *, size_t);
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void * _CDECL sbrk(int);
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size_t _CDECL stackavail(void);
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#ifndef NO_EXT_KEYS /* extensions enabled */
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void cdecl _ffree(void far *);
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void far * cdecl _fmalloc(size_t);
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size_t cdecl _fmsize(void far *);
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#ifndef _QC
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void huge * cdecl halloc(long, size_t);
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void cdecl hfree(void huge *);
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#endif
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void cdecl _nfree(void near *);
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void near * cdecl _nmalloc(size_t);
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size_t cdecl _nmsize(void near *);
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int cdecl _nheapwalk(struct _heapinfo *);
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int cdecl _fheapwalk(struct _heapinfo *);
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#else
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#if (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
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int _nheapwalk(struct _heapinfo *);
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int _fheapwalk(struct _heapinfo *);
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#endif /* M_I86CM || M_I86LM || M_I86HM */
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#endif /* NO_EXT_KEYS */
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