195 lines
3.9 KiB
C
195 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) 1985-1995, 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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* [Public]
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*
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****/
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#ifndef _INC_MALLOC
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#define _INC_MALLOC
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#if !defined(_WIN32) && !defined(_MAC)
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#error ERROR: Only Mac or Win32 targets supported!
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#endif
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#ifdef _MSC_VER
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/*
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* Currently, all MS C compilers for Win32 platforms default to 8 byte
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* alignment.
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*/
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Define _CRTAPI1 (for compatibility with the NT SDK) */
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#ifndef _CRTAPI1
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#if _MSC_VER >= 800 && _M_IX86 >= 300
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#define _CRTAPI1 __cdecl
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#else
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#define _CRTAPI1
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#endif
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#endif
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/* Define _CRTAPI2 (for compatibility with the NT SDK) */
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#ifndef _CRTAPI2
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#if _MSC_VER >= 800 && _M_IX86 >= 300
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#define _CRTAPI2 __cdecl
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#else
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#define _CRTAPI2
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#endif
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#endif
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/* Define _CRTIMP */
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#ifndef _CRTIMP
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#ifdef _NTSDK
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/* definition compatible with NT SDK */
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#define _CRTIMP
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#else /* ndef _NTSDK */
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/* current definition */
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#ifdef _DLL
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#define _CRTIMP __declspec(dllimport)
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#else /* ndef _DLL */
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#define _CRTIMP
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#endif /* _DLL */
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#endif /* _NTSDK */
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#endif /* _CRTIMP */
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/* Define __cdecl for non-Microsoft compilers */
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#if ( !defined(_MSC_VER) && !defined(__cdecl) )
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#define __cdecl
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#endif
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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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/* Maximum heap request the heap manager will attempt */
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#define _HEAP_MAXREQ 0xFFFFFFE0
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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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#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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#ifndef _NTSDK
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/* External variable declarations */
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#if defined(_DLL) && defined(_M_IX86)
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#define _amblksiz (*__p__amblksiz())
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_CRTIMP unsigned int * __cdecl __p__amblksiz(void);
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#else /* !(defined(_DLL) && defined(_M_IX86)) */
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extern unsigned int _amblksiz;
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#endif /* defined(_DLL) && defined(_M_IX86) */
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#endif /* _NTSDK */
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/* Function prototypes */
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_CRTIMP void * __cdecl calloc(size_t, size_t);
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_CRTIMP void __cdecl free(void *);
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_CRTIMP void * __cdecl malloc(size_t);
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_CRTIMP void * __cdecl realloc(void *, size_t);
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#if defined(_M_M68K) || defined(_M_MPPC)
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_CRTIMP size_t __cdecl _stackavail(void);
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#endif
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#ifndef _POSIX_
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void * __cdecl _alloca(size_t);
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_CRTIMP void * __cdecl _expand(void *, size_t);
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#ifndef _NTSDK
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_CRTIMP int __cdecl _heapadd(void *, size_t);
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_CRTIMP int __cdecl _heapchk(void);
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_CRTIMP int __cdecl _heapmin(void);
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_CRTIMP int __cdecl _heapset(unsigned int);
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_CRTIMP int __cdecl _heapwalk(_HEAPINFO *);
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_CRTIMP size_t __cdecl _heapused(size_t *, size_t *);
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#endif /* _NTSDK */
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_CRTIMP size_t __cdecl _msize(void *);
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#if !__STDC__
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/* Non-ANSI names for compatibility */
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#define alloca _alloca
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#endif /* __STDC__*/
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#if defined(_M_MRX000) || defined(_M_PPC)
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#pragma intrinsic(_alloca)
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#endif
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#endif /* _POSIX_ */
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#ifdef HEAPHOOK
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#ifndef _HEAPHOOK_DEFINED
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/* hook function type */
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typedef int (__cdecl * _HEAPHOOK)(int, size_t, void *, void **);
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#define _HEAPHOOK_DEFINED
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#endif /* _HEAPHOOK_DEFINED */
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/* set hook function */
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_CRTIMP _HEAPHOOK __cdecl _setheaphook(_HEAPHOOK);
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/* hook function must handle these types */
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#define _HEAP_MALLOC 1
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#define _HEAP_CALLOC 2
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#define _HEAP_FREE 3
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#define _HEAP_REALLOC 4
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#define _HEAP_MSIZE 5
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#define _HEAP_EXPAND 6
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#endif /* HEAPHOOK */
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#ifdef __cplusplus
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}
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#endif
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* _INC_MALLOC */
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