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ALLOC.H
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C/C++ Source or Header
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1997-02-28
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5KB
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244 lines
/* alloc.h
memory management functions and variables.
*/
/*
* C/C++ Run Time Library - Version 8.0
*
* Copyright (c) 1987, 1997 by Borland International
* All Rights Reserved.
*
*/
/* $Revision: 8.1 $ */
#if !defined(__ALLOC_H)
#define __ALLOC_H
#if !defined(___DEFS_H)
#include <_defs.h>
#endif
#ifndef NULL
#include <_null.h>
#endif
#if !defined(RC_INVOKED)
#if defined(__STDC__)
#pragma warn -nak
#endif
#endif /* !RC_INVOKED */
#if !defined(__FLAT__)
#define _HEAPEMPTY 1
#define _HEAPOK 2
#define _FREEENTRY 3
#define _USEDENTRY 4
#define _HEAPEND 5
#define _HEAPCORRUPT -1
#define _BADNODE -2
#define _BADVALUE -3
#ifndef _STDDEF
#define _STDDEF
#ifndef _PTRDIFF_T
#define _PTRDIFF_T
#if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__)
typedef long ptrdiff_t;
#else
typedef int ptrdiff_t;
#endif
#endif
#ifndef _SIZE_T
#define _SIZE_T
typedef unsigned size_t;
#endif
#endif
#if !defined(_Windows)
#if !defined(__STDC__) /* NON_ANSI */
struct farheapinfo
{
void huge *ptr;
unsigned long size;
int in_use;
};
#endif
#if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__)
struct heapinfo
{
void _FAR *ptr;
unsigned int size;
int in_use;
};
#else
#define heapinfo farheapinfo
#endif
#endif /* WINDOWS */
#ifdef __cplusplus
extern "C" {
#endif
void _FAR *_RTLENTRY calloc(size_t __nitems, size_t __size);
void _RTLENTRY free(void _FAR *__block);
void _FAR *_RTLENTRY malloc(size_t __size);
void _FAR *_RTLENTRY realloc(void _FAR *__block, size_t __size);
#if !defined(_Windows)
#if defined(__COMPACT__) || defined(__LARGE__) || defined(__HUGE__)
unsigned long _RTLENTRY coreleft (void);
#else
unsigned _RTLENTRY coreleft(void);
#endif
#endif
#if defined(__DPMI16__) || !defined(_Windows)
int _RTLENTRY heapcheck(void);
unsigned long _RTLENTRY farcoreleft(void);
#endif
#if defined(__DPMI16__)
#define farheapcheck heapcheck
#define coreleft farcoreleft
#endif
#if !defined(_Windows)
int _RTLENTRY brk(void *__addr);
void *_RTLENTRY sbrk(int __incr);
int _RTLENTRY heapfillfree(unsigned int __fillvalue);
int _RTLENTRY heapcheckfree(unsigned int __fillvalue);
#if defined(__COMPACT__) || defined(__LARGE__) || defined(__HUGE__)
#if !defined(__STDC__) /* NON_ANSI */
int _RTLENTRY heapchecknode(void far *__node);
int _RTLENTRY heapwalk(struct farheapinfo far *__hi);
#endif
#else
int _RTLENTRY heapchecknode(void *__node);
int _RTLENTRY heapwalk(struct heapinfo *__hi);
#endif
#if !defined(__STDC__) /* NON_ANSI */
unsigned long _RTLENTRY farcoreleft(void);
int _RTLENTRY farheapcheck(void);
int _RTLENTRY farheapchecknode(void far *__node);
int _RTLENTRY farheapfillfree(unsigned int __fillvalue);
int _RTLENTRY farheapcheckfree(unsigned int __fillvalue);
int _RTLENTRY farheapwalk(struct farheapinfo *__hi);
#endif
#endif /* WINDOWS */
#if !defined(__STDC__) /* NON_ANSI */
void far * _RTLENTRY farcalloc(unsigned long __nunits, unsigned long __unitsz);
void _RTLENTRY farfree(void far *__block);
void far * _RTLENTRY farmalloc(unsigned long __nbytes);
void far * _RTLENTRY farrealloc(void far *__oldblock, unsigned long __nbytes);
#endif
#ifdef __cplusplus
}
#endif
#else /* defined __FLAT__ */
#ifndef _STDDEF
# define _STDDEF
# ifndef _PTRDIFF_T
# define _PTRDIFF_T
typedef int ptrdiff_t;
# endif
# ifndef _SIZE_T
# define _SIZE_T
typedef unsigned size_t;
# endif
#endif
#if !defined(__STDC__)
struct heapinfo
{
void * ptr;
void * ptr2;
unsigned size;
int in_use;
};
#endif
#ifdef __cplusplus
extern "C" {
#endif
void * _RTLENTRY _EXPFUNC calloc(size_t __nitems, size_t __size);
void _RTLENTRY _EXPFUNC free(void * __block);
void * _RTLENTRY _EXPFUNC malloc(size_t __size);
void * _RTLENTRY _EXPFUNC realloc(void * __block, size_t __size);
int _RTLENTRY _EXPFUNC heapcheck(void);
int _RTLENTRY _EXPFUNC heapfillfree(unsigned int __fillvalue);
int _RTLENTRY _EXPFUNC heapcheckfree(unsigned int __fillvalue);
int _RTLENTRY _EXPFUNC heapchecknode(void *__node);
int _RTLENTRY _EXPFUNC heapwalk(struct heapinfo *__hi);
#if defined(__DPMI32__)
unsigned _RTLENTRY coreleft(void);
#endif
#ifdef __cplusplus
}
#endif
/* Values returned by heap??? and _heap??? functions */
#define _HEAPEMPTY 1
#define _HEAPOK 2
#define _FREEENTRY 3
#define _USEDENTRY 4
#define _HEAPEND 5
#define _HEAPCORRUPT -1
#define _BADNODE -2
#define _BADVALUE -3
#define _HEAPBADBEGIN -4
#define _HEAPBADNODE -5
#define _HEAPBADPTR -6
#if !defined(__STDC__)
#define farcalloc calloc
#define farcoreleft coreleft
#define farfree free
#define farmalloc malloc
#define farrealloc realloc
#endif
#endif /* __FLAT__ */
#if !defined(RC_INVOKED)
#if defined(__STDC__)
#pragma warn .nak
#endif
#endif /* !RC_INVOKED */
#endif /* __ALLOC_H */