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/*
* defines for the system specific memory routines
*
* Copyright 2000 by Gray Watson
*
* This file is part of the dmalloc package.
*
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies, and that the name of Gray Watson not be used in advertising
* or publicity pertaining to distribution of the document or software
* without specific, written prior permission.
*
* Gray Watson makes no representations about the suitability of the
* software described herein for any purpose. It is provided "as is"
* without express or implied warranty.
*
* The author may be contacted via http://dmalloc.com/
*
* $Id: heap.h,v 1.44 2004/07/10 03:49:52 gray Exp $
*/
#ifndef __HEAP_H__
#define __HEAP_H__
#include "dmalloc_loc.h" /* for LOCAL and BLOCK_SIZE */
/*
* error code returned by heap allocation routine
*/
#define HEAP_ALLOC_ERROR 0L
/* test whether pointer PNT is in the heap space */
#define IS_IN_HEAP(pnt) \
((char *)(pnt) >= (char *)_dmalloc_heap_low \
&& (char *)(pnt) < (char *)_dmalloc_heap_high)
/*<<<<<<<<<< The below prototypes are auto-generated by fillproto */
extern
void *_dmalloc_heap_low; /* base of our heap */
extern
void *_dmalloc_heap_high; /* end of our heap */
/*
* int _heap_startup
*
* DESCRIPTION:
*
* Initialize heap pointers.
*
* RETURNS:
*
* Success - 1
*
* Failure - 0
*
* ARGUMENTS:
*
* None.
*/
extern
int _dmalloc_heap_startup(void);
/*
* void *_dmalloc_heap_alloc
*
* DESCRIPTION:
*
* Function to get memory bytes from the heap.
*
* RETURNS:
*
* Success - Valid pointer.
*
* Failure - NULL
*
* ARGUMENTS:
*
* size -> Number of bytes we need.
*/
extern
void *_dmalloc_heap_alloc(const unsigned int size);
/*<<<<<<<<<< This is end of the auto-generated output from fillproto. */
#endif /* ! __HEAP_H__ */
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