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/*
* ring.h:
*
* Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
* All rights reserved.
*
*/
/*
* $Id$
*/
/*
* $Log$
* Revision 1.4 2008/03/07 12:37:04 james
* *** empty log message ***
*
* Revision 1.3 2008/03/03 06:04:42 james
* *** empty log message ***
*
* Revision 1.2 2008/03/02 10:37:56 james
* *** empty log message ***
*
* Revision 1.1 2008/02/13 16:57:29 james
* *** empty log message ***
*
* Revision 1.2 2008/02/12 22:36:46 james
* *** empty log message ***
*
* Revision 1.1 2008/02/08 15:06:42 james
* *** empty log message ***
*
*/
#ifndef __SLIDE_H__
#define __SLIDE_H__
typedef struct
{
uint8_t *slide;
int nbytes;
int target_size;
int size;
} Slide;
#define SLIDE_FULL(s) ((s)->nbytes==(s)->size)
#define SLIDE_EMPTY(s) (!((s)->nbytes))
#define SLIDE_SPACE(s) (((s)->size)-((s)->nbytes))
#define SLIDE_BYTES(s) ((s)->nbytes)
#define SLIDE_RPTR(s) ((s)->slide)
#define SLIDE_WPTR(s) (((s)->slide)+((s)->nbytes))
#endif /* __SLIDE_H__ */
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