cbuffer.h

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/***************************************************************************
 *  $Id: cbuffer.h 150 2008-06-16 20:17:25Z merdmann $
 *
 *  Fri Dec  7 21:19:36 2007
 *  Copyright  2007  Michael Erdmann
 *  Email: michael.erdmann@snafu.de
 ****************************************************************************/

/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef _CBUFFER_H_
#define _CBUFFER_H_

#include "typedefs.h"

typedef byte t_index;

typedef struct {        
        t_index wr ;    
        t_index rd ;
        byte buffer[CB_BUFFER_SIZE];
} t_cbuffer;


unsigned cb_fill(t_cbuffer *p);

byte cb_full(t_cbuffer *p) ;
byte cb_empty(t_cbuffer *p) ;

byte cb_get(t_cbuffer *p) ;

void cb_put(t_cbuffer *p, byte value );
void cb_init(t_cbuffer *p);

#endif

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