ringbuf.h

/*
    DeaDBeeF - ultimate music player for GNU/Linux systems with X11
    Copyright (C) 2009-2011 Alexey Yakovenko <waker@users.sourceforge.net>

    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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
#ifndef __RINGBUF_H
#define __RINGBUF_H

#include <sys/types.h>

typedef struct {
    char *bytes;
    size_t size;
    size_t cursor;
    size_t remaining;
} ringbuf_t;

void
ringbuf_init (ringbuf_t *p, char *buffer, size_t size);

int
ringbuf_write (ringbuf_t *p, char *bytes, size_t size);

int
ringbuf_read (ringbuf_t *p, char *bytes, size_t size);

#endif