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/* $OpenBSD: abuf.h,v 1.1 2012/11/23 07:03:28 ratchov Exp $ */
/*
* Copyright (c) 2008-2012 Alexandre Ratchov <alex@caoua.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef ABUF_H
#define ABUF_H
struct abuf {
int start; /* offset (frames) where stored data starts */
int used; /* frames stored in the buffer */
int len; /* total size of the buffer (frames) */
unsigned char *data;
};
void abuf_init(struct abuf *, unsigned int);
void abuf_done(struct abuf *);
void abuf_log(struct abuf *);
unsigned char *abuf_rgetblk(struct abuf *, int *);
unsigned char *abuf_wgetblk(struct abuf *, int *);
void abuf_rdiscard(struct abuf *, int);
void abuf_wcommit(struct abuf *, int);
#endif /* !defined(ABUF_H) */
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