ebuf.h revision 204076
1114987Speter/*- 2114987Speter * Copyright (c) 2009-2010 The FreeBSD Foundation 3114987Speter * All rights reserved. 4114987Speter * 5114987Speter * This software was developed by Pawel Jakub Dawidek under sponsorship from 6114987Speter * the FreeBSD Foundation. 7114987Speter * 8114987Speter * Redistribution and use in source and binary forms, with or without 9114987Speter * modification, are permitted provided that the following conditions 10114987Speter * are met: 11114987Speter * 1. Redistributions of source code must retain the above copyright 12114987Speter * notice, this list of conditions and the following disclaimer. 13114987Speter * 2. Redistributions in binary form must reproduce the above copyright 14114987Speter * notice, this list of conditions and the following disclaimer in the 15114987Speter * documentation and/or other materials provided with the distribution. 16114987Speter * 17114987Speter * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18114987Speter * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19114987Speter * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20114987Speter * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21114987Speter * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22114987Speter * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23114987Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24114987Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25114987Speter * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26114987Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27114987Speter * SUCH DAMAGE. 28114987Speter * 29114987Speter * $FreeBSD: head/sbin/hastd/ebuf.h 204076 2010-02-18 23:16:19Z pjd $ 30114987Speter */ 31114987Speter 32114987Speter#ifndef _EBUF_H_ 33114987Speter#define _EBUF_H_ 34114987Speter 35114987Speter#include <stdlib.h> /* size_t */ 36114987Speter 37114987Speterstruct ebuf; 38118031Sobrien 39118031Sobrienstruct ebuf *ebuf_alloc(size_t size); 40118031Sobrienvoid ebuf_free(struct ebuf *eb); 41114987Speter 42114987Speterint ebuf_add_head(struct ebuf *eb, const void *data, size_t size); 43114987Speterint ebuf_add_tail(struct ebuf *eb, const void *data, size_t size); 44114987Speter 45114987Spetervoid ebuf_del_head(struct ebuf *eb, size_t size); 46114987Spetervoid ebuf_del_tail(struct ebuf *eb, size_t size); 47114987Speter 48114987Spetervoid *ebuf_data(struct ebuf *eb, size_t *sizep); 49114987Spetersize_t ebuf_size(struct ebuf *eb); 50114987Speter 51114987Speter#endif /* !_EBUF_H_ */ 52114987Speter