aboutsummaryrefslogtreecommitdiff
path: root/slirp/sbuf.h
blob: efcec39a6b04a07ed138c04015345da92cb7c554 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/*
 * Copyright (c) 1995 Danny Gasparovski.
 *
 * Please read the file COPYRIGHT for the
 * terms and conditions of the copyright.
 */

#ifndef SBUF_H
#define SBUF_H

#define sbflush(sb) sbdrop((sb),(sb)->sb_cc)
#define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc)

struct sbuf {
	u_int	sb_cc;		/* actual chars in buffer */
	u_int	sb_datalen;	/* Length of data  */
	char	*sb_wptr;	/* write pointer. points to where the next
				 * bytes should be written in the sbuf */
	char	*sb_rptr;	/* read pointer. points to where the next
				 * byte should be read from the sbuf */
	char	*sb_data;	/* Actual data */
};

void sbfree(struct sbuf *);
void sbdrop(struct sbuf *, int);
void sbreserve(struct sbuf *, int);
void sbappend(struct socket *, struct mbuf *);
void sbcopy(struct sbuf *, int, int, char *);

#endif