| 1 | /* $Id: sbuf.h 28449 2010-04-19 09:52:59Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * NAT - sbuf declarations/defines.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2010 Sun Microsystems, Inc.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 19 | * additional information or have any questions.
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 | /*
|
|---|
| 23 | * This code is based on:
|
|---|
| 24 | *
|
|---|
| 25 | * Copyright (c) 1995 Danny Gasparovski.
|
|---|
| 26 | *
|
|---|
| 27 | * Please read the file COPYRIGHT for the
|
|---|
| 28 | * terms and conditions of the copyright.
|
|---|
| 29 | */
|
|---|
| 30 |
|
|---|
| 31 | #ifndef _SBUF_H_
|
|---|
| 32 | #define _SBUF_H_
|
|---|
| 33 |
|
|---|
| 34 | #define sbflush(sb) sbdrop((sb),(sb)->sb_cc)
|
|---|
| 35 | #define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc)
|
|---|
| 36 |
|
|---|
| 37 | struct sbuf
|
|---|
| 38 | {
|
|---|
| 39 | u_int sb_cc; /* actual chars in buffer */
|
|---|
| 40 | u_int sb_datalen; /* Length of data */
|
|---|
| 41 | char *sb_wptr; /* write pointer. points to where the next
|
|---|
| 42 | * bytes should be written in the sbuf */
|
|---|
| 43 | char *sb_rptr; /* read pointer. points to where the next
|
|---|
| 44 | * byte should be read from the sbuf */
|
|---|
| 45 | char *sb_data; /* Actual data */
|
|---|
| 46 | };
|
|---|
| 47 |
|
|---|
| 48 | void sbfree (struct sbuf *);
|
|---|
| 49 | void sbdrop (struct sbuf *, int);
|
|---|
| 50 | void sbreserve (PNATState, struct sbuf *, int);
|
|---|
| 51 | void sbappend (PNATState, struct socket *, struct mbuf *);
|
|---|
| 52 | void sbappendsb (PNATState, struct sbuf *, struct mbuf *);
|
|---|
| 53 | void sbcopy (struct sbuf *, int, int, char *);
|
|---|
| 54 | #endif
|
|---|
