1 | /* SPDX-License-Identifier: BSD-3-Clause */ |
2 | /* |
3 | * Copyright (c) 1995 Danny Gasparovski. |
4 | */ |
5 | |
6 | #ifndef SBUF_H |
7 | #define SBUF_H |
8 | |
9 | #define sbspace(sb) ((sb)->sb_datalen - (sb)->sb_cc) |
10 | |
11 | struct sbuf { |
12 | uint32_t sb_cc; /* actual chars in buffer */ |
13 | uint32_t sb_datalen; /* Length of data */ |
14 | char *sb_wptr; /* write pointer. points to where the next |
15 | * bytes should be written in the sbuf */ |
16 | char *sb_rptr; /* read pointer. points to where the next |
17 | * byte should be read from the sbuf */ |
18 | char *sb_data; /* Actual data */ |
19 | }; |
20 | |
21 | void sbfree(struct sbuf *); |
22 | bool sbdrop(struct sbuf *, int); |
23 | void sbreserve(struct sbuf *, int); |
24 | void sbappend(struct socket *, struct mbuf *); |
25 | void sbcopy(struct sbuf *, int, int, char *); |
26 | |
27 | #endif |
28 | |