1 |
/* |
2 |
* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd) |
3 |
* |
4 |
* Copyright (c) 1997-2020 ircd-hybrid development team |
5 |
* |
6 |
* This program is free software; you can redistribute it and/or modify |
7 |
* it under the terms of the GNU General Public License as published by |
8 |
* the Free Software Foundation; either version 2 of the License, or |
9 |
* (at your option) any later version. |
10 |
* |
11 |
* This program is distributed in the hope that it will be useful, |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
15 |
* |
16 |
* You should have received a copy of the GNU General Public License |
17 |
* along with this program; if not, write to the Free Software |
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
19 |
* USA |
20 |
*/ |
21 |
|
22 |
/*! \file dbuf.h |
23 |
* \brief A header for the dynamic buffers functions. |
24 |
* \version $Id$ |
25 |
*/ |
26 |
|
27 |
#ifndef INCLUDED_dbuf_h |
28 |
#define INCLUDED_dbuf_h |
29 |
|
30 |
#define dbuf_length(x) ((x)->total_size) |
31 |
#define dbuf_clear(x) dbuf_delete(x, dbuf_length(x)) |
32 |
|
33 |
enum { DBUF_BLOCK_SIZE = 1024 }; |
34 |
|
35 |
struct dbuf_block |
36 |
{ |
37 |
int refs; |
38 |
size_t size; |
39 |
char data[DBUF_BLOCK_SIZE]; |
40 |
}; |
41 |
|
42 |
struct dbuf_queue |
43 |
{ |
44 |
dlink_list blocks; |
45 |
size_t total_size; |
46 |
size_t pos; |
47 |
}; |
48 |
|
49 |
extern struct dbuf_block *dbuf_alloc(void); |
50 |
extern void dbuf_ref_free(struct dbuf_block *); |
51 |
extern void dbuf_add(struct dbuf_queue *, struct dbuf_block *); |
52 |
extern void dbuf_delete(struct dbuf_queue *, size_t); |
53 |
extern void dbuf_put_fmt(struct dbuf_block *, const char *, ...); |
54 |
extern void dbuf_put_args(struct dbuf_block *, const char *, va_list); |
55 |
extern void dbuf_put(struct dbuf_queue *, const char *, size_t); |
56 |
#endif /* INCLUDED_dbuf_h */ |