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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Circular buffer management
*
* Copyright 2021 HAProxy Technologies, Frederic Lecaille <flecaill@haproxy.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <haproxy/list.h>
#include <haproxy/pool.h>
#include <haproxy/cbuf-t.h>
DECLARE_POOL(pool_head_cbuf, "cbuf", sizeof(struct cbuf));
/* Allocate and return a new circular buffer with <buf> as <sz> byte internal buffer
* if succeeded, NULL if not.
*/
struct cbuf *cbuf_new(unsigned char *buf, size_t sz)
{
struct cbuf *cbuf;
cbuf = pool_alloc(pool_head_cbuf);
if (cbuf) {
cbuf->sz = sz;
cbuf->buf = buf;
cbuf->wr = 0;
cbuf->rd = 0;
}
return cbuf;
}
/* Free QUIC ring <cbuf> */
void cbuf_free(struct cbuf *cbuf)
{
if (!cbuf)
return;
pool_free(pool_head_cbuf, cbuf);
}
/*
* Local variables:
* c-indent-level: 8
* c-basic-offset: 8
* End:
*/
|
