blob: 2c722a84255f9dc36dcfac6aae15e4a4c2683dcc (
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* Copyright (c) 2021 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* \file ring.c
* \brief Implementation of ring buffer.
*/
#include <stdlib.h>
#include <hicn/util/ring.h>
void
_ring_init (void **ring_ptr, size_t elt_size, size_t max_size)
{
assert (ring_ptr);
assert (elt_size > 0);
// we use a static array, not a vector (for now)
assert (max_size != 0);
ring_hdr_t *rh = malloc (RING_HDRLEN + max_size * elt_size);
rh->roff = 0;
rh->woff = 0;
rh->size = 0;
rh->max_size = max_size;
*ring_ptr = (uint8_t *) rh + RING_HDRLEN;
}
void
_ring_free (void **ring_ptr)
{
free (ring_hdr (*ring_ptr));
*ring_ptr = NULL;
}
|
