1 /*
2 * ngtcp2
3 *
4 * Copyright (c) 2022 ngtcp2 contributors
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be
15 * included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #include "ngtcp2_opl.h"
26
ngtcp2_opl_init(ngtcp2_opl *opl)27 void ngtcp2_opl_init(ngtcp2_opl *opl) { opl->head = NULL; }
28
ngtcp2_opl_push(ngtcp2_opl *opl, ngtcp2_opl_entry *ent)29 void ngtcp2_opl_push(ngtcp2_opl *opl, ngtcp2_opl_entry *ent) {
30 ent->next = opl->head;
31 opl->head = ent;
32 }
33
ngtcp2_opl_pop(ngtcp2_opl *opl)34 ngtcp2_opl_entry *ngtcp2_opl_pop(ngtcp2_opl *opl) {
35 ngtcp2_opl_entry *ent = opl->head;
36
37 if (!ent) {
38 return NULL;
39 }
40
41 opl->head = ent->next;
42
43 return ent;
44 }
45
ngtcp2_opl_clear(ngtcp2_opl *opl)46 void ngtcp2_opl_clear(ngtcp2_opl *opl) { opl->head = NULL; }
47