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
60
61
62
63
64
65
66
67
68
69
70
|
/* MIT License
*
* Copyright (c) 1998 Massachusetts Institute of Technology
* Copyright (c) 2019 Andrew Selivanov
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* SPDX-License-Identifier: MIT
*/
#include "ares_setup.h"
#ifdef HAVE_NETDB_H
# include <netdb.h>
#endif
#include "ares.h"
#include "ares_private.h"
void ares__freeaddrinfo_cnames(struct ares_addrinfo_cname *head)
{
struct ares_addrinfo_cname *current;
while (head) {
current = head;
head = head->next;
ares_free(current->alias);
ares_free(current->name);
ares_free(current);
}
}
void ares__freeaddrinfo_nodes(struct ares_addrinfo_node *head)
{
struct ares_addrinfo_node *current;
while (head) {
current = head;
head = head->ai_next;
ares_free(current->ai_addr);
ares_free(current);
}
}
void ares_freeaddrinfo(struct ares_addrinfo *ai)
{
if (ai == NULL) {
return;
}
ares__freeaddrinfo_cnames(ai->cnames);
ares__freeaddrinfo_nodes(ai->nodes);
ares_free(ai->name);
ares_free(ai);
}
|
