blob: 593597bdd7e1abb8f153edb0503911548f94937e (
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
|
/* Name server address at specified index in res_state.
Copyright (C) 2015-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C 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; either
version 2.1 of the License, or (at your option) any later version.
The GNU C 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <assert.h>
#include <resolv.h>
#include <resolv-internal.h>
struct sockaddr *
__res_get_nsaddr (res_state statp, unsigned int n)
{
assert (n < statp->nscount);
if (statp->nsaddr_list[n].sin_family == 0
&& statp->_u._ext.nsaddrs[n] != NULL)
/* statp->_u._ext.nsaddrs[n] holds an address that is larger than
struct sockaddr, and user code did not update
statp->nsaddr_list[n]. */
return (struct sockaddr *) statp->_u._ext.nsaddrs[n];
else
/* User code updated statp->nsaddr_list[n], or statp->nsaddr_list[n]
has the same content as statp->_u._ext.nsaddrs[n]. */
return (struct sockaddr *) (void *) &statp->nsaddr_list[n];
}
libc_hidden_def (__res_get_nsaddr)
|
