]>
Commit | Line | Data |
---|---|---|
9515126f | 1 | /* Name server address at specified index in res_state. |
6d7e8eda | 2 | Copyright (C) 2015-2023 Free Software Foundation, Inc. |
9515126f FW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <assert.h> | |
20 | #include <resolv.h> | |
21 | #include <resolv-internal.h> | |
22 | ||
23 | struct sockaddr * | |
24 | __res_get_nsaddr (res_state statp, unsigned int n) | |
25 | { | |
26 | assert (n < statp->nscount); | |
27 | ||
28 | if (statp->nsaddr_list[n].sin_family == 0 | |
29 | && statp->_u._ext.nsaddrs[n] != NULL) | |
30 | /* statp->_u._ext.nsaddrs[n] holds an address that is larger than | |
31 | struct sockaddr, and user code did not update | |
32 | statp->nsaddr_list[n]. */ | |
33 | return (struct sockaddr *) statp->_u._ext.nsaddrs[n]; | |
34 | else | |
35 | /* User code updated statp->nsaddr_list[n], or statp->nsaddr_list[n] | |
36 | has the same content as statp->_u._ext.nsaddrs[n]. */ | |
37 | return (struct sockaddr *) (void *) &statp->nsaddr_list[n]; | |
38 | } | |
39 | libc_hidden_def (__res_get_nsaddr) |