1 | /* getifaddrs -- get names and addresses of all network interfaces |
2 | Copyright (C) 2002-2024 Free Software Foundation, Inc. |
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 <ifaddrs.h> |
20 | #include <errno.h> |
21 | #include <stdlib.h> |
22 | |
23 | /* Create a linked list of `struct ifaddrs' structures, one for each |
24 | network interface on the host machine. If successful, store the |
25 | list in *IFAP and return 0. On errors, return -1 and set `errno'. */ |
26 | int |
27 | __getifaddrs (struct ifaddrs **ifap) |
28 | { |
29 | __set_errno (ENOSYS); |
30 | return -1; |
31 | } |
32 | weak_alias (__getifaddrs, getifaddrs) |
33 | libc_hidden_def (__getifaddrs) |
34 | libc_hidden_weak (getifaddrs) |
35 | stub_warning (getifaddrs) |
36 | |
37 | void |
38 | __freeifaddrs (struct ifaddrs *ifa) |
39 | { |
40 | if (ifa == NULL) |
41 | return; /* a la free, why not? */ |
42 | |
43 | /* Can't be called properly if getifaddrs never succeeded. */ |
44 | abort (); |
45 | } |
46 | weak_alias (__freeifaddrs, freeifaddrs) |
47 | libc_hidden_def (__freeifaddrs) |
48 | libc_hidden_weak (freeifaddrs) |
49 | stub_warning (freeifaddrs) |
50 | |