1 | /* Copyright (C) 1991-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <sys/socket.h> |
20 | |
21 | /* Put the current value for socket FD's option OPTNAME at protocol level LEVEL |
22 | into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's |
23 | actual length. Returns 0 on success, -1 for errors. */ |
24 | int |
25 | getsockopt (int fd, int level, int optname, void *optval, socklen_t *optlen) |
26 | { |
27 | __set_errno (ENOSYS); |
28 | return -1; |
29 | } |
30 | |
31 | stub_warning (getsockopt) |
32 | |