1 /* setsockopt.c --- wrappers for Windows setsockopt function
2
3 Copyright (C) 2008-2020 Free Software Foundation, Inc.
4
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
9
10 This program 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
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17
18 /* Written by Paolo Bonzini */
19
20 #include <config.h>
21
22 #define WIN32_LEAN_AND_MEAN
23 /* Get winsock2.h. */
24 #include <sys/socket.h>
25
26 /* Get struct timeval. */
27 #include <sys/time.h>
28
29 /* Get set_winsock_errno, FD_TO_SOCKET etc. */
30 #include "w32sock.h"
31
32 #undef setsockopt
33
34 int
rpl_setsockopt(int fd,int level,int optname,const void * optval,socklen_t optlen)35 rpl_setsockopt (int fd, int level, int optname, const void *optval, socklen_t optlen)
36 {
37 SOCKET sock = FD_TO_SOCKET (fd);
38 int r;
39
40 if (sock == INVALID_SOCKET)
41 {
42 errno = EBADF;
43 return -1;
44 }
45 else
46 {
47 if (level == SOL_SOCKET
48 && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
49 {
50 const struct timeval *tv = optval;
51 int milliseconds = tv->tv_sec * 1000 + tv->tv_usec / 1000;
52 optval = &milliseconds;
53 r = setsockopt (sock, level, optname, optval, sizeof (int));
54 }
55 else
56 {
57 r = setsockopt (sock, level, optname, optval, optlen);
58 }
59
60 if (r < 0)
61 set_winsock_errno ();
62
63 return r;
64 }
65 }
66