summaryrefslogtreecommitdiffstats
path: root/lib/setsockopt.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/setsockopt.c')
-rw-r--r--lib/setsockopt.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/lib/setsockopt.c b/lib/setsockopt.c
new file mode 100644
index 0000000..2811c19
--- /dev/null
+++ b/lib/setsockopt.c
@@ -0,0 +1,65 @@
+/* setsockopt.c --- wrappers for Windows setsockopt function
+
+ Copyright (C) 2008-2022 Free Software Foundation, Inc.
+
+ This file 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.
+
+ This file 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 this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Paolo Bonzini */
+
+#include <config.h>
+
+#define WIN32_LEAN_AND_MEAN
+/* Get winsock2.h. */
+#include <sys/socket.h>
+
+/* Get struct timeval. */
+#include <sys/time.h>
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+#include "w32sock.h"
+
+#undef setsockopt
+
+int
+rpl_setsockopt (int fd, int level, int optname, const void *optval, socklen_t optlen)
+{
+ SOCKET sock = FD_TO_SOCKET (fd);
+ int r;
+
+ if (sock == INVALID_SOCKET)
+ {
+ errno = EBADF;
+ return -1;
+ }
+ else
+ {
+ if (level == SOL_SOCKET
+ && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
+ {
+ const struct timeval *tv = optval;
+ int milliseconds = tv->tv_sec * 1000 + tv->tv_usec / 1000;
+ optval = &milliseconds;
+ r = setsockopt (sock, level, optname, optval, sizeof (int));
+ }
+ else
+ {
+ r = setsockopt (sock, level, optname, optval, optlen);
+ }
+
+ if (r < 0)
+ set_winsock_errno ();
+
+ return r;
+ }
+}