/* setsockopt.c --- wrappers for Windows setsockopt function

   Copyright (C) 2008-2020 Free Software Foundation, Inc.

   This program 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 program 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;

    }

}