kc3-lang/gnulib/lib/setsockopt.c

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• lib/setsockopt.c

• /* setsockopt.c --- wrappers for Windows setsockopt function
  
     Copyright (C) 2008-2023 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;
      }
  }
  

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