diff options
Diffstat (limited to 'lib/getsockopt.c')
-rw-r--r-- | lib/getsockopt.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/lib/getsockopt.c b/lib/getsockopt.c new file mode 100644 index 000000000..7c83f01aa --- /dev/null +++ b/lib/getsockopt.c @@ -0,0 +1,67 @@ +/* getsockopt.c --- wrappers for Windows getsockopt function + + Copyright (C) 2008-2011 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 3 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 <http://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 memcpy. */ +#include <string.h> + +/* Get set_winsock_errno, FD_TO_SOCKET etc. */ +#include "w32sock.h" + +#undef getsockopt + +int +rpl_getsockopt (int fd, int level, int optname, void *optval, socklen_t *optlen) +{ + int r; + SOCKET sock = FD_TO_SOCKET (fd); + + if (level == SOL_SOCKET && (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO)) + { + int milliseconds; + int milliseconds_len = sizeof (int); + struct timeval tv; + size_t n; + r = getsockopt (sock, level, optname, &milliseconds, &milliseconds_len); + tv.tv_sec = milliseconds / 1000; + tv.tv_usec = (milliseconds - 1000 * tv.tv_sec) * 1000; + n = sizeof (struct timeval); + if (n > *optlen) + n = *optlen; + memcpy (optval, &tv, n); + *optlen = n; + } + else + { + r = getsockopt (sock, level, optname, optval, optlen); + } + + if (r < 0) + set_winsock_errno (); + + return r; +} |