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aeb22f4861
This is a followup to edfca3b7e5, which
added the 'posix_spawnp' module but not 'posix_spawn'.
* m4/gnulib-cache.m4: Add 'posix_spawn' module.
* gnulib-local/m4/clock_time.m4.diff: Adjust.
* configure.ac: Move 'gl_EARLY' use right after 'AC_PROG_CC'.
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/* getsockopt.c --- wrappers for Windows getsockopt function
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Copyright (C) 2008-2023 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Paolo Bonzini */
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#include <config.h>
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#define WIN32_LEAN_AND_MEAN
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/* Get winsock2.h. */
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#include <sys/socket.h>
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/* Get struct timeval. */
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#include <sys/time.h>
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/* Get memcpy. */
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#include <string.h>
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/* Get set_winsock_errno, FD_TO_SOCKET etc. */
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#include "w32sock.h"
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#undef getsockopt
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int
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rpl_getsockopt (int fd, int level, int optname, void *optval, socklen_t *optlen)
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{
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SOCKET sock = FD_TO_SOCKET (fd);
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if (sock == INVALID_SOCKET)
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{
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errno = EBADF;
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return -1;
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}
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else
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{
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int r;
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if (level == SOL_SOCKET
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&& (optname == SO_RCVTIMEO || optname == SO_SNDTIMEO))
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{
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int milliseconds;
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int milliseconds_len = sizeof (int);
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struct timeval tv;
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size_t n;
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r = getsockopt (sock, level, optname, (char *) &milliseconds,
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&milliseconds_len);
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tv.tv_sec = milliseconds / 1000;
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tv.tv_usec = (milliseconds - 1000 * tv.tv_sec) * 1000;
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n = sizeof (struct timeval);
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if (n > *optlen)
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n = *optlen;
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memcpy (optval, &tv, n);
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*optlen = n;
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}
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else
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{
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r = getsockopt (sock, level, optname, optval, optlen);
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}
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if (r < 0)
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set_winsock_errno ();
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return r;
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}
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}
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