/* ioctl.c --- wrappers for Windows ioctl function
- Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2008-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
buf = va_arg (args, void *);
va_end (args);
- return ioctl (fd, request, buf);
+ /* Cast 'request' so that when the system's ioctl function takes a 64-bit
+ request argument, the value gets zero-extended, not sign-extended. */
+ return ioctl (fd, (unsigned int) request, buf);
}
#else /* mingw */
+# include <errno.h>
+
+/* Get HANDLE. */
# define WIN32_LEAN_AND_MEAN
-/* Get winsock2.h. */
-# include <sys/socket.h>
+# include <windows.h>
+
+# include "fd-hook.h"
+/* Get _get_osfhandle. */
+# include "msvc-nothrow.h"
-/* Get set_winsock_errno, FD_TO_SOCKET etc. */
-# include "w32sock.h"
+static int
+primary_ioctl (int fd, int request, void *arg)
+{
+ /* We don't support FIONBIO on pipes here. If you want to make pipe
+ fds non-blocking, use the gnulib 'nonblocking' module, until
+ gnulib implements fcntl F_GETFL / F_SETFL with O_NONBLOCK. */
+
+ if ((HANDLE) _get_osfhandle (fd) != INVALID_HANDLE_VALUE)
+ errno = ENOSYS;
+ else
+ errno = EBADF;
+ return -1;
+}
int
-rpl_ioctl (int fd, int req, ...)
+ioctl (int fd, int request, ... /* {void *,char *} arg */)
{
- void *buf;
+ void *arg;
va_list args;
- SOCKET sock;
- int r;
- va_start (args, req);
- buf = va_arg (args, void *);
+ va_start (args, request);
+ arg = va_arg (args, void *);
va_end (args);
- sock = FD_TO_SOCKET (fd);
- r = ioctlsocket (sock, req, buf);
- if (r < 0)
- set_winsock_errno ();
-
- return r;
+# if WINDOWS_SOCKETS
+ return execute_all_ioctl_hooks (primary_ioctl, fd, request, arg);
+# else
+ return primary_ioctl (fd, request, arg);
+# endif
}
#endif