From e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 18:58:41 +0200 Subject: Adding upstream version 9.4. Signed-off-by: Daniel Baumann --- gnulib-tests/ioctl.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 gnulib-tests/ioctl.c (limited to 'gnulib-tests/ioctl.c') diff --git a/gnulib-tests/ioctl.c b/gnulib-tests/ioctl.c new file mode 100644 index 0000000..65cce13 --- /dev/null +++ b/gnulib-tests/ioctl.c @@ -0,0 +1,92 @@ +/* ioctl.c --- wrappers for Windows ioctl 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 . */ + +/* Written by Paolo Bonzini */ + +#include + +#include + +#include + +#if HAVE_IOCTL + +/* Provide a wrapper with the POSIX prototype. */ +# undef ioctl +int +rpl_ioctl (int fd, int request, ... /* {void *,char *} arg */) +{ + void *buf; + va_list args; + + va_start (args, request); + buf = va_arg (args, void *); + va_end (args); + + /* 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 + +/* Get HANDLE. */ +# define WIN32_LEAN_AND_MEAN +# include + +# include "fd-hook.h" +/* Get _get_osfhandle. */ +# if GNULIB_MSVC_NOTHROW +# include "msvc-nothrow.h" +# else +# include +# endif + +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 +ioctl (int fd, int request, ... /* {void *,char *} arg */) +{ + void *arg; + va_list args; + + va_start (args, request); + arg = va_arg (args, void *); + va_end (args); + +# if WINDOWS_SOCKETS + return execute_all_ioctl_hooks (primary_ioctl, fd, request, arg); +# else + return primary_ioctl (fd, request, arg); +# endif +} + +#endif -- cgit v1.2.3