1/* Control device. Linux generic implementation.
2 Copyright (C) 2021-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <stdarg.h>
20#include <sys/ioctl.h>
21#include <sysdep.h>
22#include <internal-ioctl.h>
23
24int
25__ioctl (int fd, unsigned long int request, ...)
26{
27 va_list args;
28 va_start (args, request);
29 void *arg = va_arg (args, void *);
30 va_end (args);
31
32 int r;
33 if (!__ioctl_arch (&r, fd, request, arg))
34 {
35 r = INTERNAL_SYSCALL_CALL (ioctl, fd, request, arg);
36 if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (r)))
37 {
38 __set_errno (-r);
39 return -1;
40 }
41 }
42 return r;
43}
44libc_hidden_def (__ioctl)
45weak_alias (__ioctl, ioctl)
46
47#if __TIMESIZE != 64
48strong_alias (__ioctl, __ioctl_time64)
49#endif
50