50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Control device. Linux generic implementation.
|
|
Copyright (C) 2021-2022 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library 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.
|
|
|
|
The GNU C Library 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 the GNU C Library. If not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdarg.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sysdep.h>
|
|
#include <internal-ioctl.h>
|
|
|
|
int
|
|
__ioctl (int fd, unsigned long int request, ...)
|
|
{
|
|
va_list args;
|
|
va_start (args, request);
|
|
void *arg = va_arg (args, void *);
|
|
va_end (args);
|
|
|
|
int r;
|
|
if (!__ioctl_arch (&r, fd, request, arg))
|
|
{
|
|
r = INTERNAL_SYSCALL_CALL (ioctl, fd, request, arg);
|
|
if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (r)))
|
|
{
|
|
__set_errno (-r);
|
|
return -1;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
libc_hidden_def (__ioctl)
|
|
weak_alias (__ioctl, ioctl)
|
|
|
|
#if __TIMESIZE != 64
|
|
strong_alias (__ioctl, __ioctl_time64)
|
|
#endif
|