50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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/* Control device. Linux generic implementation.
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Copyright (C) 2021-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdarg.h>
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#include <sys/ioctl.h>
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#include <sysdep.h>
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#include <internal-ioctl.h>
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int
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__ioctl (int fd, unsigned long int request, ...)
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{
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va_list args;
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va_start (args, request);
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void *arg = va_arg (args, void *);
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va_end (args);
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int r;
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if (!__ioctl_arch (&r, fd, request, arg))
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{
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r = INTERNAL_SYSCALL_CALL (ioctl, fd, request, arg);
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if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (r)))
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{
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__set_errno (-r);
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return -1;
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}
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}
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return r;
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}
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libc_hidden_def (__ioctl)
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weak_alias (__ioctl, ioctl)
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#if __TIMESIZE != 64
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strong_alias (__ioctl, __ioctl_time64)
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#endif
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