uclibc-ng/libc/sysdeps/linux/powerpc/ioctl.c

/* Copyright (C) 1998 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <stdarg.h>
#include <termios.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/syscall.h>

/* The user-visible size of struct termios has changed.  Catch ioctl calls
   using the new-style struct termios, and translate them to old-style.  */

#define __NR___syscall_ioctl __NR_ioctl
_syscall3(int, __syscall_ioctl, int, fd, unsigned long int, request, void *, arg);


int ioctl (int fd, unsigned long int request, ...)
{
    void *arg;
    va_list ap;
    int result;

    va_start (ap, request);
    arg = va_arg (ap, void *);

    switch (request)
    {
	case TCGETS:
	    result = tcgetattr (fd, (struct termios *) arg);
	    break;

	case TCSETS:
	    result = tcsetattr (fd, TCSANOW, (struct termios *) arg);
	    break;

	case TCSETSW:
	    result = tcsetattr (fd, TCSADRAIN, (struct termios *) arg);
	    break;

	case TCSETSF:
	    result = tcsetattr (fd, TCSAFLUSH, (struct termios *) arg);
	    break;

	default:
	    result = __syscall_ioctl (fd, request, arg);
	    break;
    }

    va_end (ap);

    return result;
}