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/*
comedi/comedi_compat32.h
32-bit ioctl compatibility for 64-bit comedi kernel module.
Author: Ian Abbott, MEV Ltd. <abbotti@mev.co.uk>
Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/>
COMEDI - Linux Control and Measurement Device Interface
Copyright (C) 1997-2007 David A. Schleef <ds@schleef.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _COMEDI_COMPAT32_H
#define _COMEDI_COMPAT32_H
#include <linux/compat.h>
#include <linux/fs.h> /* For HAVE_COMPAT_IOCTL and HAVE_UNLOCKED_IOCTL */
#ifdef CONFIG_COMPAT
#ifdef HAVE_COMPAT_IOCTL
extern long comedi_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg);
#define comedi_register_ioctl32() do {} while (0)
#define comedi_unregister_ioctl32() do {} while (0)
#else /* HAVE_COMPAT_IOCTL */
#define comedi_compat_ioctl 0 /* NULL */
extern void comedi_register_ioctl32(void);
extern void comedi_unregister_ioctl32(void);
#endif /* HAVE_COMPAT_IOCTL */
#else /* CONFIG_COMPAT */
#define comedi_compat_ioctl 0 /* NULL */
#define comedi_register_ioctl32() do {} while (0)
#define comedi_unregister_ioctl32() do {} while (0)
#endif /* CONFIG_COMPAT */
#endif /* _COMEDI_COMPAT32_H */
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