f32b7e221986b2e687adda4a7ac552207d48e1e7
* Copyright (c) 1993 The Regents of the University of California.
* This code is derived from software contributed to Berkeley by
* The Mach Operating System project at Carnegie-Mellon University.
* %sccs.include.redist.c%
* @(#)ioctl.c 7.1 (Berkeley) %G%
* Copyright (c) 1989, 1990, 1991 Carnegie Mellon University
* Author: Alessandro Forin
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
* Carnegie Mellon requests users of this software to return to
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
register struct open_file
*f
= &files
[fd
];
if ((unsigned)fd
>= SOPEN_MAX
|| f
->f_flags
== 0) {
if (f
->f_flags
& F_RAW
) {
errno
= (f
->f_dev
->dv_ioctl
)(f
, cmd
, arg
);