home *** CD-ROM | disk | FTP | other *** search
- head 1.1;
- access;
- symbols
- version39-41:1.1;
- locks;
- comment @ * @;
-
-
- 1.1
- date 92.05.14.19.55.40; author mwild; state Exp;
- branches;
- next ;
-
-
- desc
- @highlevel ioctl(2) dispatcher
- @
-
-
- 1.1
- log
- @Initial revision
- @
- text
- @/*
- * This file is part of ixemul.library for the Amiga.
- * Copyright (C) 1991, 1992 Markus M. Wild
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * $Id$
- *
- * $Log$
- */
-
- #define KERNEL
- #include "ixemul.h"
-
- #include <sys/ioctl.h>
-
- int
- ioctl (int fd, unsigned cmd, void *arg)
- {
- struct file *f = u.u_ofile[fd];
-
- /* if this is an open fd */
- if (fd >= 0 && fd < NOFILE && f)
- if (f->f_ioctl)
- {
- /* split the ioctl-cmd into its subparts */
- int arglen, inout;
-
- inout = cmd >> 30; /* this ignores IOC_VOID */
- arglen = (cmd >> 16) & IOCPARM_MASK;
-
- return (*f->f_ioctl)(f, cmd, inout, arglen, arg);
- }
- else
- errno = EIO;
- else
- errno = EBADF;
-
- return -1;
- }
- @
-