NetBSD/sys/compat/darwin/darwin_ioctl.c

151 lines
3.9 KiB
C

/* $NetBSD: darwin_ioctl.c,v 1.1 2003/09/03 07:28:38 manu Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Emmanuel Dreyfus.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: darwin_ioctl.c,v 1.1 2003/09/03 07:28:38 manu Exp $");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mount.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/dirent.h>
#include <sys/vnode.h>
#include <sys/proc.h>
#include <sys/sa.h>
#include <sys/syscallargs.h>
#include <compat/mach/mach_types.h>
#include <compat/mach/mach_vm.h>
#include <compat/darwin/darwin_ioctl.h>
#include <compat/darwin/darwin_syscallargs.h>
static int vtype_to_dtype(int);
int
darwin_sys_ioctl(l, v, retval)
struct lwp *l;
void *v;
register_t *retval;
{
struct darwin_sys_ioctl_args /* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(void *) data;
} */ *uap = v;
struct sys_ioctl_args cup;
int error;
switch (SCARG(uap, com)) {
case DARWIN_FIODTYPE: { /* Get file d_type */
struct proc *p = l->l_proc;
struct file *fp;
struct vnode *vp;
int *data = SCARG(uap, data);
int type;
/* getvnode() will use the descriptor for us */
if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)))
return (error);
vp = fp->f_data;
type = vtype_to_dtype(vp->v_type);
FILE_UNUSE(fp, p);
error = copyout(&type, data, sizeof(*data));
return error;
break;
}
default:
/* Try native ioctl */
break;
}
SCARG(&cup, fd) = SCARG(uap, fd);
SCARG(&cup, com) = SCARG(uap, com);
SCARG(&cup, data) = SCARG(uap, data);
error = sys_ioctl(l, &cup, retval);
return error;
}
static int
vtype_to_dtype(dtype)
int dtype;
{
switch (dtype) {
case VNON:
return DT_UNKNOWN;
break;
case VREG:
return DT_REG;
break;
case VDIR:
return DT_DIR;
break;
case VBLK:
return DT_BLK;
break;
case VCHR:
return DT_CHR;
break;
case VLNK:
return DT_LNK;
break;
case VSOCK:
return DT_SOCK;
break;
case VFIFO:
return DT_FIFO;
break;
case VBAD:
return DT_WHT;
break;
default:
break;
}
return DT_UNKNOWN;
}