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Added an ioctl emulation so that IRIX's tar is able to extract a file.

This commit is contained in:
manu 2002-10-05 21:29:02 +00:00
parent c55b2f6fa9
commit 6589fa5eda
2 changed files with 44 additions and 4 deletions
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42
sys/compat/irix/irix_ioctl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: irix_ioctl.c,v 1.4 2002/09/06 13:18:43 gehenna Exp $ */
/* $NetBSD: irix_ioctl.c,v 1.5 2002/10/05 21:29:02 manu Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: irix_ioctl.c,v 1.4 2002/09/06 13:18:43 gehenna Exp $");
__KERNEL_RCSID(0, "$NetBSD: irix_ioctl.c,v 1.5 2002/10/05 21:29:02 manu Exp $");
#include <sys/param.h>
#include <sys/proc.h>
@ -87,10 +87,11 @@ irix_sys_ioctl(p, v, retval)
struct file *fp;
struct filedesc *fdp;
struct vnode *vp;
struct vattr vattr;
struct irix_ioctl_usrdata iiu;
struct irix_ioctl_usrdata *iiup;
caddr_t sg = stackgap_init(p, 0);
int error;
int error, val;
/*
* This duplicates 6 lines from svr4_sys_ioctl()
@ -120,6 +121,8 @@ irix_sys_ioctl(p, v, retval)
* are defined _IO but really are _IOR. XXX need security review.
*/
if ((cmd & IRIX_UIOC_MASK) == IRIX_UIOC) {
if (fp->f_type != DTYPE_VNODE)
return ENOTTY;
FILE_USE(fp);
vp = (struct vnode*)fp->f_data;
if (vp->v_type != VCHR ||
@ -148,6 +151,39 @@ out:
SCARG(uap, data), p);
break;
case IRIX_MTIOCGETBLKSIZE: /* get tape block size in 512B units */
if (fp->f_type != DTYPE_VNODE)
return ENOSYS;
FILE_USE(fp);
vp = (struct vnode*)fp->f_data;
switch (vp->v_type) {
case VREG:
case VLNK:
case VDIR:
error = ENOTTY;
break;
case VCHR:
case VFIFO:
error = EINVAL;
break;
case VBLK:
error = VOP_GETATTR(vp, &vattr, p->p_ucred, p);
if (error == 0) {
val = vattr.va_blocksize / 512;
error = copyout(&val, data, sizeof(int));
}
default:
error = ENOSYS;
break;
}
FILE_UNUSE(fp, p);
return error;
break;
default: /* Fallback to the standard SVR4 ioctl's */
error = svr4_sys_ioctl(p, v, retval);
break;

6
sys/compat/irix/irix_ioctl.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: irix_ioctl.h,v 1.2 2002/05/22 05:14:01 manu Exp $ */
/* $NetBSD: irix_ioctl.h,v 1.3 2002/10/05 21:29:02 manu Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -49,4 +49,8 @@ struct irix_ioctl_usrdata {
/* From IRIX's <net/raw.h> */
#define IRIX_SIOCNREAD SVR4_IOR('s', 10, int)
/* From IRIX's <sys/mtio.h> */
#define IRIX_MTIOCODE(x) ('t'<<8|(x))
#define IRIX_MTIOCGETBLKSIZE IRIX_MTIOCODE('c')
#endif /* _IRIX_IOCTL_H_ */