dd1fff9bcb
translating these manual pages. Minor corrections by me. Submitted by: Nobuyuki Koganemaru <n-kogane@syd.odn.ne.jp>
93 lines
2.8 KiB
Groff
93 lines
2.8 KiB
Groff
.\" -*- nroff -*-
|
|
.\"
|
|
.\" Copyright (c) 2008 Joe Marcus Clarke
|
|
.\"
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" This program is free software.
|
|
.\"
|
|
.\" 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.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 DEVELOPERS 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.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd December 7, 2008
|
|
.Dt VOP_VPTOCNP 9
|
|
.Os
|
|
.Sh NAME
|
|
.Nm VOP_VPTOCNP
|
|
.Nd translate a vnode to its component name
|
|
.Sh SYNOPSIS
|
|
.In sys/param.h
|
|
.In sys/vnode.h
|
|
.Ft int
|
|
.Fn VOP_VPTOCNP "struct vnode *vp" "struct vnode **dvp" "char *buf" "int *buflen"
|
|
.Sh DESCRIPTION
|
|
This translates a vnode into its component name, and writes that name to
|
|
the head of the buffer specified by
|
|
.Fa buf .
|
|
.Bl -tag -width buflen
|
|
.It Fa vp
|
|
The vnode to translate.
|
|
.It Fa dvp
|
|
The vnode of the parent directory of
|
|
.Fa vp .
|
|
.It Fa buf
|
|
The buffer into which to prepend the component name.
|
|
.It Fa buflen
|
|
The remaining size of the buffer.
|
|
.El
|
|
.Pp
|
|
The default implementation of
|
|
.Nm
|
|
scans through
|
|
.Fa vp Ns 's
|
|
parent directory looking for a dirent with a matching file number. If
|
|
.Fa vp
|
|
is not a directory, then
|
|
.Nm
|
|
returns ENOENT.
|
|
.Sh LOCKS
|
|
The vnode should be locked on entry and will still be locked on exit. The
|
|
parent directory vnode will be unlocked on a successful exit. However, it
|
|
will have its hold count incremented.
|
|
.Sh RETURN VALUES
|
|
Zero is returned on success, otherwise an error code is returned.
|
|
.Sh ERRORS
|
|
.Bl -tag -width Er
|
|
.It Bq Er ENOMEM
|
|
The buffer was not large enough to hold the vnode's component name.
|
|
.It Bq Er ENOENT
|
|
The vnode was not found on the file system.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr VOP_LOOKUP 9 ,
|
|
.Xr vnode 9
|
|
.Sh NOTES
|
|
This interface is a work in progress.
|
|
.Sh HISTORY
|
|
The function
|
|
.Nm
|
|
appeared in
|
|
.Fx 8.0 .
|
|
.Sh AUTHORS
|
|
This manual page was written by
|
|
.An Joe Marcus Clarke .
|