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/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHORS 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 AUTHORS 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/pathname.h>
#include <sys/vfs.h>
#include <sys/vnode.h>
int
lookupname(char *dirname, enum uio_seg seg, enum symfollow follow,
vnode_t **dirvpp, vnode_t **compvpp)
{
return (lookupnameat(dirname, seg, follow, dirvpp, compvpp, NULL));
}
int
lookupnameat(char *dirname, enum uio_seg seg, enum symfollow follow,
vnode_t **dirvpp, vnode_t **compvpp, vnode_t *startvp)
{
struct nameidata nd;
int error, ltype;
ASSERT(dirvpp == NULL);
vref(startvp);
ltype = VOP_ISLOCKED(startvp);
VOP_UNLOCK(startvp, 0);
NDINIT_ATVP(&nd, LOOKUP, LOCKLEAF | follow, seg, dirname,
startvp, curthread);
error = namei(&nd);
*compvpp = nd.ni_vp;
NDFREE(&nd, NDF_ONLY_PNBUF);
vn_lock(startvp, ltype | LK_RETRY);
return (error);
}
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