mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
1d3ba0bf01
The commit replaces all findings of the link: http://www.opensolaris.org/os/licensing with this one: https://opensource.org/licenses/CDDL-1.0 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #13619
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or https://opensource.org/licenses/CDDL-1.0.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
|
|
/* All Rights Reserved */
|
|
|
|
/*
|
|
* University Copyright- Copyright (c) 1982, 1986, 1988
|
|
* The Regents of the University of California
|
|
* All Rights Reserved
|
|
*
|
|
* University Acknowledgment- Portions of this document are derived from
|
|
* software developed by the University of California, Berkeley, and its
|
|
* contributors.
|
|
*/
|
|
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/pathname.h>
|
|
#include <sys/kmem.h>
|
|
#include <sys/sysmacros.h>
|
|
|
|
/*
|
|
* Pathname utilities.
|
|
*
|
|
* In translating file names we copy each argument file
|
|
* name into a pathname structure where we operate on it.
|
|
* Each pathname structure can hold "pn_bufsize" characters
|
|
* including a terminating null, and operations here support
|
|
* allocating and freeing pathname structures, fetching
|
|
* strings from user space, getting the next character from
|
|
* a pathname, combining two pathnames (used in symbolic
|
|
* link processing), and peeling off the first component
|
|
* of a pathname.
|
|
*/
|
|
|
|
/*
|
|
* Allocate contents of pathname structure. Structure is typically
|
|
* an automatic variable in calling routine for convenience.
|
|
*
|
|
* May sleep in the call to kmem_alloc() and so must not be called
|
|
* from interrupt level.
|
|
*/
|
|
void
|
|
pn_alloc(struct pathname *pnp)
|
|
{
|
|
pn_alloc_sz(pnp, MAXPATHLEN);
|
|
}
|
|
void
|
|
pn_alloc_sz(struct pathname *pnp, size_t sz)
|
|
{
|
|
pnp->pn_buf = kmem_alloc(sz, KM_SLEEP);
|
|
pnp->pn_bufsize = sz;
|
|
}
|
|
|
|
/*
|
|
* Free pathname resources.
|
|
*/
|
|
void
|
|
pn_free(struct pathname *pnp)
|
|
{
|
|
/* pn_bufsize is usually MAXPATHLEN, but may not be */
|
|
kmem_free(pnp->pn_buf, pnp->pn_bufsize);
|
|
pnp->pn_buf = NULL;
|
|
pnp->pn_bufsize = 0;
|
|
}
|