zfs-builds-mm/zfs-0.8.2/lib/libspl/zone.c

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2019-10-24 23:13:56 +02:00
/*
* 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 http://www.opensolaris.org/os/licensing.
* 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 2006 Ricardo Correia. All rights reserved.
* Use is subject to license terms.
*/
#include <zone.h>
#include <string.h>
#include <errno.h>
zoneid_t
getzoneid()
{
return (GLOBAL_ZONEID);
}
zoneid_t
getzoneidbyname(const char *name)
{
if (name == NULL)
return (GLOBAL_ZONEID);
if (strcmp(name, GLOBAL_ZONEID_NAME) == 0)
return (GLOBAL_ZONEID);
return (EINVAL);
}
ssize_t
getzonenamebyid(zoneid_t id, char *buf, size_t buflen)
{
if (id != GLOBAL_ZONEID)
return (EINVAL);
ssize_t ret = strlen(GLOBAL_ZONEID_NAME) + 1;
if (buf == NULL || buflen == 0)
return (ret);
strncpy(buf, GLOBAL_ZONEID_NAME, buflen);
buf[buflen - 1] = '\0';
return (ret);
}