lib/libspl/zone.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2006 Ricardo Correia.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #include <zone.h>
  27 #include <string.h>
  28 #include <errno.h>
  29
  30 zoneid_t getzoneid()
  31 {
  32         return GLOBAL_ZONEID;
  33 }
  34
  35 zoneid_t getzoneidbyname(const char *name)
  36 {
  37         if(name == NULL)
  38                 return GLOBAL_ZONEID;
  39
  40         if(strcmp(name, GLOBAL_ZONEID_NAME) == 0)
  41                 return GLOBAL_ZONEID;
  42
  43         return EINVAL;
  44 }
  45
  46 ssize_t getzonenamebyid(zoneid_t id, char *buf, size_t buflen)
  47 {
  48         if(id != GLOBAL_ZONEID)
  49                 return EINVAL;
  50
  51         ssize_t ret = strlen(GLOBAL_ZONEID_NAME) + 1;
  52
  53         if(buf == NULL || buflen == 0)
  54                 return ret;
  55
  56         strncpy(buf, GLOBAL_ZONEID_NAME, buflen);
  57         buf[buflen - 1] = '\0';
  58
  59         return ret;
  60 }