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
  31 getzoneid()
  32 {
  33         return (GLOBAL_ZONEID);
  34 }
  35
  36 zoneid_t
  37 getzoneidbyname(const char *name)
  38 {
  39         if (name == NULL)
  40                 return (GLOBAL_ZONEID);
  41
  42         if (strcmp(name, GLOBAL_ZONEID_NAME) == 0)
  43                 return (GLOBAL_ZONEID);
  44
  45         return (EINVAL);
  46 }
  47
  48 ssize_t
  49 getzonenamebyid(zoneid_t id, char *buf, size_t buflen)
  50 {
  51         if (id != GLOBAL_ZONEID)
  52                 return (EINVAL);
  53
  54         ssize_t ret = strlen(GLOBAL_ZONEID_NAME) + 1;
  55
  56         if (buf == NULL || buflen == 0)
  57                 return (ret);
  58
  59         strncpy(buf, GLOBAL_ZONEID_NAME, buflen);
  60         buf[buflen - 1] = '\0';
  61
  62         return (ret);
  63 }