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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include <netdb.h> 28 #include <unistd.h> 29 #include <errno.h> 30 #include <strings.h> 31 #include "libfsmgt.h" 32 33 /* 34 * Public methods 35 */ 36 sys_get_hostname(int * errp)37char *sys_get_hostname(int *errp) { 38 39 char host[MAXHOSTNAMELEN + 1]; 40 char *ret_val; 41 42 *errp = 0; 43 if (gethostname(host, sizeof (host)) == -1) { 44 *errp = errno; 45 return (NULL); 46 } 47 48 ret_val = strdup(host); 49 if (ret_val == NULL) { 50 *errp = errno; 51 return (NULL); 52 } 53 54 /* 55 * Note: The space allocated for the return value must be freed by the 56 * caller using free(). 57 */ 58 return (ret_val); 59 } /* sys_get_hostname */ 60