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 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include "sharemgr.h" 31 #include <stdlib.h> 32 #include <stdio.h> 33 #include <string.h> 34 35 /* 36 * Utility functions shared by sharemgr and sharectl. 37 */ 38 39 /* 40 * add_opt(optlist, optarg, security?) 41 * Add a new parsed option to the option list provided. 42 * If the option is a security option, only add if we are 43 * processing security options. 44 */ 45 int 46 add_opt(struct options **optlistp, char *optarg, int unset) 47 { 48 struct options *newopt, *tmp, *optlist; 49 char *optname; 50 char *optvalue; 51 52 optlist = *optlistp; 53 newopt = (struct options *)malloc(sizeof (struct options)); 54 if (newopt == NULL) 55 return (OPT_ADD_MEMORY); 56 57 /* extract property/value pair */ 58 optname = optarg; 59 if (!unset) { 60 optvalue = strchr(optname, '='); 61 if (optvalue == NULL) { 62 free(newopt); 63 return (OPT_ADD_SYNTAX); 64 } 65 *optvalue++ = '\0'; /* separate the halves */ 66 } else { 67 optvalue = NULL; 68 } 69 70 newopt->optname = optname; 71 newopt->optvalue = optvalue; 72 newopt->next = NULL; 73 if (optlist == NULL) { 74 optlist = newopt; 75 } else { 76 for (tmp = optlist; tmp->next != NULL; 77 tmp = tmp->next) { 78 /* 79 * Check to see if this is a duplicate 80 * value. We want to replace the first 81 * instance with the second. 82 */ 83 if (strcmp(tmp->optname, optname) == 0) { 84 tmp->optvalue = optvalue; 85 free(newopt); 86 goto done; 87 } 88 } 89 tmp->next = newopt; 90 } 91 done: 92 *optlistp = optlist; 93 return (OPT_ADD_OK); 94 } 95