/*
* 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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include "sharemgr.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/*
* Utility functions shared by sharemgr and sharectl.
*/
/*
* add_opt(optlist, optarg, security?)
* Add a new parsed option to the option list provided.
* If the option is a security option, only add if we are
* processing security options.
*/
int
add_opt(struct options **optlistp, char *optarg, int unset)
{
struct options *newopt, *tmp, *optlist;
char *optname;
char *optvalue;
optlist = *optlistp;
newopt = (struct options *)malloc(sizeof (struct options));
if (newopt == NULL)
return (OPT_ADD_MEMORY);
/* extract property/value pair */
optname = optarg;
if (!unset) {
optvalue = strchr(optname, '=');
if (optvalue == NULL) {
free(newopt);
return (OPT_ADD_SYNTAX);
}
*optvalue++ = '\0'; /* separate the halves */
} else {
optvalue = NULL;
}
newopt->optname = optname;
newopt->optvalue = optvalue;
newopt->next = NULL;
if (optlist == NULL) {
optlist = newopt;
} else {
for (tmp = optlist; tmp->next != NULL;
tmp = tmp->next) {
/*
* Check to see if this is a duplicate
* value. We want to replace the first
* instance with the second.
*/
if (strcmp(tmp->optname, optname) == 0) {
tmp->optvalue = optvalue;
free(newopt);
goto done;
}
}
tmp->next = newopt;
}
done:
*optlistp = optlist;
return (OPT_ADD_OK);
}