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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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/* Copyright (c) 1988 AT&T */
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/* All Rights Reserved */
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#pragma ident "%Z%%M% %I% %E% SMI"
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/*
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* getsubopt - parse suboptions from a flag argument.
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*/
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#pragma weak _getsubopt = getsubopt
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#include "lint.h"
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#include <sys/types.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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int
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getsubopt(char **optionsp, char * const *tokens, char **valuep)
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{
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char *s = *optionsp, *p;
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int i;
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size_t optlen;
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*valuep = NULL;
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if (*s == '\0')
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return (-1);
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p = strchr(s, ','); /* find next option */
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if (p == NULL) {
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p = s + strlen(s);
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} else {
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*p++ = '\0'; /* mark end and point to next */
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}
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*optionsp = p; /* point to next option */
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p = strchr(s, '='); /* find value */
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if (p == NULL) {
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optlen = strlen(s);
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*valuep = NULL;
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} else {
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optlen = p - s;
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*valuep = ++p;
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}
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for (i = 0; tokens[i] != NULL; i++) {
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if ((optlen == strlen(tokens[i])) &&
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(strncmp(s, tokens[i], optlen) == 0))
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return (i);
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}
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/* no match, point value at option and return error */
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*valuep = s;
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return (-1);
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}
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