17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7257d1b4Sraf * Common Development and Distribution License (the "License").
6*7257d1b4Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
21*7257d1b4Sraf
227c478bd9Sstevel@tonic-gate /*
23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
247c478bd9Sstevel@tonic-gate * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
287c478bd9Sstevel@tonic-gate /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
317c478bd9Sstevel@tonic-gate
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate * getsubopt - parse suboptions from a flag argument.
347c478bd9Sstevel@tonic-gate */
35*7257d1b4Sraf #pragma weak _getsubopt = getsubopt
367c478bd9Sstevel@tonic-gate
37*7257d1b4Sraf #include "lint.h"
387c478bd9Sstevel@tonic-gate #include <sys/types.h>
397c478bd9Sstevel@tonic-gate #include <string.h>
407c478bd9Sstevel@tonic-gate #include <stdlib.h>
417c478bd9Sstevel@tonic-gate #include <stdio.h>
427c478bd9Sstevel@tonic-gate
437c478bd9Sstevel@tonic-gate int
getsubopt(char ** optionsp,char * const * tokens,char ** valuep)447c478bd9Sstevel@tonic-gate getsubopt(char **optionsp, char * const *tokens, char **valuep)
457c478bd9Sstevel@tonic-gate {
467c478bd9Sstevel@tonic-gate char *s = *optionsp, *p;
477c478bd9Sstevel@tonic-gate int i;
487c478bd9Sstevel@tonic-gate size_t optlen;
497c478bd9Sstevel@tonic-gate
507c478bd9Sstevel@tonic-gate *valuep = NULL;
517c478bd9Sstevel@tonic-gate if (*s == '\0')
527c478bd9Sstevel@tonic-gate return (-1);
537c478bd9Sstevel@tonic-gate p = strchr(s, ','); /* find next option */
547c478bd9Sstevel@tonic-gate if (p == NULL) {
557c478bd9Sstevel@tonic-gate p = s + strlen(s);
567c478bd9Sstevel@tonic-gate } else {
577c478bd9Sstevel@tonic-gate *p++ = '\0'; /* mark end and point to next */
587c478bd9Sstevel@tonic-gate }
597c478bd9Sstevel@tonic-gate *optionsp = p; /* point to next option */
607c478bd9Sstevel@tonic-gate p = strchr(s, '='); /* find value */
617c478bd9Sstevel@tonic-gate if (p == NULL) {
627c478bd9Sstevel@tonic-gate optlen = strlen(s);
637c478bd9Sstevel@tonic-gate *valuep = NULL;
647c478bd9Sstevel@tonic-gate } else {
657c478bd9Sstevel@tonic-gate optlen = p - s;
667c478bd9Sstevel@tonic-gate *valuep = ++p;
677c478bd9Sstevel@tonic-gate }
687c478bd9Sstevel@tonic-gate for (i = 0; tokens[i] != NULL; i++) {
697c478bd9Sstevel@tonic-gate if ((optlen == strlen(tokens[i])) &&
707c478bd9Sstevel@tonic-gate (strncmp(s, tokens[i], optlen) == 0))
717c478bd9Sstevel@tonic-gate return (i);
727c478bd9Sstevel@tonic-gate }
737c478bd9Sstevel@tonic-gate /* no match, point value at option and return error */
747c478bd9Sstevel@tonic-gate *valuep = s;
757c478bd9Sstevel@tonic-gate return (-1);
767c478bd9Sstevel@tonic-gate }
77