10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*6812Sraf * Common Development and Distribution License (the "License").
6*6812Sraf * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate *
80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate * See the License for the specific language governing permissions
110Sstevel@tonic-gate * and limitations under the License.
120Sstevel@tonic-gate *
130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate *
190Sstevel@tonic-gate * CDDL HEADER END
200Sstevel@tonic-gate */
21*6812Sraf
220Sstevel@tonic-gate /*
23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
240Sstevel@tonic-gate * Use is subject to license terms.
250Sstevel@tonic-gate */
260Sstevel@tonic-gate
270Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
280Sstevel@tonic-gate /* All Rights Reserved */
290Sstevel@tonic-gate
300Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
310Sstevel@tonic-gate
320Sstevel@tonic-gate /*
330Sstevel@tonic-gate * getsubopt - parse suboptions from a flag argument.
340Sstevel@tonic-gate */
35*6812Sraf #pragma weak _getsubopt = getsubopt
360Sstevel@tonic-gate
37*6812Sraf #include "lint.h"
380Sstevel@tonic-gate #include <sys/types.h>
390Sstevel@tonic-gate #include <string.h>
400Sstevel@tonic-gate #include <stdlib.h>
410Sstevel@tonic-gate #include <stdio.h>
420Sstevel@tonic-gate
430Sstevel@tonic-gate int
getsubopt(char ** optionsp,char * const * tokens,char ** valuep)440Sstevel@tonic-gate getsubopt(char **optionsp, char * const *tokens, char **valuep)
450Sstevel@tonic-gate {
460Sstevel@tonic-gate char *s = *optionsp, *p;
470Sstevel@tonic-gate int i;
480Sstevel@tonic-gate size_t optlen;
490Sstevel@tonic-gate
500Sstevel@tonic-gate *valuep = NULL;
510Sstevel@tonic-gate if (*s == '\0')
520Sstevel@tonic-gate return (-1);
530Sstevel@tonic-gate p = strchr(s, ','); /* find next option */
540Sstevel@tonic-gate if (p == NULL) {
550Sstevel@tonic-gate p = s + strlen(s);
560Sstevel@tonic-gate } else {
570Sstevel@tonic-gate *p++ = '\0'; /* mark end and point to next */
580Sstevel@tonic-gate }
590Sstevel@tonic-gate *optionsp = p; /* point to next option */
600Sstevel@tonic-gate p = strchr(s, '='); /* find value */
610Sstevel@tonic-gate if (p == NULL) {
620Sstevel@tonic-gate optlen = strlen(s);
630Sstevel@tonic-gate *valuep = NULL;
640Sstevel@tonic-gate } else {
650Sstevel@tonic-gate optlen = p - s;
660Sstevel@tonic-gate *valuep = ++p;
670Sstevel@tonic-gate }
680Sstevel@tonic-gate for (i = 0; tokens[i] != NULL; i++) {
690Sstevel@tonic-gate if ((optlen == strlen(tokens[i])) &&
700Sstevel@tonic-gate (strncmp(s, tokens[i], optlen) == 0))
710Sstevel@tonic-gate return (i);
720Sstevel@tonic-gate }
730Sstevel@tonic-gate /* no match, point value at option and return error */
740Sstevel@tonic-gate *valuep = s;
750Sstevel@tonic-gate return (-1);
760Sstevel@tonic-gate }
77