2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License (the "License").
2N/A * You may not use this file except in compliance with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A
2N/A/*
2N/A * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*
2N/A * getsubopt - parse suboptions from a flag argument.
2N/A */
2N/A#pragma weak _getsubopt = getsubopt
2N/A
2N/A#include "lint.h"
2N/A#include <sys/types.h>
2N/A#include <string.h>
2N/A#include <stdlib.h>
2N/A#include <stdio.h>
2N/A
2N/Aint
2N/Agetsubopt(char **optionsp, char * const *tokens, char **valuep)
2N/A{
2N/A char *s = *optionsp, *p;
2N/A int i;
2N/A size_t optlen;
2N/A
2N/A *valuep = NULL;
2N/A if (*s == '\0')
2N/A return (-1);
2N/A p = strchr(s, ','); /* find next option */
2N/A if (p == NULL) {
2N/A p = s + strlen(s);
2N/A } else {
2N/A *p++ = '\0'; /* mark end and point to next */
2N/A }
2N/A *optionsp = p; /* point to next option */
2N/A p = strchr(s, '='); /* find value */
2N/A if (p == NULL) {
2N/A optlen = strlen(s);
2N/A *valuep = NULL;
2N/A } else {
2N/A optlen = p - s;
2N/A *valuep = ++p;
2N/A }
2N/A for (i = 0; tokens[i] != NULL; i++) {
2N/A if ((optlen == strlen(tokens[i])) &&
2N/A (strncmp(s, tokens[i], optlen) == 0))
2N/A return (i);
2N/A }
2N/A /* no match, point value at option and return error */
2N/A *valuep = s;
2N/A return (-1);
2N/A}