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 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