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
30*7257d1b4Sraf #include "lint.h"
317c478bd9Sstevel@tonic-gate #include <string.h>
327c478bd9Sstevel@tonic-gate #include <stddef.h>
337c478bd9Sstevel@tonic-gate #include <sys/types.h>
347c478bd9Sstevel@tonic-gate
357c478bd9Sstevel@tonic-gate /*
367c478bd9Sstevel@tonic-gate * uses strpbrk and strspn to break string into tokens on
377c478bd9Sstevel@tonic-gate * sequentially subsequent calls. returns NULL when no
387c478bd9Sstevel@tonic-gate * non-separator characters remain.
397c478bd9Sstevel@tonic-gate * `subsequent' calls are calls with first argument NULL.
407c478bd9Sstevel@tonic-gate */
417c478bd9Sstevel@tonic-gate char *
strtok_r(char * string,const char * sepset,char ** lasts)427c478bd9Sstevel@tonic-gate strtok_r(char *string, const char *sepset, char **lasts)
437c478bd9Sstevel@tonic-gate {
447c478bd9Sstevel@tonic-gate char *q, *r;
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate /* first or subsequent call */
477c478bd9Sstevel@tonic-gate if (string == NULL)
487c478bd9Sstevel@tonic-gate string = *lasts;
497c478bd9Sstevel@tonic-gate
507c478bd9Sstevel@tonic-gate if (string == NULL) /* return if no tokens remaining */
517c478bd9Sstevel@tonic-gate return (NULL);
527c478bd9Sstevel@tonic-gate
537c478bd9Sstevel@tonic-gate q = string + strspn(string, sepset); /* skip leading separators */
547c478bd9Sstevel@tonic-gate
557c478bd9Sstevel@tonic-gate if (*q == '\0') /* return if no tokens remaining */
567c478bd9Sstevel@tonic-gate return (NULL);
577c478bd9Sstevel@tonic-gate
587c478bd9Sstevel@tonic-gate if ((r = strpbrk(q, sepset)) == NULL) /* move past token */
597c478bd9Sstevel@tonic-gate *lasts = NULL; /* indicate this is last token */
607c478bd9Sstevel@tonic-gate else {
617c478bd9Sstevel@tonic-gate *r = '\0';
627c478bd9Sstevel@tonic-gate *lasts = r + 1;
637c478bd9Sstevel@tonic-gate }
647c478bd9Sstevel@tonic-gate return (q);
657c478bd9Sstevel@tonic-gate }
66