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
30*6812Sraf #pragma ident "%Z%%M% %I% %E% SMI"
310Sstevel@tonic-gate
32*6812Sraf #include "lint.h"
330Sstevel@tonic-gate #include <string.h>
340Sstevel@tonic-gate #include <stddef.h>
350Sstevel@tonic-gate #include <sys/types.h>
360Sstevel@tonic-gate
370Sstevel@tonic-gate /*
380Sstevel@tonic-gate * uses strpbrk and strspn to break string into tokens on
390Sstevel@tonic-gate * sequentially subsequent calls. returns NULL when no
400Sstevel@tonic-gate * non-separator characters remain.
410Sstevel@tonic-gate * `subsequent' calls are calls with first argument NULL.
420Sstevel@tonic-gate */
430Sstevel@tonic-gate char *
strtok_r(char * string,const char * sepset,char ** lasts)440Sstevel@tonic-gate strtok_r(char *string, const char *sepset, char **lasts)
450Sstevel@tonic-gate {
460Sstevel@tonic-gate char *q, *r;
470Sstevel@tonic-gate
480Sstevel@tonic-gate /* first or subsequent call */
490Sstevel@tonic-gate if (string == NULL)
500Sstevel@tonic-gate string = *lasts;
510Sstevel@tonic-gate
520Sstevel@tonic-gate if (string == NULL) /* return if no tokens remaining */
530Sstevel@tonic-gate return (NULL);
540Sstevel@tonic-gate
550Sstevel@tonic-gate q = string + strspn(string, sepset); /* skip leading separators */
560Sstevel@tonic-gate
570Sstevel@tonic-gate if (*q == '\0') /* return if no tokens remaining */
580Sstevel@tonic-gate return (NULL);
590Sstevel@tonic-gate
600Sstevel@tonic-gate if ((r = strpbrk(q, sepset)) == NULL) /* move past token */
610Sstevel@tonic-gate *lasts = NULL; /* indicate this is last token */
620Sstevel@tonic-gate else {
630Sstevel@tonic-gate *r = '\0';
640Sstevel@tonic-gate *lasts = r + 1;
650Sstevel@tonic-gate }
660Sstevel@tonic-gate return (q);
670Sstevel@tonic-gate }
68