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#include "lint.h"
2N/A#include <string.h>
2N/A#include <stddef.h>
2N/A#include <sys/types.h>
2N/A
2N/A/*
2N/A * uses strpbrk and strspn to break string into tokens on
2N/A * sequentially subsequent calls. returns NULL when no
2N/A * non-separator characters remain.
2N/A * `subsequent' calls are calls with first argument NULL.
2N/A */
2N/Achar *
2N/Astrtok_r(char *string, const char *sepset, char **lasts)
2N/A{
2N/A char *q, *r;
2N/A
2N/A /* first or subsequent call */
2N/A if (string == NULL)
2N/A string = *lasts;
2N/A
2N/A if (string == NULL) /* return if no tokens remaining */
2N/A return (NULL);
2N/A
2N/A q = string + strspn(string, sepset); /* skip leading separators */
2N/A
2N/A if (*q == '\0') /* return if no tokens remaining */
2N/A return (NULL);
2N/A
2N/A if ((r = strpbrk(q, sepset)) == NULL) /* move past token */
2N/A *lasts = NULL; /* indicate this is last token */
2N/A else {
2N/A *r = '\0';
2N/A *lasts = r + 1;
2N/A }
2N/A return (q);
2N/A}