strsep.c revision 55682
155682Smarkm/* 255682Smarkm * Copyright (c) 1997 Kungliga Tekniska H�gskolan 355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden). 455682Smarkm * All rights reserved. 555682Smarkm * 655682Smarkm * Redistribution and use in source and binary forms, with or without 755682Smarkm * modification, are permitted provided that the following conditions 855682Smarkm * are met: 955682Smarkm * 1055682Smarkm * 1. Redistributions of source code must retain the above copyright 1155682Smarkm * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 1355682Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1455682Smarkm * notice, this list of conditions and the following disclaimer in the 1555682Smarkm * documentation and/or other materials provided with the distribution. 1655682Smarkm * 1755682Smarkm * 3. Neither the name of the Institute nor the names of its contributors 1855682Smarkm * may be used to endorse or promote products derived from this software 1955682Smarkm * without specific prior written permission. 2055682Smarkm * 2155682Smarkm * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 2255682Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2355682Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2455682Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 2555682Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2655682Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2755682Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2855682Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2955682Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3055682Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3155682Smarkm * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm#ifdef HAVE_CONFIG_H 3555682Smarkm#include <config.h> 3655682SmarkmRCSID("$Id: strsep.c,v 1.3 1999/12/02 16:58:53 joda Exp $"); 3755682Smarkm#endif 3855682Smarkm 3955682Smarkm#include <string.h> 4055682Smarkm 4155682Smarkm#include "roken.h" 4255682Smarkm 4355682Smarkm#ifndef HAVE_STRSEP 4455682Smarkm 4555682Smarkmchar * 4655682Smarkmstrsep(char **str, const char *delim) 4755682Smarkm{ 4855682Smarkm char *save = *str; 4955682Smarkm if(*str == NULL) 5055682Smarkm return NULL; 5155682Smarkm *str = *str + strcspn(*str, delim); 5255682Smarkm if(**str == 0) 5355682Smarkm *str = NULL; 5455682Smarkm else{ 5555682Smarkm **str = 0; 5655682Smarkm (*str)++; 5755682Smarkm } 5855682Smarkm return save; 5955682Smarkm} 6055682Smarkm 6155682Smarkm#endif 62