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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_STDDEF_H
#include <stddef.h> /* for NULL */
#endif
#include "apr.h"
#include "apr_strings.h"
#define APR_WANT_STRFUNC /* for strchr() */
#include "apr_want.h"
APR_DECLARE(char *) apr_strtok(char *str, const char *sep, char **last)
{
char *token;
if (!str) /* subsequent call */
str = *last; /* start where we left off */
/* skip characters in sep (will terminate at '\0') */
while (*str && strchr(sep, *str))
++str;
if (!*str) /* no more tokens */
return NULL;
token = str;
/* skip valid token characters to terminate token and
* prepare for the next call (will terminate at '\0)
*/
*last = token + 1;
while (**last && !strchr(sep, **last))
++*last;
if (**last) {
**last = '\0';
++*last;
}
return token;
}
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