| /* 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; |
| } |