apache/server/util_cfgtree.c

   1 /* Licensed to the Apache Software Foundation (ASF) under one or more
   2  * contributor license agreements.  See the NOTICE file distributed with
   3  * this work for additional information regarding copyright ownership.
   4  * The ASF licenses this file to You under the Apache License, Version 2.0
   5  * (the "License"); you may not use this file except in compliance with
   6  * the License.  You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include "util_cfgtree.h"
  18 #include <stdlib.h>
  19
  20 ap_directive_t *ap_add_node(ap_directive_t **parent, ap_directive_t *current,
  21                             ap_directive_t *toadd, int child)
  22 {
  23     if (current == NULL) {
  24         /* we just started a new parent */
  25         if (*parent != NULL) {
  26             (*parent)->first_child = toadd;
  27             toadd->parent = *parent;
  28         }
  29         if (child) {
  30             /* First item in config file or container is a container */
  31             *parent = toadd;
  32             return NULL;
  33         }
  34         return toadd;
  35     }
  36     current->next = toadd;
  37     toadd->parent = *parent;
  38     if (child) {
  39         /* switch parents, navigate into child */
  40         *parent = toadd;
  41         return NULL;
  42     }
  43     return toadd;
  44 }
  45
  46