util_cfgtree.c

Apache HTTP Server 是一个功能强大的灵活的与HTTP/1.1相兼容的web服务器.这里给出的是Apache HTTP服务器的源码。

/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
 * applicable.
 *
 * Licensed 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.
 */

#define CORE_PRIVATE
#include "util_cfgtree.h"
#include <stdlib.h>

ap_directive_t *ap_add_node(ap_directive_t **parent, ap_directive_t *current, 
                            ap_directive_t *toadd, int child)
{
    if (current == NULL) {
        /* we just started a new parent */
        if (*parent != NULL) {
            (*parent)->first_child = toadd;
            toadd->parent = *parent;
        }
        if (child) {
            /* First item in config file or container is a container */
            *parent = toadd;
            return NULL;
        }
        return toadd;
    }
    current->next = toadd;
    toadd->parent = *parent;
    if (child) {
        /* switch parents, navigate into child */
        *parent = toadd;
        return NULL;
    }
    return toadd;
}