config_utils.c

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * 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.
 */

#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>

#include <cutils/config_utils.h>
#include <cutils/misc.h>

cnode* config_node(const char *name, const char *value)
{
    cnode *node;

    node = calloc(sizeof(cnode), 1);
    if(node) {
        node->name = name ? name : "";
        node->value = value ? value : "";
    }

    return node;
}

cnode* config_find(cnode *root, const char *name)
{
    cnode *node, *match = NULL;

    /* we walk the whole list, as we need to return the last (newest) entry */
    for(node = root->first_child; node; node = node->next)
        if(!strcmp(node->name, name))
            match = node;

    return match;
}

static cnode* _config_create(cnode *root, const char *name)
{
    cnode *node;

    node = config_node(name, NULL);

    if(root->last_child)
        root->last_child->next = node;
    else
        root->first_child = node;

    root->last_child = node;

    return node;
}

int config_bool(cnode *root, const char *name, int _default)
{
    cnode *node;