| /* |
| * Copyright 2011 Daniel Drown |
| * |
| * 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. |
| * |
| * config.c - configuration settings |
| */ |
| |
| #include <arpa/inet.h> |
| #include <errno.h> |
| #include <limits.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <cutils/config_utils.h> |
| #include <netutils/checksum.h> |
| #include <netutils/ifc.h> |
| |
| #include "clatd.h" |
| #include "config.h" |
| #include "getaddr.h" |
| #include "logging.h" |
| |
| struct clat_config Global_Clatd_Config; |
| |
| /* function: ipv6_prefix_equal |
| * compares the prefixes two ipv6 addresses. assumes the prefix lengths are both /64. |
| * a1 - first address |
| * a2 - second address |
| * returns: 0 if the subnets are different, 1 if they are the same. |
| */ |
| int ipv6_prefix_equal(struct in6_addr *a1, struct in6_addr *a2) { return !memcmp(a1, a2, 8); } |