1 /*
2  * Copyright (C) 2009 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * 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 #ifndef IFADDRS_ANDROID_EXT_H_included
18 #define IFADDRS_ANDROID_EXT_H_included
19 
20 #include <arpa/inet.h>
21 #include <errno.h>
22 #include <net/if.h>
23 #include <netinet/in.h>
24 #include <sys/ioctl.h>
25 #include <sys/types.h>
26 #include <sys/socket.h>
27 #include <stdio.h>
28 #include <linux/netlink.h>
29 #include <linux/rtnetlink.h>
30 
31 // Android (bionic) doesn't have getifaddrs(3)/freeifaddrs(3).
32 // We fake it here, so java_net_NetworkInterface.cpp can use that API
33 // with all the non-portable code being in this file.
34 
35 // Source-compatible subset of the BSD struct.
36 typedef struct ifaddrs {
37     // Pointer to next struct in list, or NULL at end.
38     struct ifaddrs* ifa_next;
39 
40     // Interface name.
41     char* ifa_name;
42 
43     // Interface flags.
44     unsigned int ifa_flags;
45 
46     // Interface network address.
47     struct sockaddr* ifa_addr;
48 
49     // Interface netmask.
50     struct sockaddr* ifa_netmask;
51 } ifaddrs;
52 
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56     int getifaddrs(ifaddrs** result);
57     void freeifaddrs(ifaddrs* addresses);
58 #ifdef __cplusplus
59 }
60 #endif
61 
62 #endif  // IFADDRS_ANDROID_H_included
63