You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
3.0 KiB
94 lines
3.0 KiB
/*
|
|
* Copyright (C) 2015 The Android Open Source Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
/**
|
|
* @file ifaddrs.h
|
|
* @brief Access to network interface addresses.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <netinet/in.h>
|
|
#include <sys/socket.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
/**
|
|
* Returned by getifaddrs() and freed by freeifaddrs().
|
|
*/
|
|
struct ifaddrs {
|
|
/** Pointer to the next element in the linked list. */
|
|
struct ifaddrs* ifa_next;
|
|
|
|
/** Interface name. */
|
|
char* ifa_name;
|
|
/** Interface flags (like `SIOCGIFFLAGS`). */
|
|
unsigned int ifa_flags;
|
|
/** Interface address. */
|
|
struct sockaddr* ifa_addr;
|
|
/** Interface netmask. */
|
|
struct sockaddr* ifa_netmask;
|
|
|
|
union {
|
|
/** Interface broadcast address (if IFF_BROADCAST is set). */
|
|
struct sockaddr* ifu_broadaddr;
|
|
/** Interface destination address (if IFF_POINTOPOINT is set). */
|
|
struct sockaddr* ifu_dstaddr;
|
|
} ifa_ifu;
|
|
|
|
/** Unused. */
|
|
void* ifa_data;
|
|
};
|
|
|
|
/** Synonym for `ifa_ifu.ifu_broadaddr` in `struct ifaddrs`. */
|
|
#define ifa_broadaddr ifa_ifu.ifu_broadaddr
|
|
/** Synonym for `ifa_ifu.ifu_dstaddr` in `struct ifaddrs`. */
|
|
#define ifa_dstaddr ifa_ifu.ifu_dstaddr
|
|
|
|
/**
|
|
* [getifaddrs(3)](http://man7.org/linux/man-pages/man3/getifaddrs.3.html) creates a linked list
|
|
* of `struct ifaddrs`. The list must be freed by freeifaddrs().
|
|
*
|
|
* Returns 0 and stores the list in `*__list_ptr` on success,
|
|
* and returns -1 and sets `errno` on failure.
|
|
*
|
|
* Available since API level 24.
|
|
*/
|
|
int getifaddrs(struct ifaddrs** __list_ptr) __INTRODUCED_IN(24);
|
|
|
|
/**
|
|
* [freeifaddrs(3)](http://man7.org/linux/man-pages/man3/freeifaddrs.3.html) frees a linked list
|
|
* of `struct ifaddrs` returned by getifaddrs().
|
|
*
|
|
* Available since API level 24.
|
|
*/
|
|
void freeifaddrs(struct ifaddrs* __ptr) __INTRODUCED_IN(24);
|
|
|
|
__END_DECLS
|