1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
#include <string.h>
#include "ipv6.h"
/** IPv6 "any" address constant. */
const ipv6addr IPV6ADDR_ANY = {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }};
/** IPv6 loopback address constant. */
const ipv6addr IPV6ADDR_LOOPBACK = {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }};
/** IPv4-in-IPv6 address prefix constant. */
const ipv6addr IPV6ADDR_V4PREFIX = {{ 0,0,0,0,0,0,0,0,0,0,0xff,0xff,0,0,0,0 }};
/** Return true if the IPv6 address is actually a wrapped IPv4 address. */
int ipv6_isv4mapped(const ipv6addr* addr)
{
return memcmp(&IPV6ADDR_V4PREFIX, addr, 12) == 0;
}
|
