blob: 6f6dff7e0a21f8f48caafd96af0b88302ebd2069 [file] [log] [blame]
Simon Kelleyd1ced3a2018-01-01 22:18:03 +00001/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley
Simon Kelleyc3a04082014-01-11 22:18:19 +00002
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; version 2 dated June, 1991, or
6 (at your option) version 3 dated 29 June, 2007.
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
12
13 You should have received a copy of the GNU General Public License
14 along with this program. If not, see <http://www.gnu.org/licenses/>.
15*/
16
17
18
19#define IN6_IS_ADDR_ULA(a) \
20 ((((__const uint32_t *) (a))[0] & htonl (0xff000000)) \
21 == htonl (0xfd000000))
22
23#define IN6_IS_ADDR_ULA_ZERO(a) \
24 (((__const uint32_t *) (a))[0] == htonl (0xfd000000) \
25 && ((__const uint32_t *) (a))[1] == 0 \
26 && ((__const uint32_t *) (a))[2] == 0 \
27 && ((__const uint32_t *) (a))[3] == 0)
28
29#define IN6_IS_ADDR_LINK_LOCAL_ZERO(a) \
30 (((__const uint32_t *) (a))[0] == htonl (0xfe800000) \
31 && ((__const uint32_t *) (a))[1] == 0 \
32 && ((__const uint32_t *) (a))[2] == 0 \
33 && ((__const uint32_t *) (a))[3] == 0)
34