summaryrefslogtreecommitdiff
path: root/src/ip6addr.h
blob: 6f6dff7e0a21f8f48caafd96af0b88302ebd2069 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
/* dnsmasq is Copyright (c) 2000-2018 Simon Kelley

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 dated June, 1991, or
   (at your option) version 3 dated 29 June, 2007.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
     
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/



#define IN6_IS_ADDR_ULA(a) \
        ((((__const uint32_t *) (a))[0] & htonl (0xff000000))                 \
         == htonl (0xfd000000))

#define IN6_IS_ADDR_ULA_ZERO(a) \
        (((__const uint32_t *) (a))[0] == htonl (0xfd000000)                        \
         && ((__const uint32_t *) (a))[1] == 0                                \
         && ((__const uint32_t *) (a))[2] == 0                                \
         && ((__const uint32_t *) (a))[3] == 0)

#define IN6_IS_ADDR_LINK_LOCAL_ZERO(a) \
        (((__const uint32_t *) (a))[0] == htonl (0xfe800000)                  \
         && ((__const uint32_t *) (a))[1] == 0                                \
         && ((__const uint32_t *) (a))[2] == 0                                \
         && ((__const uint32_t *) (a))[3] == 0)