blob: 82f2a57d6963f0ce0746dc3088fcedf74263f7a9 [file] [log] [blame]
/* dnsmasq is Copyright (c) 2000-2017 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)