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dnsmasq 2.84

    1: /* dnsmasq is Copyright (c) 2000-2021 Simon Kelley
    2: 
    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: