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34 lines
1.5 KiB
C
34 lines
1.5 KiB
C
/* dnsmasq is Copyright (c) 2000-2025 Simon Kelley
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 dated June, 1991, or
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(at your option) version 3 dated 29 June, 2007.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define IN6_IS_ADDR_ULA(a) \
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((((__const uint32_t *) (a))[0] & htonl (0xff000000)) \
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== htonl (0xfd000000))
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#define IN6_IS_ADDR_ULA_ZERO(a) \
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(((__const uint32_t *) (a))[0] == htonl (0xfd000000) \
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&& ((__const uint32_t *) (a))[1] == 0 \
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&& ((__const uint32_t *) (a))[2] == 0 \
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&& ((__const uint32_t *) (a))[3] == 0)
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#define IN6_IS_ADDR_LINK_LOCAL_ZERO(a) \
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(((__const uint32_t *) (a))[0] == htonl (0xfe800000) \
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&& ((__const uint32_t *) (a))[1] == 0 \
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&& ((__const uint32_t *) (a))[2] == 0 \
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&& ((__const uint32_t *) (a))[3] == 0)
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