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38cc00cd82
* table.c: general type safety and compiler help: * maskbit[]: become const * route_node_match(): take const args * route_node_match_ipv4(): idem * route_node_match_ipv6(): idem * check_bit(): idem, plus adjust local vars typing
79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
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* Routing Table
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* Copyright (C) 1998 Kunihiro Ishiguro
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _ZEBRA_TABLE_H
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#define _ZEBRA_TABLE_H
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/* Routing table top structure. */
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struct route_table
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{
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struct route_node *top;
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};
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/* Each routing entry. */
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struct route_node
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{
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/* Actual prefix of this radix. */
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struct prefix p;
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/* Tree link. */
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struct route_table *table;
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struct route_node *parent;
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struct route_node *link[2];
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#define l_left link[0]
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#define l_right link[1]
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/* Lock of this radix */
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unsigned int lock;
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/* Each node of route. */
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void *info;
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/* Aggregation. */
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void *aggregate;
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};
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/* Prototypes. */
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extern struct route_table *route_table_init (void);
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extern void route_table_finish (struct route_table *);
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extern void route_unlock_node (struct route_node *node);
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extern void route_node_delete (struct route_node *node);
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extern struct route_node *route_top (struct route_table *);
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extern struct route_node *route_next (struct route_node *);
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extern struct route_node *route_next_until (struct route_node *,
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struct route_node *);
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extern struct route_node *route_node_get (struct route_table *,
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struct prefix *);
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extern struct route_node *route_node_lookup (struct route_table *,
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struct prefix *);
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extern struct route_node *route_lock_node (struct route_node *node);
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extern struct route_node *route_node_match (const struct route_table *,
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const struct prefix *);
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extern struct route_node *route_node_match_ipv4 (const struct route_table *,
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const struct in_addr *);
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#ifdef HAVE_IPV6
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extern struct route_node *route_node_match_ipv6 (const struct route_table *,
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const struct in6_addr *);
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#endif /* HAVE_IPV6 */
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#endif /* _ZEBRA_TABLE_H */
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