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72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/* Hash routine.
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Copyright (C) 1998 Kunihiro Ishiguro
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This file is part of GNU Zebra.
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GNU Zebra 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
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by the Free Software Foundation; either version 2, or (at your
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option) any later version.
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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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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
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _ZEBRA_HASH_H
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#define _ZEBRA_HASH_H
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/* Default hash table size. */
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#define HASHTABSIZE 1024
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struct hash_backet
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{
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/* Linked list. */
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struct hash_backet *next;
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/* Hash key. */
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unsigned int key;
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/* Data. */
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void *data;
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};
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struct hash
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{
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/* Hash backet. */
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struct hash_backet **index;
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/* Hash table size. */
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unsigned int size;
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/* Key make function. */
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unsigned int (*hash_key) ();
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/* Data compare function. */
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int (*hash_cmp) ();
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/* Backet alloc. */
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unsigned long count;
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};
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struct hash *hash_create (unsigned int (*) (), int (*) ());
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struct hash *hash_create_size (unsigned int, unsigned int (*) (), int (*) ());
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void *hash_get (struct hash *, void *, void * (*) ());
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void *hash_alloc_intern (void *);
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void *hash_lookup (struct hash *, void *);
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void *hash_release (struct hash *, void *);
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void hash_iterate (struct hash *,
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void (*) (struct hash_backet *, void *), void *);
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void hash_clean (struct hash *, void (*) (void *));
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void hash_free (struct hash *);
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#endif /* _ZEBRA_HASH_H */
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