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37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/*
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* Copyright (C) 2001 Sistina Software
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*
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* This file is released under the GPL.
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*/
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#ifndef _LVM_HASH_H
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#define _LVM_HASH_H
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struct hash_table;
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struct hash_node;
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typedef void (*iterate_fn) (void *data);
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struct hash_table *hash_create(unsigned size_hint);
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void hash_destroy(struct hash_table *t);
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void hash_wipe(struct hash_table *t);
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void *hash_lookup(struct hash_table *t, const char *key);
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void *hash_lookup_fixed(struct hash_table *t, const char *key, uint32_t len);
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int hash_insert(struct hash_table *t, const char *key, void *data);
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void hash_remove(struct hash_table *t, const char *key);
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unsigned hash_get_num_entries(struct hash_table *t);
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void hash_iter(struct hash_table *t, iterate_fn f);
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char *hash_get_key(struct hash_table *t, struct hash_node *n);
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void *hash_get_data(struct hash_table *t, struct hash_node *n);
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struct hash_node *hash_get_first(struct hash_table *t);
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struct hash_node *hash_get_next(struct hash_table *t, struct hash_node *n);
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#define hash_iterate(v, h) \
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for (v = hash_get_first(h); v; \
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v = hash_get_next(h, v))
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#endif
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