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lvm2/lib/datastruct/hash.h

33 lines
903 B
C

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