mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-22 17:35:59 +03:00
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/*
|
|
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
|
|
* Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* This file is part of the device-mapper userspace tools.
|
|
*
|
|
* This copyrighted material is made available to anyone wishing to use,
|
|
* modify, copy, or redistribute it subject to the terms and conditions
|
|
* of the GNU General Public License v.2.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#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);
|
|
|
|
void *hash_lookup_binary(struct hash_table *t, const char *key, uint32_t len);
|
|
int hash_insert_binary(struct hash_table *t, const char *key, uint32_t len,
|
|
void *data);
|
|
void hash_remove_binary(struct hash_table *t, const char *key, uint32_t len);
|
|
|
|
unsigned hash_get_num_entries(struct hash_table *t);
|
|
void hash_iter(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);
|
|
|
|
#define hash_iterate(v, h) \
|
|
for (v = hash_get_first(h); v; \
|
|
v = hash_get_next(h, v))
|
|
|
|
#endif
|