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/**************************************************************************
*
* Copyright 2008 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* General purpose hash table.
*
* @author José Fonseca <jfonseca@vmware.com>
*/
#ifndef U_HASH_TABLE_H_
#define U_HASH_TABLE_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "libdrm_macros.h"
/**
* Generic purpose hash table.
*/
struct util_hash_table;
/**
* Create an hash table.
*
* @param hash hash function
* @param compare should return 0 for two equal keys.
*/
drm_private struct util_hash_table *
util_hash_table_create(unsigned (*hash)(void *key),
int (*compare)(void *key1, void *key2));
drm_private void
util_hash_table_set(struct util_hash_table *ht, void *key, void *value);
drm_private void *util_hash_table_get(struct util_hash_table *ht, void *key);
drm_private void util_hash_table_remove(struct util_hash_table *ht, void *key);
drm_private void util_hash_table_clear(struct util_hash_table *ht);
drm_private void util_hash_table_foreach(struct util_hash_table *ht,
void (*callback)(void *key, void *value, void *data),
void *data);
drm_private void util_hash_table_destroy(struct util_hash_table *ht);
#endif /* U_HASH_TABLE_H_ */
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