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