51 lines
1.6 KiB
C
Executable File
51 lines
1.6 KiB
C
Executable File
/*
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* hashtable.h
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* header file for really simple hash table implementation
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*
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* Copyright (c) 2011-2016 Nikias Bassen, All Rights Reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef HASHTABLE_H
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#define HASHTABLE_H
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#include <stdlib.h>
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typedef struct hashentry_t {
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void *key;
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void *value;
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void *next;
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} hashentry_t;
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typedef unsigned int(*hash_func_t)(const void* key);
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typedef int (*compare_func_t)(const void *a, const void *b);
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typedef void (*free_func_t)(void *ptr);
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typedef struct hashtable_t {
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hashentry_t *entries[4096];
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size_t count;
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hash_func_t hash_func;
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compare_func_t compare_func;
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free_func_t free_func;
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} hashtable_t;
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hashtable_t* hash_table_new(hash_func_t hash_func, compare_func_t compare_func, free_func_t free_func);
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void hash_table_destroy(hashtable_t *ht);
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void hash_table_insert(hashtable_t* ht, void *key, void *value);
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void* hash_table_lookup(hashtable_t* ht, void *key);
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void hash_table_remove(hashtable_t* ht, void *key);
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#endif
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