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VegOwOtenks 2024-06-13 15:28:21 +02:00
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/*
* This code is part of the strategy game operational-space.
* operational-space comes with ABSOLUTELY NO WARRANTY and is licensed under GPL-2.0.
* Copyright (C) 2024 VegOwOtenks, Sleppo04
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef COMMONHASHMAP_H
#define COMMONHASHMAP_H
#include <stdbool.h>
#include <stddef.h>
#include "../siphash/siphash.h"
#include "../allocator-interface/allocator-interface.h"
typedef struct HashMapEntry {
void* key;
size_t key_length;
struct HashMapEntry* next;
char value[];
} hashmapentry_t;
typedef struct HashMapConfig {
double load_factor;
double growth_factor;
size_t value_size;
allocator_t* allocator;
siphashconfig_t siphash_config;
} hashmapconfig_t;
typedef struct HashMap {
size_t capacity;
size_t used;
struct HashMapEntry** buckets;
struct HashMapConfig config;
} hashmap_t;
struct HashMapConfig HashMap_DefaultConfig(void);
int HashMap_Create(hashmap_t* restrict destination, struct HashMapConfig* restrict config, size_t initial_capacity);
void HashMap_Destroy(hashmap_t* restrict hashmap);
int HashMap_Put(hashmap_t* restrict hashmap, const void* key, size_t key_length, void* value);
int HashMap_Remove(hashmap_t* restrict hashmap, const void* restrict key, size_t key_length);
int HashMap_Get(hashmap_t* restrict hashmap, const void* key, size_t key_length, void* value_storage);
int HashMap_Update(hashmap_t* restrict hashmap, const void* key, size_t key_length, void* new_value);
int HashMap_ValueByIndex(hashmap_t* restrict hashmap, size_t index, void* store_here);
int HashMap_EntryByIndex(hashmap_t* restrict hashmap, size_t index, hashmapentry_t** store_here);
size_t HashMap_Size(hashmap_t* restrict hashmap);
#endif /* SRC_COMMON_HASHMAP_HASHMAP_H_ */