HashMap/hashmap.h at main · ethana56/HashMap · GitHub

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#ifndef HASHMAP_H
#define HASHMAP_H

#include <stdlib.h>
#include <stdbool.h>

typedef struct hashmap HashMap;
typedef struct hashmap_iterator HashMapIterator;

struct hashmap_allocator {
    void *(*alloc)(size_t);
    void (*free)(void *);
};

struct hashmap_config {
    struct hashmap_allocator allocator;
    unsigned long long (*get_hash)(void *);
    int (*compare)(void *, void *);
    void (*free_key)(void *);
    size_t *sizes;
    size_t num_sizes;
    size_t element_size;
    double load_factor;
    bool copy_elements;
};

HashMap *hashmap_new(struct hashmap_config *);
void hashmap_free(HashMap *);
void *hashmap_get(HashMap *, void *key);
int hashmap_set(HashMap *, void *key);
void hashmap_remove(HashMap *, void *key);
void *hashmap_to_list(HashMap *, size_t *);
HashMapIterator *hashmap_get_iterator(HashMap *);
HashMapIterator *hashmap_to_iterator(HashMap *);
void hashmap_iterator_free(HashMapIterator *);
void *hashmap_iterator_next(HashMapIterator *);

#endif