generic map iterator interface
[nbds] / include / hashtable.h
1 #ifndef HASHTABLE_H
2 #define HASHTABLE_H
3
4 #include "map.h"
5
6 typedef struct ht hashtable_t;
7 typedef struct ht_iter ht_iter_t;
8
9 hashtable_t * ht_alloc (const datatype_t *key_type);
10 uint64_t ht_cas    (hashtable_t *ht, void *key, uint64_t expected_val, uint64_t val);
11 uint64_t ht_get    (hashtable_t *ht, void *key);
12 uint64_t ht_remove (hashtable_t *ht, void *key);
13 uint64_t ht_count  (hashtable_t *ht);
14 void     ht_print  (hashtable_t *ht);
15 void     ht_free   (hashtable_t *ht);
16
17 ht_iter_t * ht_iter_begin (hashtable_t *ht, void *key);
18 uint64_t    ht_iter_next  (ht_iter_t *iter, void **key_ptr);
19 void        ht_iter_free  (ht_iter_t *iter);
20
21 static const map_impl_t ht_map_impl = { 
22     (map_alloc_t)ht_alloc, (map_cas_t)ht_cas, (map_get_t)ht_get, (map_remove_t)ht_remove, 
23     (map_count_t)ht_count, (map_print_t)ht_print, (map_free_t)ht_free, (map_iter_begin_t)ht_iter_begin,
24     (map_iter_next_t)ht_iter_next, (map_iter_free_t)ht_iter_free
25 };
26
27 #endif//HASHTABLE_H