#include "datatype.h"
typedef struct map map_t;
+typedef struct map_iter map_iter_t;
typedef struct map_impl map_impl_t;
-map_t * map_alloc (const map_impl_t *map_impl, const datatype_t *key_type);
-uint64_t map_get (map_t *map, void *key);
-uint64_t map_set (map_t *map, void *key, uint64_t new_val);
-uint64_t map_add (map_t *map, void *key, uint64_t new_val);
-uint64_t map_cas (map_t *map, void *key, uint64_t expected_val, uint64_t new_val);
-uint64_t map_replace(map_t *map, void *key, uint64_t new_val);
-uint64_t map_remove (map_t *map, void *key);
-uint64_t map_count (map_t *map);
-void map_print (map_t *map);
-void map_free (map_t *map);
+map_t * map_alloc (const map_impl_t *map_impl, const datatype_t *key_type);
+uint64_t map_get (map_t *map, void *key);
+uint64_t map_set (map_t *map, void *key, uint64_t new_val);
+uint64_t map_add (map_t *map, void *key, uint64_t new_val);
+uint64_t map_cas (map_t *map, void *key, uint64_t expected_val, uint64_t new_val);
+uint64_t map_replace (map_t *map, void *key, uint64_t new_val);
+uint64_t map_remove (map_t *map, void *key);
+uint64_t map_count (map_t *map);
+void map_print (map_t *map);
+void map_free (map_t *map);
+
+map_iter_t * map_iter_begin (map_t *map, void *key);
+uint64_t map_iter_next (map_iter_t *iter, void **key);
+void map_iter_free (map_iter_t *iter);
/////////////////////////////////////////////////////////////////////////////////////
#define CAS_EXPECT_WHATEVER (-2)
typedef void * (*map_alloc_t) (const datatype_t *);
-typedef uint64_t (*map_cas_t) (void *, void *, uint64_t, uint64_t);
-typedef uint64_t (*map_get_t) (void *, void *);
-typedef uint64_t (*map_remove_t) (void *, void *);
-typedef uint64_t (*map_count_t) (void *);
-typedef void (*map_print_t) (void *);
-typedef void (*map_free_t) (void *);
+typedef uint64_t (*map_cas_t) (map_impl_t *, void *, uint64_t, uint64_t);
+typedef uint64_t (*map_get_t) (map_impl_t *, void *);
+typedef uint64_t (*map_remove_t) (map_impl_t *, void *);
+typedef uint64_t (*map_count_t) (map_impl_t *);
+typedef void (*map_print_t) (map_impl_t *);
+typedef void (*map_free_t) (map_impl_t *);
+
+typedef map_iter_t * (*map_iter_begin_t) (map_impl_t *, void *);
+typedef uint64_t (*map_iter_next_t) (map_iter_t *, void **);
+typedef void (*map_iter_free_t) (map_iter_t *);
struct map_impl {
map_alloc_t alloc;
map_count_t count;
map_print_t print;
map_free_t free_;
+
+ map_iter_begin_t iter_begin;
+ map_iter_next_t iter_next;
+ map_iter_free_t iter_free;
};
#endif//MAP_H