Files
kernel/include/sys/fs/hash.h
T
2019-10-25 11:20:30 +03:00

35 lines
818 B
C

#pragma once
#include <sys/types.h>
#include <stdint.h>
typedef struct hash_entry {
uint64_t key;
void *value;
struct hash_entry *next;
} hash_entry_t;
typedef struct {
int (*keycmp) (uint64_t, uint64_t);
uint64_t (*keyhsh) (uint64_t);
uint64_t (*keydup) (uint64_t);
void (*keyfree) (uint64_t);
void (*valfree) (void *);
size_t bucket_count;
size_t item_count;
hash_entry_t **buckets;
} hash_t;
void hash_init(hash_t *h, int nb);
void hash_walk(hash_t *h, int (*wlkfn) (hash_entry_t *));
void hash_clear(hash_t *h);
void hash_put(hash_t *h, uint64_t key, void *value);
int hash_del(hash_t *h, uint64_t key);
int hash_get(hash_t *h, uint64_t key, void **value);
// Helper functions
int hash_u64_keycmp(uint64_t v0, uint64_t v1);
uint64_t hash_u64_keyhsh(uint64_t v0);