mirror of
https://github.com/fumiama/fumidb.git
synced 2026-06-05 16:50:33 +08:00
28 lines
784 B
C
28 lines
784 B
C
#ifndef _TYPE_INT64_H_
|
|
#define _TYPE_INT64_H_
|
|
|
|
#include <stdint.h>
|
|
#include "../types.h"
|
|
|
|
#define INT64_BUCKET_SZ (1024ull)
|
|
#define INT64_BUCKET_MAX_ITEM_SZ (255ull)
|
|
#define INT64_INDEX_SZ ((INT64_BUCKET_SZ+2)*(PAGESZ+8))
|
|
#define INT64_DIGEST_FACTOR (18446744073709551557ull)
|
|
|
|
// len(buf) >= INT64_INDEX_SZ
|
|
// 1024个哈希桶, 多出来2个是机动空间, 用于加载溢出桶
|
|
void* create_int64_index(int fd, void* buf);
|
|
|
|
void* load_int64_index(int fd, uint64_t ptr, void* buf);
|
|
|
|
int remove_int64_index(int fd, void* index);
|
|
|
|
uint64_t count_int64_items(int fd, void* index);
|
|
|
|
int insert_int64_item(int fd, void* index, key_t k, uint64_t ptr);
|
|
|
|
uint64_t find_item_by_int64_key(int fd, void* index, key_t k);
|
|
|
|
uint64_t remove_item_by_int64_key(int fd, void* index, key_t k);
|
|
|
|
#endif |