fumiama/fumidb
1
0
Fork 0
mirror of https://github.com/fumiama/fumidb.git synced 2026-06-09 04:30:34 +08:00
Code Activity

半完成bucket

Browse Source
This commit is contained in:
源文雨
2022-10-09 00:49:35 +08:00
parent 18513f6e6f
commit 2dd269b364
4 changed files with 153 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/binary.h
View File

@@ -5,6 +5,10 @@
#include <stdint.h>
#include <stdlib.h>
#ifndef __null
# define __null 0
#endif
#ifdef __linux__
# include <endian.h>
#endif

26
include/types/int32.h Normal file
View File

@@ -0,0 +1,26 @@
#ifndef _TYPE_INT32_H_
#define _TYPE_INT32_H_
#include <stdint.h>
#include "../types.h"
#define INT32_BUCKET_SZ (256)
#define INT32_INDEX_SZ ((INT32_BUCKET_SZ+1)*(PAGESZ+8))
// len(buf) >= INT32_INDEX_SZ = (PAGESZ+8)*(256+1) = 4104*257 = 1054728 (1M)
// 256个哈希桶, 多出来一个是机动空间, 用于加载溢出桶
void* create_int32_index(int fd, void* buf);
void* load_int32_index(int fd, uint64_t ptr, void* buf);
int remove_int32_index(int fd, void* index);
uint64_t count_int32_items(int fd, void* index);
int insert_int32_item(int fd, void* index, key_t k, uint64_t ptr);
uint64_t find_item_by_int32_key(int fd, void* index, key_t k);
uint64_t remove_item_by_int32_key(int fd, void* index, key_t k);
#endif