src/db5_hdr.c File Reference

Source - Database db5, meta-data. More...

#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "check.h"
#include "db5_hdr.h"
#include "db5_types.h"
#include "file.h"
#include "logger.h"

Go to the source code of this file.

Defines
#define	DB5_HDR_COUNT_OFFSET   1040
	Offset in database meta-data file.
Functions
bool	db5_hdr_init ()
	initialize meta-database
bool	db5_hdr_free ()
	free meta-database
uint32_t	db5_hdr_count ()
	get current row count
bool	db5_hdr_grow (const int delta)
	update row number in meta-database

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Detailed Description

Source - Database db5, meta-data.

Author:

Julien Blitte

Version:

0.1

Definition in file db5_hdr.c.

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Function Documentation

uint32_t db5_hdr_count

(

)

get current row count

Returns:

count of row in database

Definition at line 60 of file db5_hdr.c.

References add_log(), and ADDLOG_NOTICE.

Referenced by db5_count(), db5_dat_delete_row(), db5_dat_insert(), db5_dat_select_by_filename(), db5_index_index_column(), and db5_select_filename().

bool db5_hdr_free

(

)

free meta-database

Returns:

true if successfull

Definition at line 53 of file db5_hdr.c.

Referenced by db5_free(), and db5_init().

bool db5_hdr_grow

(

const int

delta

)

update row number in meta-database

Parameters:

delta

the value to add to current count

Returns:

true if successfull

Definition at line 69 of file db5_hdr.c.

References add_log(), ADDLOG_FAIL, and DB5_HDR_COUNT_OFFSET.

Referenced by db5_dat_delete_row(), and db5_dat_insert().

bool db5_hdr_init

(

)

initialize meta-database

Returns:

true if successfull

Definition at line 29 of file db5_hdr.c.

References add_log(), ADDLOG_CRITICAL, CONFIG_DB5_DATA_DIR, CONFIG_DB5_HDR_FILE, DB5_HDR_COUNT_OFFSET, and file_fcaseopen().

Referenced by db5_init().