inc/db5_index.h File Reference

Header - Database db5, index. More...

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "db5_types.h"
#include "db5_dat.h"

Go to the source code of this file.

Defines
#define	DB5_IDX_CODE_DEV   0x56454440
	index used for test - ascii - not null terminated
#define	DB5_IDX_CODE_FILENAME   0x4d414e46
	filename index - ascii - not null terminated
#define	DB5_IDX_CODE_FILEPATH   0x48545046
	filepath index - ascii - not null terminated
#define	DB5_IDX_CODE_ALBUM   0x424c4154
	album index - ascii - not null terminated
#define	DB5_IDX_CODE_GENRE   0x4e4f4354
	genre index - ascii - not null terminated
#define	DB5_IDX_CODE_TITLE   0x32544954
	title index - ascii - not null terminated
#define	DB5_IDX_CODE_ARTIST   0x31455054
	artist index - ascii - not null terminated
#define	DB5_IDX_CODE_TRACK   0x4b435254
	track index - ascii - not null terminated
#define	DB5_IDX_CODE_SOURCE   0x43525358
	source index - ascii - not null terminated
#define	db5_index_colindex(member, code)   db5_index_index_column(offsetof(db5_row,member),membersizeof(db5_row,member),code)
	index a string column (user friendly)
Functions
bool	db5_index_index_column (const ptrdiff_t reloffset, const size_t size, const uint32_t code)
	index a column (system)

---

Detailed Description

Header - Database db5, index.

Author:

Julien Blitte

Version:

0.1

Definition in file db5_index.h.

---

Define Documentation

#define db5_index_colindex	(	member,
		code		)	db5_index_index_column(offsetof(db5_row,member),membersizeof(db5_row,member),code)

index a string column (user friendly)

Parameters:

	member	element in structure line
	code	index code to generate

Returns:

true if successfull

Definition at line 54 of file db5_index.h.

---

Function Documentation

bool db5_index_index_column	(	const ptrdiff_t	reloffset,
		const size_t	size,
		const uint32_t	code
	)

index a column (system)

Parameters:

	reloffset	element address in structure line
	size	size of element
	code	index code to generate

Returns:

true if successfull

Definition at line 84 of file db5_index.c.

References add_log(), ADDLOG_DEBUG, ADDLOG_FAIL, ADDLOG_NOTICE, byteof, check, CONFIG_DB5_DATA_DIR, CONFIG_DB5_IDX_FILE, crc32(), db5_dat_select_row(), db5_hdr_count(), file_fcaseopen(), index_entry::hidden, membersizeof, index_entry::position, and index_entry::uid.