HoneyVersion class. More...

#include <config.h>
#include "honey_version.h"
#include "debuglog.h"
#include "fd.h"
#include "honey_defs.h"
#include "io_utils.h"
#include "min_non_zero.h"
#include "omassert.h"
#include "pack.h"
#include "posixy_wrapper.h"
#include "stringutils.h"
#include <cerrno>
#include <cstring>
#include <string>
#include <sys/types.h>
#include "safesysstat.h"
#include "safefcntl.h"
#include "safeunistd.h"
#include "str.h"
#include "backends/uuids.h"
#include "xapian/constants.h"
#include "xapian/error.h"

Include dependency graph for honey_version.cc:

Go to the source code of this file.

Namespaces
	Honey

Macros
#define	HONEY_FORMAT_VERSION DATE_TO_VERSION(2018,4,3)
	Honey format version (date of change): More...

#define	DATE_TO_VERSION(Y, M, D) ((unsigned(Y) - 2014) << 9 \| unsigned(M) << 5 \| unsigned(D))
	Convert date <-> version number. Dates up to 2141-12-31 fit in 2 bytes. More...

#define	VERSION_TO_YEAR(V) ((unsigned(V) >> 9) + 2014)

#define	VERSION_TO_MONTH(V) ((unsigned(V) >> 5) & 0x0f)

#define	VERSION_TO_DAY(V) (unsigned(V) & 0x1f)

#define	HONEY_VERSION_MAGIC_LEN 14

#define	HONEY_VERSION_MAGIC_AND_VERSION_LEN 16

Variables
static const char	HONEY_VERSION_MAGIC [HONEY_VERSION_MAGIC_AND_VERSION_LEN]

const size_t	COMPRESS_MIN = 18

static const uint4	compress_min_tab []

Detailed Description

HoneyVersion class.

Definition in file honey_version.cc.

Macro Definition Documentation

◆ DATE_TO_VERSION

#define DATE_TO_VERSION	(	Y,
		M,
		D
	)	((unsigned(Y) - 2014) << 9 \| unsigned(M) << 5 \| unsigned(D))

Convert date <-> version number. Dates up to 2141-12-31 fit in 2 bytes.

Definition at line 80 of file honey_version.cc.

◆ HONEY_FORMAT_VERSION

#define HONEY_FORMAT_VERSION DATE_TO_VERSION(2018,4,3)

Honey format version (date of change):

Definition at line 54 of file honey_version.cc.

◆ HONEY_VERSION_MAGIC_AND_VERSION_LEN

#define HONEY_VERSION_MAGIC_AND_VERSION_LEN 16

Definition at line 87 of file honey_version.cc.

◆ HONEY_VERSION_MAGIC_LEN

#define HONEY_VERSION_MAGIC_LEN 14

Definition at line 86 of file honey_version.cc.

◆ VERSION_TO_DAY

#define VERSION_TO_DAY ( V ) (unsigned(V) & 0x1f)

Definition at line 84 of file honey_version.cc.

◆ VERSION_TO_MONTH

#define VERSION_TO_MONTH ( V ) ((unsigned(V) >> 5) & 0x0f)

Definition at line 83 of file honey_version.cc.

◆ VERSION_TO_YEAR

#define VERSION_TO_YEAR ( V ) ((unsigned(V) >> 9) + 2014)

Definition at line 82 of file honey_version.cc.

Variable Documentation

◆ COMPRESS_MIN

const size_t COMPRESS_MIN = 18

Definition at line 463 of file honey_version.cc.

Referenced by Honey::RootInfo::unserialise().

◆ compress_min_tab

const uint4 compress_min_tab[]

static

Initial value:

= {
    0, 
    COMPRESS_MIN, 
    COMPRESS_MIN, 
    0, 
    COMPRESS_MIN, 
    COMPRESS_MIN  
}

Definition at line 465 of file honey_version.cc.

Referenced by HoneyVersion::create().

◆ HONEY_VERSION_MAGIC

const char HONEY_VERSION_MAGIC[HONEY_VERSION_MAGIC_AND_VERSION_LEN]