db.h File Reference

#include <sys/types.h>
#include <limits.h>

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Data Structures
struct	__db
struct	BTREEINFO
struct	DBT
struct	HASHINFO
struct	RECNOINFO

Macros
#define	__BIT_TYPES_DEFINED__
#define	__R_UNUSED   2 /* UNUSED */
#define	BTREEMAGIC   0x053162
#define	BTREEVERSION   3
#define	DB_LOCK   0x2000 /* Do locking. */
#define	DB_SHMEM   0x4000 /* Use shared memory. */
#define	DB_TXN   0x8000 /* Do transactions. */
#define	HASHMAGIC   0x061561
#define	HASHVERSION   2
#define	MAX_PAGE_NUMBER   0xffffffff /* >= # of pages in a file */
#define	MAX_PAGE_OFFSET   65535 /* >= # of bytes in a page */
#define	MAX_REC_NUMBER   0xffffffff /* >= # of records in a tree */
#define	R_CURSOR   1 /* del, put, seq */
#define	R_DUP   0x01 /* duplicate keys */
#define	R_FIRST   3 /* seq */
#define	R_FIXEDLEN   0x01 /* fixed-length records */
#define	R_IAFTER   4 /* put (RECNO) */
#define	R_IBEFORE   5 /* put (RECNO) */
#define	R_LAST   6 /* seq (BTREE, RECNO) */
#define	R_NEXT   7 /* seq */
#define	R_NOKEY   0x02 /* key not required */
#define	R_NOOVERWRITE   8 /* put */
#define	R_PREV   9 /* seq (BTREE, RECNO) */
#define	R_RECNOSYNC   11 /* sync (RECNO) */
#define	R_SETCURSOR   10 /* put (RECNO) */
#define	R_SNAPSHOT   0x04 /* snapshot the input */
#define	RET_ERROR   -1 /* Return values. */
#define	RET_SPECIAL   1
#define	RET_SUCCESS   0

Typedefs
typedef struct __db	DB
typedef u_int16_t	indx_t
typedef short	int16_t
typedef int	int32_t
typedef __signed char	int8_t
typedef u_int32_t	pgno_t
typedef u_int32_t	recno_t
typedef unsigned short	u_int16_t
typedef unsigned int	u_int32_t
typedef unsigned char	u_int8_t

Enumerations
enum	DBTYPE { DB_BTREE, DB_HASH, DB_RECNO }

Functions
__BEGIN_DECLS DB *__dbopen	__P ((const char *, int, int, DBTYPE, const void *))

Macro Definition Documentation

__BIT_TYPES_DEFINED__

#define __BIT_TYPES_DEFINED__

Definition at line 56 of file db.h.

__R_UNUSED

#define __R_UNUSED   2 /* UNUSED */

Definition at line 92 of file db.h.

BTREEMAGIC

#define BTREEMAGIC   0x053162

Definition at line 141 of file db.h.

Referenced by __bt_open(), and bt_meta().

BTREEVERSION

#define BTREEVERSION   3

Definition at line 142 of file db.h.

Referenced by __bt_open(), and bt_meta().

DB_LOCK

#define DB_LOCK   0x2000 /* Do locking. */

Definition at line 123 of file db.h.

Referenced by __bt_open().

DB_SHMEM

#define DB_SHMEM   0x4000 /* Use shared memory. */

Definition at line 124 of file db.h.

Referenced by __bt_open().

DB_TXN

#define DB_TXN   0x8000 /* Do transactions. */

Definition at line 125 of file db.h.

Referenced by __bt_open().

HASHMAGIC

#define HASHMAGIC   0x061561

Definition at line 159 of file db.h.

Referenced by __hash_open(), and flush_meta().

HASHVERSION

#define HASHVERSION   2

Definition at line 160 of file db.h.

Referenced by __hash_open(), and flush_meta().

MAX_PAGE_NUMBER

#define MAX_PAGE_NUMBER   0xffffffff /* >= # of pages in a file */

Definition at line 77 of file db.h.

Referenced by mpool_new().

MAX_PAGE_OFFSET

#define MAX_PAGE_OFFSET   65535 /* >= # of bytes in a page */

Definition at line 79 of file db.h.

Referenced by __bt_open().

MAX_REC_NUMBER

#define MAX_REC_NUMBER   0xffffffff /* >= # of records in a tree */

Definition at line 81 of file db.h.

Referenced by __rec_open(), __rec_seq(), and __rec_sync().

R_CURSOR

#define R_CURSOR   1 /* del, put, seq */

Definition at line 91 of file db.h.

Referenced by __bt_delete(), __bt_put(), __bt_seq(), __bt_seqset(), __rec_delete(), __rec_put(), __rec_seq(), and hash_delete().

R_DUP

#define R_DUP   0x01 /* duplicate keys */

Definition at line 146 of file db.h.

Referenced by __bt_open().

R_FIRST

#define R_FIRST   3 /* seq */

Definition at line 93 of file db.h.

Referenced by __bt_seq(), __bt_seqset(), __rec_seq(), __rec_sync(), convert_bdb_to_sqlite3(), dbm_firstkey(), and hash_seq().

R_FIXEDLEN

#define R_FIXEDLEN   0x01 /* fixed-length records */

Definition at line 175 of file db.h.

Referenced by __rec_open().

R_IAFTER

#define R_IAFTER   4 /* put (RECNO) */

Definition at line 94 of file db.h.

Referenced by __rec_iput(), and __rec_put().

R_IBEFORE

#define R_IBEFORE   5 /* put (RECNO) */

Definition at line 95 of file db.h.

Referenced by __rec_iput(), and __rec_put().

R_LAST

#define R_LAST   6 /* seq (BTREE, RECNO) */

Definition at line 96 of file db.h.

Referenced by __bt_seq(), __bt_seqset(), __rec_seq(), and convert_bdb_to_sqlite3().

R_NEXT

#define R_NEXT   7 /* seq */

Definition at line 97 of file db.h.

Referenced by __bt_seq(), __bt_seqadv(), __bt_seqset(), __rec_seq(), __rec_sync(), convert_bdb_to_sqlite3(), dbm_nextkey(), and hash_seq().

R_NOKEY

#define R_NOKEY   0x02 /* key not required */

Definition at line 176 of file db.h.

Referenced by __rec_open().

R_NOOVERWRITE

#define R_NOOVERWRITE   8 /* put */

Definition at line 98 of file db.h.

Referenced by __bt_put(), __rec_put(), dbm_store(), hash_put(), and hsearch().

R_PREV

#define R_PREV   9 /* seq (BTREE, RECNO) */

Definition at line 99 of file db.h.

Referenced by __bt_seq(), __bt_seqadv(), __bt_seqset(), and __rec_seq().

R_RECNOSYNC

#define R_RECNOSYNC   11 /* sync (RECNO) */

Definition at line 101 of file db.h.

Referenced by __rec_sync().

R_SETCURSOR

#define R_SETCURSOR   10 /* put (RECNO) */

Definition at line 100 of file db.h.

Referenced by __bt_put(), and __rec_put().

R_SNAPSHOT

#define R_SNAPSHOT   0x04 /* snapshot the input */

Definition at line 177 of file db.h.

Referenced by __rec_open().

RET_ERROR

#define RET_ERROR   -1 /* Return values. */

Definition at line 51 of file db.h.

Referenced by __bt_bdelete(), __bt_close(), __bt_cmp(), __bt_curdel(), __bt_delete(), __bt_dleaf(), __bt_first(), __bt_get(), __bt_open(), __bt_pdelete(), __bt_put(), __bt_relink(), __bt_ret(), __bt_seq(), __bt_seqadv(), __bt_seqset(), __bt_split(), __bt_sync(), __ovfl_delete(), __ovfl_get(), __ovfl_put(), __P(), __rec_close(), __rec_delete(), __rec_dleaf(), __rec_fmap(), __rec_fpipe(), __rec_get(), __rec_iput(), __rec_open(), __rec_put(), __rec_ret(), __rec_seq(), __rec_sync(), __rec_vmap(), __rec_vpipe(), bt_broot(), bt_meta(), bt_preserve(), mpool_bkt(), mpool_sync(), mpool_write(), nroot(), and rec_rdelete().

RET_SPECIAL

#define RET_SPECIAL   1

Definition at line 53 of file db.h.

Referenced by __bt_bdelete(), __bt_delete(), __bt_first(), __bt_get(), __bt_put(), __bt_seqadv(), __bt_seqset(), __rec_delete(), __rec_fmap(), __rec_fpipe(), __rec_get(), __rec_put(), __rec_seq(), __rec_vmap(), and __rec_vpipe().

RET_SUCCESS

#define RET_SUCCESS   0

Definition at line 52 of file db.h.

Referenced by __bt_bdelete(), __bt_close(), __bt_curdel(), __bt_delete(), __bt_dleaf(), __bt_first(), __bt_pdelete(), __bt_put(), __bt_ret(), __bt_seq(), __bt_seqadv(), __bt_seqset(), __bt_split(), __bt_sync(), __ovfl_delete(), __ovfl_get(), __ovfl_put(), __rec_close(), __rec_delete(), __rec_dleaf(), __rec_fmap(), __rec_fpipe(), __rec_get(), __rec_iput(), __rec_put(), __rec_ret(), __rec_seq(), __rec_sync(), __rec_vmap(), __rec_vpipe(), bt_broot(), bt_meta(), bt_preserve(), bt_rroot(), mpool_close(), mpool_put(), mpool_sync(), mpool_write(), nroot(), and rec_rdelete().

Typedef Documentation

DB

typedef struct __db DB

indx_t

typedef u_int16_t indx_t

Definition at line 80 of file db.h.

int16_t

typedef short int16_t

Definition at line 59 of file db.h.

int32_t

typedef int int32_t

Definition at line 60 of file db.h.

int8_t

typedef __signed char int8_t

Definition at line 58 of file db.h.

pgno_t

typedef u_int32_t pgno_t

Definition at line 78 of file db.h.

recno_t

typedef u_int32_t recno_t

Definition at line 82 of file db.h.

u_int16_t

typedef unsigned short u_int16_t

Definition at line 62 of file db.h.

u_int32_t

typedef unsigned int u_int32_t

Definition at line 63 of file db.h.

u_int8_t

typedef unsigned char u_int8_t

Definition at line 61 of file db.h.

Enumeration Type Documentation

DBTYPE

enum DBTYPE

Enumerator
DB_BTREE
DB_HASH
DB_RECNO

Definition at line 103 of file db.h.

{ DB_BTREE, DB_HASH, DB_RECNO } DBTYPE;

Function Documentation

__P()

DB *dbopen __P

(

(const char *, int, int, DBTYPE, const void *)

)