path: root/db2/include/db.h.src

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1996, 1997, 1998
 *	Sleepycat Software.  All rights reserved.
 *
 *	@(#)db.h.src	10.131 (Sleepycat) 6/2/98
 */

#ifndef _DB_H_
#define	_DB_H_

#ifndef __NO_SYSTEM_INCLUDES
#include <sys/types.h>

#include <stdio.h>
#endif

/*
 * XXX
 * MacOS: ensure that Metrowerks C makes enumeration types int sized.
 */
#ifdef __MWERKS__
#pragma enumsalwaysint on
#endif

/*
 * XXX
 * Handle function prototypes and the keyword "const".  This steps on name
 * space that DB doesn't control, but all of the other solutions are worse.
 *
 * XXX
 * While Microsoft's compiler is ANSI C compliant, it doesn't have _STDC_
 * defined by default, you specify a command line flag or #pragma to turn
 * it on.  Don't do that, however, because some of Microsoft's own header
 * files won't compile.
 */
#undef	__P
#if defined(__STDC__) || defined(__cplusplus) || defined(_MSC_VER)
#define	__P(protos)	protos		/* ANSI C prototypes */
#else
#define	const
#define	__P(protos)	()		/* K&R C preprocessor */
#endif

/*
 * !!!
 * DB needs basic information about specifically sized types.  If they're
 * not provided by the system, typedef them here.
 *
 * We protect them against multiple inclusion using __BIT_TYPES_DEFINED__,
 * as does BIND and Kerberos, since we don't know for sure what #include
 * files the user is using.
 *
 * !!!
 * We also provide the standard u_int, u_long etc., if they're not provided
 * by the system.
 */
#ifndef	__BIT_TYPES_DEFINED__
#define	__BIT_TYPES_DEFINED__
@u_int8_decl@
@int16_decl@
@u_int16_decl@
@int32_decl@
@u_int32_decl@
#endif

@u_char_decl@
@u_short_decl@
@u_int_decl@
@u_long_decl@

#define	DB_VERSION_MAJOR	2
#define	DB_VERSION_MINOR	4
#define	DB_VERSION_PATCH	14
#define	DB_VERSION_STRING	"Sleepycat Software: DB 2.4.14: (6/2/98)"

typedef	u_int32_t	db_pgno_t;	/* Page number type. */
typedef	u_int16_t	db_indx_t;	/* Page offset type. */
#define	DB_MAX_PAGES	0xffffffff	/* >= # of pages in a file */

typedef	u_int32_t	db_recno_t;	/* Record number type. */
typedef size_t		DB_LOCK;	/* Object returned by lock manager. */
#define	DB_MAX_RECORDS	0xffffffff	/* >= # of records in a tree */

#define	DB_FILE_ID_LEN		20	/* DB file ID length. */

/* Forward structure declarations, so applications get type checking. */
struct __db;		typedef struct __db DB;
#ifdef DB_DBM_HSEARCH
			typedef struct __db DBM;
#endif
struct __db_bt_stat;	typedef struct __db_bt_stat DB_BTREE_STAT;
struct __db_dbt;	typedef struct __db_dbt DBT;
struct __db_env;	typedef struct __db_env DB_ENV;
struct __db_info;	typedef struct __db_info DB_INFO;
struct __db_lock_stat;	typedef struct __db_lock_stat DB_LOCK_STAT;
struct __db_lockregion;	typedef struct __db_lockregion DB_LOCKREGION;
struct __db_lockreq;	typedef struct __db_lockreq DB_LOCKREQ;
struct __db_locktab;	typedef struct __db_locktab DB_LOCKTAB;
struct __db_log;	typedef struct __db_log DB_LOG;
struct __db_log_stat;	typedef struct __db_log_stat DB_LOG_STAT;
struct __db_lsn;	typedef struct __db_lsn DB_LSN;
struct __db_mpool;	typedef struct __db_mpool DB_MPOOL;
struct __db_mpool_finfo;typedef struct __db_mpool_finfo DB_MPOOL_FINFO;
struct __db_mpool_fstat;typedef struct __db_mpool_fstat DB_MPOOL_FSTAT;
struct __db_mpool_stat;	typedef struct __db_mpool_stat DB_MPOOL_STAT;
struct __db_mpoolfile;	typedef struct __db_mpoolfile DB_MPOOLFILE;
struct __db_txn;	typedef s