db185_int.h
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- /*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1997, 1998, 1999, 2000
- * Sleepycat Software. All rights reserved.
- */
- /*
- * Copyright (c) 1990, 1993, 1994, 1995, 1996
- * Keith Bostic. All rights reserved.
- */
- /*
- * Copyright (c) 1990, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $Id: db185_int.h,v 11.7 2001/01/22 22:22:46 krinsky Exp $
- */
- #ifndef _DB185_H_
- #define _DB185_H_
- /* Routine flags. */
- #define R_CURSOR 1 /* del, put, seq */
- #define __R_UNUSED 2 /* UNUSED */
- #define R_FIRST 3 /* seq */
- #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_NOOVERWRITE 8 /* put */
- #define R_PREV 9 /* seq (BTREE, RECNO) */
- #define R_SETCURSOR 10 /* put (RECNO) */
- #define R_RECNOSYNC 11 /* sync (RECNO) */
- typedef struct {
- void *data; /* data */
- size_t size; /* data length */
- } DBT185;
- /* Access method description structure. */
- typedef struct __db185 {
- DBTYPE type; /* Underlying db type. */
- int (*close) __P((struct __db185 *));
- int (*del) __P((const struct __db185 *, const DBT185 *, u_int));
- int (*get)
- __P((const struct __db185 *, const DBT185 *, DBT185 *, u_int));
- int (*put)
- __P((const struct __db185 *, DBT185 *, const DBT185 *, u_int));
- int (*seq)
- __P((const struct __db185 *, DBT185 *, DBT185 *, u_int));
- int (*sync) __P((const struct __db185 *, u_int));
- DB *dbp; /* DB structure. Was void *internal. */
- int (*fd) __P((const struct __db185 *));
- /*
- * !!!
- * The following elements added to the end of the DB 1.85 DB
- * structure.
- */
- DBC *dbc; /* DB cursor. */
- /* Various callback functions. */
- int (*compare) __P((const DBT *, const DBT *));
- size_t (*prefix) __P((const DBT *, const DBT *));
- u_int32_t (*hash) __P((const void *, size_t));
- } DB185;
- /* Structure used to pass parameters to the btree routines. */
- typedef struct {
- #define R_DUP 0x01 /* duplicate keys */
- u_int32_t flags;
- u_int32_t cachesize; /* bytes to cache */
- u_int32_t maxkeypage; /* maximum keys per page */
- u_int32_t minkeypage; /* minimum keys per page */
- u_int32_t psize; /* page size */
- int (*compare) /* comparison function */
- __P((const DBT *, const DBT *));
- size_t (*prefix) /* prefix function */
- __P((const DBT *, const DBT *));
- int lorder; /* byte order */
- } BTREEINFO;
- /* Structure used to pass parameters to the hashing routines. */
- typedef struct {
- u_int32_t bsize; /* bucket size */
- u_int32_t ffactor; /* fill factor */
- u_int32_t nelem; /* number of elements */
- u_int32_t cachesize; /* bytes to cache */
- u_int32_t /* hash function */
- (*hash) __P((const void *, size_t));
- int lorder; /* byte order */
- } HASHINFO;
- /* Structure used to pass parameters to the record routines. */
- typedef struct {
- #define R_FIXEDLEN 0x01 /* fixed-length records */
- #define R_NOKEY 0x02 /* key not required */
- #define R_SNAPSHOT 0x04 /* snapshot the input */
- u_int32_t flags;
- u_int32_t cachesize; /* bytes to cache */
- u_int32_t psize; /* page size */
- int lorder; /* byte order */
- size_t reclen; /* record length (fixed-length records) */
- u_char bval; /* delimiting byte (variable-length records */
- char *bfname; /* btree file name */
- } RECNOINFO;
- #endif /* !_DB185_H_ */