summary refs log tree commit diff
path: root/db2/db185/db185_int.h
blob: 656dfddf7858ea4c0b12b752e96ab0b68a3d42da (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1997
 *	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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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.
 *
 *	@(#)db185_int.h	8.4 (Sleepycat) 7/27/97
 */

#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));
	void *internal;			/* Access method private. */
	int (*fd)	__P((const struct __db185 *));

	/*
	 * !!!
	 * Added to the end of the DB 1.85 DB structure, it's needed to
	 * hold the DB 2.0 cursor used for DB 1.85 sequential operations.
	 */
	DBC *dbc;			/* DB 1.85 sequential cursor. */
} DB185;

/* Structure used to pass parameters to the btree routines. */
typedef struct {
#define	R_DUP		0x01	/* duplicate keys */
	u_long	flags;
	u_int	cachesize;	/* bytes to cache */
	int	maxkeypage;	/* maximum keys per page */
	int	minkeypage;	/* minimum keys per page */
	u_int	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_int	bsize;		/* bucket size */
	u_int	ffactor;	/* fill factor */
	u_int	nelem;		/* number of elements */
	u_int	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_long	flags;
	u_int	cachesize;	/* bytes to cache */
	u_int	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;

#if defined(__cplusplus)
extern "C" {
#endif
DB185 *dbopen __P((const char *, int, int, DBTYPE, const void *));
#if defined(__cplusplus)
};
#endif
#endif /* !_DB185_H_ */