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db_185.h
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/usr/include/db4/db_185.h
(6010B)
/*- * See the file LICENSE for redistribution information. * * Copyright (c) 1996,2008 Oracle. 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: db_185.in,v 12.8 2008/01/08 20:58:17 bostic Exp $ */ #ifndef _DB_185_H_ #define _DB_185_H_ #include <sys/types.h> #include <limits.h> #if defined(__cplusplus) extern "C" { #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. */ #undef __P #if defined(__STDC__) || defined(__cplusplus) #define __P(protos) protos /* ANSI C prototypes */ #else #define const #define __P(protos) () /* K&R C preprocessor */ #endif #define RET_ERROR -1 /* Return values. */ #define RET_SUCCESS 0 #define RET_SPECIAL 1 #ifndef __BIT_TYPES_DEFINED__ #define __BIT_TYPES_DEFINED__ #endif /* * XXX * SGI/IRIX already has a pgno_t. */ #ifdef __sgi #define pgno_t db_pgno_t #endif #define MAX_PAGE_NUMBER 0xffffffff /* >= # of pages in a file */ typedef u_int32_t pgno_t; #define MAX_PAGE_OFFSET 65535 /* >= # of bytes in a page */ typedef u_int16_t indx_t; #define MAX_REC_NUMBER 0xffffffff /* >= # of records in a tree */ typedef u_int32_t recno_t; /* Key/data structure -- a Data-Base Thang. */ typedef struct { void *data; /* data */ size_t size; /* data length */ } DBT; /* 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 enum { DB_BTREE, DB_HASH, DB_RECNO } DBTYPE; /* Access method description structure. */ typedef struct __db { DBTYPE type; /* Underlying db type. */ int (*close) __P((struct __db *)); int (*del) __P((const struct __db *, const DBT *, u_int)); int (*get) __P((const struct __db *, const DBT *, DBT *, u_int)); int (*put) __P((const struct __db *, DBT *, const DBT *, u_int)); int (*seq) __P((const struct __db *, DBT *, DBT *, u_int)); int (*sync) __P((const struct __db *, u_int)); void *internal; /* Access method private. */ int (*fd) __P((const struct __db *)); } DB; #define BTREEMAGIC 0x053162 #define BTREEVERSION 3 /* 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; #define HASHMAGIC 0x061561 #define HASHVERSION 2 /* 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; /* Re-define the user's dbopen calls. */ #define dbopen __db185_open #if defined(__cplusplus) } #endif #endif /* !_DB_185_H_ */ /* DO NOT EDIT: automatically built by dist/s_include. */ #ifndef _DB_EXT_185_PROT_IN_ #define _DB_EXT_185_PROT_IN_ #if defined(__cplusplus) extern "C" { #endif #ifdef _DB185_INT_H_ DB185 *__db185_open __P((const char *, int, int, DBTYPE, const void *)); #else DB *__db185_open __P((const char *, int, int, DBTYPE, const void *)); #endif #if defined(__cplusplus) } #endif #endif /* !_DB_EXT_185_PROT_IN_ */
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