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Diffstat (limited to 'newlib/libc/search/db_local.h')
| -rw-r--r-- | newlib/libc/search/db_local.h | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/newlib/libc/search/db_local.h b/newlib/libc/search/db_local.h deleted file mode 100644 index 53f9d17ff..000000000 --- a/newlib/libc/search/db_local.h +++ /dev/null @@ -1,218 +0,0 @@ -/*- - * 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. - * - * @(#)db.h 8.7 (Berkeley) 6/16/94 - * $FreeBSD: src/include/db.h,v 1.5 2002/03/26 01:35:05 bde Exp $ - */ - -#ifndef _DB_H_ -#define _DB_H_ - -#include <sys/types.h> -#include <sys/cdefs.h> -#include <sys/config.h> - -#include <limits.h> - -#define RET_ERROR -1 /* Return values. */ -#define RET_SUCCESS 0 -#define RET_SPECIAL 1 - -#define MAX_PAGE_NUMBER 0xffffffff /* >= # of pages in a file */ -typedef __uint32_t pgno_t; -#define MAX_PAGE_OFFSET 65535 /* >= # of bytes in a page */ -typedef __uint16_t indx_t; -#define MAX_REC_NUMBER 0xffffffff /* >= # of records in a tree */ -typedef __uint32_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; - -/* - * !!! - * The following flags are included in the dbopen(3) call as part of the - * open(2) flags. In order to avoid conflicts with the open flags, start - * at the top of the 16 or 32-bit number space and work our way down. If - * the open flags were significantly expanded in the future, it could be - * a problem. Wish I'd left another flags word in the dbopen call. - * - * !!! - * None of this stuff is implemented yet. The only reason that it's here - * is so that the access methods can skip copying the key/data pair when - * the DB_LOCK flag isn't set. - */ -#if UINT_MAX > 65535 -#define DB_LOCK 0x20000000 /* Do locking. */ -#define DB_SHMEM 0x40000000 /* Use shared memory. */ -#define DB_TXN 0x80000000 /* Do transactions. */ -#else -#define DB_LOCK 0x2000 /* Do locking. */ -#define DB_SHMEM 0x4000 /* Use shared memory. */ -#define DB_TXN 0x8000 /* Do transactions. */ -#endif - -/* Access method description structure. */ -typedef struct __db { - DBTYPE type; /* Underlying db type. */ - int (*close)(struct __db *); - int (*del)(const struct __db *, const DBT *, u_int); - int (*get)(const struct __db *, const DBT *, DBT *, u_int); - int (*put)(const struct __db *, DBT *, const DBT *, u_int); - int (*seq)(const struct __db *, DBT *, DBT *, u_int); - int (*sync)(const struct __db *, u_int); - void *internal; /* Access method private. */ - int (*fd)(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_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 */ - (const DBT *, const DBT *); - size_t (*prefix) /* prefix function */ - (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_int bsize; /* bucket size */ - u_int ffactor; /* fill factor */ - u_int nelem; /* number of elements */ - u_int cachesize; /* bytes to cache */ - __uint32_t /* hash function */ - (*hash)(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; - -/* - * Little endian <==> big endian 32-bit swap macros. - * M_32_SWAP swap a memory location - * P_32_SWAP swap a referenced memory location - * P_32_COPY swap from one location to another - */ -#define M_32_SWAP(a) { \ - __uint32_t _tmp = a; \ - ((char *)&a)[0] = ((char *)&_tmp)[3]; \ - ((char *)&a)[1] = ((char *)&_tmp)[2]; \ - ((char *)&a)[2] = ((char *)&_tmp)[1]; \ - ((char *)&a)[3] = ((char *)&_tmp)[0]; \ -} -#define P_32_SWAP(a) { \ - __uint32_t _tmp = *(__uint32_t *)a; \ - ((char *)a)[0] = ((char *)&_tmp)[3]; \ - ((char *)a)[1] = ((char *)&_tmp)[2]; \ - ((char *)a)[2] = ((char *)&_tmp)[1]; \ - ((char *)a)[3] = ((char *)&_tmp)[0]; \ -} -#define P_32_COPY(a, b) { \ - ((char *)&(b))[0] = ((char *)&(a))[3]; \ - ((char *)&(b))[1] = ((char *)&(a))[2]; \ - ((char *)&(b))[2] = ((char *)&(a))[1]; \ - ((char *)&(b))[3] = ((char *)&(a))[0]; \ -} - -/* - * Little endian <==> big endian 16-bit swap macros. - * M_16_SWAP swap a memory location - * P_16_SWAP swap a referenced memory location - * P_16_COPY swap from one location to another - */ -#define M_16_SWAP(a) { \ - __uint16_t _tmp = a; \ - ((char *)&a)[0] = ((char *)&_tmp)[1]; \ - ((char *)&a)[1] = ((char *)&_tmp)[0]; \ -} -#define P_16_SWAP(a) { \ - __uint16_t _tmp = *(__uint16_t *)a; \ - ((char *)a)[0] = ((char *)&_tmp)[1]; \ - ((char *)a)[1] = ((char *)&_tmp)[0]; \ -} -#define P_16_COPY(a, b) { \ - ((char *)&(b))[0] = ((char *)&(a))[1]; \ - ((char *)&(b))[1] = ((char *)&(a))[0]; \ -} - -__BEGIN_DECLS -DB *dbopen(const char *, int, int, DBTYPE, const void *); - -#ifdef __DBINTERFACE_PRIVATE -DB *__bt_open(const char *, int, int, const BTREEINFO *, int); -DB *__hash_open(const char *, int, int, const HASHINFO *, int); -DB *__rec_open(const char *, int, int, const RECNOINFO *, int); -void __dbpanic(DB *dbp); -#endif -__END_DECLS -#endif /* !_DB_H_ */ |