clean up import
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cgd
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af5acb8048
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ff937b6ef0
102
include/db.h
102
include/db.h
@ -1,5 +1,5 @@
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/*-
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* Copyright (c) 1990, 1993
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* Copyright (c) 1990, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -30,8 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)db.h 8.3 (Berkeley) 10/12/93
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* $Id: db.h,v 1.11 1993/10/20 07:25:53 cgd Exp $
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* @(#)db.h 8.7 (Berkeley) 6/16/94
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*/
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#ifndef _DB_H_
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@ -46,12 +45,26 @@
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#define RET_SUCCESS 0
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#define RET_SPECIAL 1
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#define MAX_PAGE_NUMBER ULONG_MAX /* >= # of pages in a file */
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typedef u_long pgno_t;
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#define MAX_PAGE_OFFSET USHRT_MAX /* >= # of bytes in a page */
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typedef u_short indx_t;
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#define MAX_REC_NUMBER ULONG_MAX /* >= # of records in a tree */
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typedef u_long recno_t;
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#ifndef __BIT_TYPES_DEFINED__
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#define __BIT_TYPES_DEFINED__
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typedef __signed char int8_t;
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typedef unsigned char u_int8_t;
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typedef short int16_t;
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typedef unsigned short u_int16_t;
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typedef int int32_t;
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typedef unsigned int u_int32_t;
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#ifdef WE_DONT_NEED_QUADS
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typedef long long int64_t;
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typedef unsigned long long u_int64_t;
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#endif
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#endif
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#define MAX_PAGE_NUMBER 0xffffffff /* >= # of pages in a file */
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typedef u_int32_t pgno_t;
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#define MAX_PAGE_OFFSET 65535 /* >= # of bytes in a page */
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typedef u_int16_t indx_t;
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#define MAX_REC_NUMBER 0xffffffff /* >= # of records in a tree */
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typedef u_int32_t recno_t;
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/* Key/data structure -- a Data-Base Thang. */
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typedef struct {
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@ -92,9 +105,9 @@ typedef enum { DB_BTREE, DB_HASH, DB_RECNO } DBTYPE;
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#define DB_SHMEM 0x40000000 /* Use shared memory. */
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#define DB_TXN 0x80000000 /* Do transactions. */
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#else
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#define DB_LOCK 0x00002000 /* Do locking. */
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#define DB_SHMEM 0x00004000 /* Use shared memory. */
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#define DB_TXN 0x00008000 /* Do transactions. */
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#define DB_LOCK 0x2000 /* Do locking. */
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#define DB_SHMEM 0x4000 /* Use shared memory. */
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#define DB_TXN 0x8000 /* Do transactions. */
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#endif
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/* Access method description structure. */
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@ -117,13 +130,14 @@ typedef struct __db {
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typedef struct {
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#define R_DUP 0x01 /* duplicate keys */
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u_long flags;
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int cachesize; /* bytes to cache */
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u_int cachesize; /* bytes to cache */
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int maxkeypage; /* maximum keys per page */
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int minkeypage; /* minimum keys per page */
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int psize; /* page size */
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/* comparison, prefix functions */
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int (*compare) __P((const DBT *, const DBT *));
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int (*prefix) __P((const DBT *, const DBT *));
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u_int psize; /* page size */
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int (*compare) /* comparison function */
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__P((const DBT *, const DBT *));
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size_t (*prefix) /* prefix function */
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__P((const DBT *, const DBT *));
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int lorder; /* byte order */
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} BTREEINFO;
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@ -132,12 +146,12 @@ typedef struct {
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/* Structure used to pass parameters to the hashing routines. */
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typedef struct {
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int bsize; /* bucket size */
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int ffactor; /* fill factor */
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int nelem; /* number of elements */
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int cachesize; /* bytes to cache */
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/* hash function */
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int (*hash) __P((const void *, size_t));
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u_int bsize; /* bucket size */
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u_int ffactor; /* fill factor */
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u_int nelem; /* number of elements */
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u_int cachesize; /* bytes to cache */
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u_int32_t /* hash function */
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(*hash) __P((const void *, size_t));
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int lorder; /* byte order */
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} HASHINFO;
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@ -147,35 +161,36 @@ typedef struct {
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#define R_NOKEY 0x02 /* key not required */
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#define R_SNAPSHOT 0x04 /* snapshot the input */
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u_long flags;
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int cachesize; /* bytes to cache */
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int psize; /* page size */
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u_int cachesize; /* bytes to cache */
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u_int psize; /* page size */
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int lorder; /* byte order */
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size_t reclen; /* record length (fixed-length records) */
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u_char bval; /* delimiting byte (variable-length records */
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char *bfname; /* btree file name */
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} RECNOINFO;
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#ifdef __DBINTERFACE_PRIVATE
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/*
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* Little endian <==> big endian long swap macros.
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* BLSWAP swap a memory location
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* BLPSWAP swap a referenced memory location
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* BLSWAP_COPY swap from one location to another
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* Little endian <==> big endian 32-bit swap macros.
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* M_32_SWAP swap a memory location
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* P_32_SWAP swap a referenced memory location
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* P_32_COPY swap from one location to another
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*/
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#define BLSWAP(a) { \
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u_long _tmp = a; \
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#define M_32_SWAP(a) { \
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u_int32_t _tmp = a; \
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((char *)&a)[0] = ((char *)&_tmp)[3]; \
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((char *)&a)[1] = ((char *)&_tmp)[2]; \
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((char *)&a)[2] = ((char *)&_tmp)[1]; \
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((char *)&a)[3] = ((char *)&_tmp)[0]; \
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}
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#define BLPSWAP(a) { \
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u_long _tmp = *(u_long *)a; \
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#define P_32_SWAP(a) { \
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u_int32_t _tmp = *(u_int32_t *)a; \
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((char *)a)[0] = ((char *)&_tmp)[3]; \
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((char *)a)[1] = ((char *)&_tmp)[2]; \
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((char *)a)[2] = ((char *)&_tmp)[1]; \
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((char *)a)[3] = ((char *)&_tmp)[0]; \
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}
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#define BLSWAP_COPY(a, b) { \
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#define P_32_COPY(a, b) { \
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((char *)&(b))[0] = ((char *)&(a))[3]; \
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((char *)&(b))[1] = ((char *)&(a))[2]; \
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((char *)&(b))[2] = ((char *)&(a))[1]; \
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@ -183,25 +198,26 @@ typedef struct {
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}
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/*
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* Little endian <==> big endian short swap macros.
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* BSSWAP swap a memory location
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* BSPSWAP swap a referenced memory location
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* BSSWAP_COPY swap from one location to another
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* Little endian <==> big endian 16-bit swap macros.
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* M_16_SWAP swap a memory location
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* P_16_SWAP swap a referenced memory location
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* P_16_COPY swap from one location to another
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*/
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#define BSSWAP(a) { \
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u_short _tmp = a; \
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#define M_16_SWAP(a) { \
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u_int16_t _tmp = a; \
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((char *)&a)[0] = ((char *)&_tmp)[1]; \
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((char *)&a)[1] = ((char *)&_tmp)[0]; \
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}
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#define BSPSWAP(a) { \
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u_short _tmp = *(u_short *)a; \
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#define P_16_SWAP(a) { \
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u_int16_t _tmp = *(u_int16_t *)a; \
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((char *)a)[0] = ((char *)&_tmp)[1]; \
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((char *)a)[1] = ((char *)&_tmp)[0]; \
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}
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#define BSSWAP_COPY(a, b) { \
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#define P_16_COPY(a, b) { \
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((char *)&(b))[0] = ((char *)&(a))[1]; \
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((char *)&(b))[1] = ((char *)&(a))[0]; \
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}
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#endif
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__BEGIN_DECLS
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DB *dbopen __P((const char *, int, int, DBTYPE, const void *));
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@ -30,8 +30,7 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)mpool.h 8.1 (Berkeley) 6/2/93
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* $Id: mpool.h,v 1.4 1993/08/01 18:44:47 mycroft Exp $
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* @(#)mpool.h 8.1 (Berkeley) 6/2/93
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*/
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/*
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