250 lines
9.4 KiB
C
250 lines
9.4 KiB
C
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#ifndef h_filehdr
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#define h_filehdr
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/******************************************************************************
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*
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* Declarations for UniVerse hashed file header
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*
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* Module %M% Version %I% Date %H%
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*
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* (c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
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* This is unpublished proprietary source code of Ardent Software Inc.
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* The copyright notice above does not evidence any actual or intented
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* publication of such source code.
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*
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*******************************************************************************
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*
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* Maintenence log - insert most recent change descriptions at top
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*
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* Date.... GTAR# WHO Description.........................................
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* 08/10/99 25046 JBG New Rev 4 SICA for longer NLS schema,table names
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* 04/23/99 24749 GMH Add comments
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* 04/20/99 24729 RGA re-fix DBHMASK for 8-byte platforms.
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* 04/13/99 24729 RGA Fix DBFMASH for 4-byte platforms.
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* 04/09/99 24480 GMH Renumber FH_UVREADONLY, BAKFLGS, BAKCNT
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* 04/07/99 24729 RGA Use an 8-byte DBHMASK on 64bit platforms.
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* 03/19/99 24480 RGA Change DBFMASK to 0c instead of 0b.
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* 02/26/99 24480 GMH Add FH_STATALL and FH_T30INFOALL
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* 10/14/98 23801 SAP Change copyrights.
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* 10/07/98 23673 GMH Lower revision level
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* 10/02/98 22647 GMH Fix leading zeroes
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* 10/02/98 23673 GMH Up revision level
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* 09/28/98 23672 GMH Add file type
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* 09/17/98 23673 GMH Add support for new file header
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* 09/09/98 22467 GMH Fix ovlink macros, move dbitem macros to DBFILE.h
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* 09/08/98 22647 GMH Remove EXTERN, add EXTERNs
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* 09/07/98 22647 GMH Add subscript
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* 09/07/98 22647 GMH Move FH_OFFSETS table to start_com.c
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* 09/07/98 22647 GMH Fix compilation errors
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* 09/01/98 22647 GMH Add definitions for new header routines
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* 07/02/98 16692 GMH Remove old stuff, comment, add Clrfiltime offset
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* 05/12/98 22647 LPC Reconfigure header for 64-bit file support.
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*
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*****************************************************************************/
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/* UniVerse file revision levels */
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/* NOTE: The actual revision level is the last two digits. */
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/* For example: 0x0000010b is file revision level 0b. The */
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/* 01 in front denotes a 32-bit file, a 02 will denote a */
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/* 64-bit file (which will be changed by a mask when the */
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/* file is created or resized. */
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#define DBF0100 0x00000100 /* original file format */
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#define DBF0101 0x00000101 /* fixed header size */
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#define DBF0102 0x00000102 /* fix hash type 7 bug */
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#define DBF0103 0x00000103 /* reduce header more */
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#define DBF0104 0x00000104 /* change type 30 largerec */
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#define DBF0105 0x00000105 /* change header size - min 1K */
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#define DBF0106 0x00000106 /* even sep, header = sep */
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#define DBF0107 0x00000107 /* newstyle item padding */
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#define DBF0108 0x00000108 /* gnustyle item padding */
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#define DBF0109 0x00000109 /* PI/open cnvtd files, separations 2&6 */
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#define DBF010a 0x0000010a /* freechain's freeflag check */
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#define DBF010b 0x0000010b /* NLS sort local info - last of old style header */
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#define DBF010c 0x0000010c /* new style header with long addr support */
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#define DBFMASK 0xacef010c /* this is current tag */
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#define DBFLOGV 0xaccc0001 /* Revision number of Transaction logs */
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#define DBFSICA 0xacef0004 /* Revision number of sica 25046 */
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/* Rev 4, 95C: longer NLS schema,table names */
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/* Various masks */
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#define DBFMOK 0xacef0000
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#define DBFREV 0x0000ffff
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#define DBUMASK 0x3fff0000
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#if IS_64BIT_ADDR == 1
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#define DBHMASK 0x000000007fffffff
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#else
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#define DBHMASK 0x7fffffff
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#endif
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#define DBWMASK 0x80000000
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#define DBLMASK 0x00008000
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#define DBRMASK 0x00007fff
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#define DBSMASK 0x80007fff
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#define DBUPLUS 0x00010000
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#define DBCMASK 0xc000ffff
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#define DBXMASK 0x0fffffff
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#define DXEMASK 0x0000000f /* mask to check index enable disable status */
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#define DSEMASK 0x000000f0 /* mask to check stats enable disable status */
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#define DBCLRFS 0xacef00ff /* mask to clear file system bits */
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#define DBFIL64 0x00000200 /* mask to make file 64-bit */
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/* Distributed File masks */
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#define DF001 0x00000001 /* original Distributed File format */
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#define DFmask 0xacedf001 /* current Distributed File tag */
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#define DFmok 0xacedf000
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#define DFrev 0x00000fff
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/* Header size minimum */
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#define MIN_HEADER_SIZE 1024 /* Smallest header size supported */
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/* 32-bit file header offsets */
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#define Idxoff 20 /* offset to index flags */
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#define rszname 24 /* concurrent resize path */
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#define T30data 92 /* offset to t30 data area */
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#define Dstatoff 128 /* offset to FILE.USAGE stats */
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#define Tstmpoff (Dstatoff + 14*sizeof(int)) /* offset to FILE.USAGE timestamp */
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#define Clrfiltime 364 /* Time of last clearfile operation */
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#define Bakoffset 368 /* offset to uvbackup elements */
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#define UVreadonly 380 /* offset of readonly flag */
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#define Idxname 384 /* offset of AK directory path */
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#define Idxnln 128 /* max length of AK directory path */
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#define TLfilnum 276 /* Active transaction file number */
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#define pTLfilnum 280 /* Permanent Transaction logging file number */
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#define TLflags 284 /* Inconsistent */
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#define Chkpoint 288 /* Checkpoint value */
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#define TXwarmLSN 292 /* Eight bytes long */
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#define NLSmapcsum 300 /* Checksum of NLS map name */
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#define NLSmapname 304 /* NLS map name: 32 bytes long */
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#define NLSsortcsum 200 /* 4 bytes for checksum of the NLSsort locale maps */
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#define NLSsortmap 204 /* 32 bytes for the name of the NLSsort locale */
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#define UVSicadata 512 /* Pointer to sicablock */
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#define MKDBSTAMP 516 /* time stamp from mkdbfile */
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#define Partblock 520 /* Pointer to partblock */
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#define UVSchema 524 /* UVSchema is the name of the schema.VOC only - 20 chars */
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#define SQLidxmap 544 /* 8 bytes long */
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#define UDRflags 552 /* UDR flags 4 bytes long */
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#define UDRunique 556 /* UDR unique ID 4 bytes long */
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/* 64-bit file header offsets */
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#define FileModulus 4
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#define FileSeparation 12
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#define FileType 16
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#define FreeChain 24
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#define T30data64 32
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#define UVSicadata64 84
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#define Partblock64 92
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#define rszname64 560
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/* These are the current bits that are used within the idxoff word
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** within a file header. Also, 0x4 thru 0x40 are used exclusively
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** within Type25 files.
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*/
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#define Idx_disabled 0x01 /* Indices are NOT updated */
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#define Idx_outadate 0x02 /* Indices out of sync with data file */
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#define Idx_ritejust 0x04 /* Index is right justified */
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#define Idx_knowjust 0x08 /* Index was created by CREATE.INDEX */
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#define Idx_unique 0x10 /* Index is UNIQUE */
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#define Idx_numeric 0x20 /* DBfindt25() to use compare() function */
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#define Idx_sqlitype 0x40 /* DBfindt25() to use sqlcmp() function */
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#define Idx_multpart 0x80 /* Use all parts of a mulit-part index */
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/* file read-only flag */
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#define SQLCatalog 1
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/* DEFAULT value of Incremental Backup Bits */
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#define RRbackup 0x0003
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/* Macros */
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#define SET_FILE64( x ) { x = ( x & DBCLRFS ) | DBFIL64; }
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/* These are the values of the DBFILE structure member 'addr_support'
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** that is set by the DBopen function. This structure member defines
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** the size of addresses, either 32- or 64-bit, that are used within
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** both the DBITEM structure and the uniVerse file header.
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**
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** The values are also used as indexes into the global FH_OFFSETS table,
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** which defines the offset locations of uniVerse file header elements.
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**
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** These values should NOT be changed without modifying the FH_OFFSETS
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** table.
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*/
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#define OLD32 1
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#define NEW32 3
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#define NEW64 5
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/* The following define the mnemonic names to be used as row offsets
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** into the FH_OFFSETS table (in hdroffsets.h). Gaps are left within
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** the sequence to allow for future use of unused header area.
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**
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** NOTE: if you add or change these #define's, you must also modify
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** the corresponding entry in FILEINFO.H, so that the BASIC
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** run machine utilizes the same values.
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*/
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#define FH_REVISION 0
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#define FH_MODULUS 1
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#define FH_SEPARATION 2
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#define FH_FILETYPE 3
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#define FH_INDEXFLAGS 4
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#define FH_FREECHAIN 5
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#define FH_T30INFOALL 6
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#define FH_T30TYPE 7
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#define FH_T30SPLIT 8
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#define FH_T30MERGE 9
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#define FH_T30CURMOD 10
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#define FH_T30BASEMOD 11
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#define FH_T30LARGEREC 12
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#define FH_T30CURRLOAD 13
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#define FH_T30SELECTCNT 14
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#define FH_T30NEXTSPLIT 15
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#define FH_SICADATA 16
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#define FH_PARTBLOCK 17
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#define FH_STATALL 29
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#define FH_STAT01 30
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#define FH_STAT02 31
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#define FH_STAT03 32
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#define FH_STAT04 33
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#define FH_STAT05 34
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#define FH_STAT06 35
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#define FH_STAT07 36
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#define FH_STAT08 37
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#define FH_STAT09 38
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#define FH_STAT10 39
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#define FH_STAT11 40
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#define FH_STAT12 41
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#define FH_STAT13 42
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#define FH_STAT14 43
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#define FH_STAT15 44
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#define FH_STAT16 45
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#define FH_STAT17 46
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#define FH_STAT18 47
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#define FH_NLSSORTCUM 48
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#define FH_NLSSORTMAP 49
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#define FH_TLFILNUM 60
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#define FH_pTLFILNUM 61
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#define FH_TLFLAGS 62
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#define FH_CHKPOINT 63
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#define FH_TXWARMLSN 64
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#define FH_NLSMAPCSUM 65
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#define FH_NLSMAPNAME 66
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#define FH_CLEARTIME 80
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#define FH_BAKTIME 81
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#define FH_BAKFLGS 82
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#define FH_BAKCNT 83
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#define FH_INDEXPATH 85
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#define FH_MKDBSTAMP 87
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#define FH_UVREADONLY 88
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#define FH_UVSCHEMA 89
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#define FH_IDXCOLCNT 90
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#define FH_IDXCOLMAP 91
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#define FH_UDRFLAGS 92
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#define FH_UDRUNIQUE 93
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#define FH_RESIZEPATH 94
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#define TYPE1_FILE 1
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#define TYPE19_FILE 19
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#define BTREE_FILE 25
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#define DISTRIBUTED_FILE 27
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#define DYNAMIC_FILE 30
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#define VIEW_FILE 41
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#endif
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