269 lines
6.8 KiB
Plaintext
269 lines
6.8 KiB
Plaintext
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******************************************************************************
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*
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* System Admin Transaction Logging - Create Log File
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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* This is unpublished proprietary source code of Ardent Software Inc.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 intended
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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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* 10/14/98 23801 SAP Change copyrights.
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* 06/26/98 23161 RGA Initial programming
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*
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*******************************************************************************
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id = "%W%"
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*******************************************************************************
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* Inserts
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$INCLUDE UNIVERSE.INCLUDE TLOG.H
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* Equates
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EQU MINIMUM.FILE.SIZE TO (10 * BKSIZE) ;* Smallest size in bytes
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* Initialize variables
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OPENED.FLAG = @FALSE
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OPENED2.FLAG = @FALSE
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LOCKED.FLAG = @FALSE
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LOCKED2.FLAG = @FALSE
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* Check that this user is a system administrator
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TRUE.OFFSET = 0
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ALLOWED = 0
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CALL *ISUSER.B(0, ALLOWED)
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IF NOT(ALLOWED) THEN
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ERROR = NOT.ADMINISTRATOR.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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* Do some initialization
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GOSUB INIT
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LAST.SEQ = 0
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* Loop to create new AL files
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FOR FILECR = 1 TO NUMBER.OF.FILES
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READU LOG.NEXT FROM UV.LOGS.DICT.FVAR, "LOG.NEXT" THEN
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LOCKED.FLAG = @TRUE
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END
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SEQ.NUMBER = LOG.NEXT<2>
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FILENAME = AL.PREFIX : SEQ.NUMBER
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* Disable breaks, need a complete initialized log file
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BREAK OFF
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* Print message
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* PRINT
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* PRINT "Creating " : FILENAME : " (Each '*' = 1024 bytes.)"
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* Get junk readu lock for ISO mode 2 support
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READU JUNK FROM UV.LOGS.FVAR,SEQ.NUMBER THEN
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LOCKED2.FLAG = @TRUE
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END
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* Calculate the starting offset of this new log
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IF (NUMBER.OF.FILES > 1) THEN
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TRUE.OFFSET = STARTING.OFFSET + ((FILECR - 1) * SIZE.OF.FILES)
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END
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IF (NUMBER.OF.FILES < 2) THEN
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TRUE.OFFSET = STARTING.OFFSET
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END
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RECIO( SEQ.NUMBER, SIZE.OF.FILES, TRUE.OFFSET, RECIO$RAWCREATE )
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IF (@SYSTEM.RETURN.CODE = FAILED.BADOFFSET.ERROR) THEN
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ERROR = FAILED.BADOFFSET.ERROR
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PRINT FAILED.BADOFFSET.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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IF @SYSTEM.RETURN.CODE THEN
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PRINT FAILED.CREATE.ERROR
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ERROR = FAILED.CREATE.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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* Write a new logfile record to UV.LOGS
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AI.REC = ''
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AI.REC< AIF.CURR.DATE > = ''
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AI.REC< AIF.CURR.TIME > = ''
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AI.REC< AIF.FULL.DATE > = ''
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AI.REC< AIF.FULL.TIME > = ''
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AI.REC< AIF.SIZE > = SIZE.OF.FILES
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AI.REC< AIF.OFFSET > = TRUE.OFFSET
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AI.REC< AIF.STATUS > = 'A'
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WRITE AI.REC TO UV.LOGS.FVAR, SEQ.NUMBER ELSE
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ERROR = CANNOT.WRITE.UV.LOGS.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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LOCKED2.FLAG = @FALSE
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REC = ""
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REC<1> = "X"
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REC<2> = SEQ.NUMBER + 1
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WRITE REC TO UV.LOGS.DICT.FVAR, "LOG.NEXT" ELSE
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ERROR = CANNOT.WRITE.UV.LOGS.DICT.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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LOCKED.FLAG = @FALSE
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* Enable breaks and tell them the good news
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BREAK ON
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PRINT FILENAME : " Created."
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NEXT FILECR
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* Finished
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GOTO EXIT
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*====
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INIT:
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*====
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TMP = TRIM( @SENTENCE )
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CNT = COUNT( TMP, " " )
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IF ( CNT NE 3 ) THEN
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ERROR = INCORRECT.NUM.ARGS
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GOSUB ERROR.SUB
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GOTO EXIT
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STOP
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END
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SIZE.OF.FILES = FIELD( TMP, " ", 2 )
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NUMBER.OF.FILES = FIELD( TMP, " ", 3 )
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STARTING.OFFSET = FIELD( TMP, " ", 4 )
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PATH = "" ;* verify that raw logging device exists.
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RECIO( PATH, RECIO$RAWPATH )
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IF PATH = "" THEN
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ERROR = INVALID.UV.LOGS.DIR.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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* verify size is at lesat minimum, make it multiple of 512
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TEMP = MOD( SIZE.OF.FILES, 512 )
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SIZE.OF.FILES = SIZE.OF.FILES - TEMP
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IF SIZE.OF.FILES < MINIMUM.FILE.SIZE THEN
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ERROR = BLOCK.SIZE.TOO.SMALL.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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* Open UV.LOGS
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OPEN '', UV.LOGS.FILE.NAME TO UV.LOGS.FVAR ELSE
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ERROR = CANNOT.OPEN.UV.LOGS.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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OPENED.FLAG = @TRUE
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* Open DICT UV.LOGS
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OPEN 'DICT', UV.LOGS.FILE.NAME TO UV.LOGS.DICT.FVAR ELSE
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ERROR = CANNOT.OPEN.UV.LOGS.DICT.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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OPENED2.FLAG = @TRUE
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RETURN
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*=========
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ERROR.SUB:
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*=========
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* Error handling routine
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PRINT @SYS.BELL
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BREAK ON
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* Set return code and report the error
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@SYSTEM.SET = -1
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BEGIN CASE
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CASE ERROR = CANNOT.OPEN.UV.LOGS.ERROR
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PRINT 'Error: Cannot open UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = CANNOT.OPEN.UV.LOGS.DICT.ERROR
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PRINT 'Error: Cannot open DICT UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = CANNOT.READ.UV.LOGS.ERROR
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PRINT 'Error: Reading from UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = CANNOT.READ.UV.LOGS.DICT.ERROR
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PRINT "Error: Cannot read DICT UV.LOGS LOG.NEXT record, Status = " : STATUS()
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CASE ERROR = CANNOT.WRITE.UV.LOGS.ERROR
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PRINT 'Error: Writing to UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = CANNOT.WRITE.UV.LOGS.DICT.ERROR
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PRINT 'Error: Writing to UV.LOGS DICT file, Status = ' : STATUS()
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CASE ERROR = FAILED.CREATE.ERROR
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PRINT 'Error : Failed to create log file "': FILENAME : '", Status = ' : STATUS()
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CASE ERROR = FAILED.BADOFFSET.ERROR
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PRINT 'Error : Failed to create log file - invalid offset "': FILENAME : '", Status = ' : STATUS()
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CASE ERROR = NOT.ADMINISTRATOR.ERROR
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PRINT 'Error: Only the UniVerse Administrator can create log files.'
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CASE ERROR = INVALID.UV.LOGS.DIR.ERROR
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PRINT 'Error: No Logging Directory Exists.'
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CASE ERROR = INCORRECT.NUM.ARGS
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PRINT 'Error: Incorrect Number of arguments. '
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CASE ERROR = BLOCK.SIZE.TOO.SMALL.ERROR
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PRINT 'Error: Block size too small. Must be at least ':MINIMUM.FILE.SIZE:' bytes.'
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END CASE
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RETURN
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*---------------
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EXIT:
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*---------------
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* Release the lock and close UV.LOGS
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IF LOCKED.FLAG THEN
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RELEASE UV.LOGS.DICT.FVAR
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END
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IF LOCKED2.FLAG THEN
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RELEASE UV.LOGS.FVAR
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END
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IF OPENED.FLAG THEN
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CLOSE UV.LOGS.FVAR
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END
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IF OPENED2.FLAG THEN
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CLOSE UV.LOGS.DICT.FVAR
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END
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STOP
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END
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* END-CODE
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