97 lines
3.3 KiB
Brainfuck
Executable File
97 lines
3.3 KiB
Brainfuck
Executable File
******************************************************************************
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*
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* RLS.FILE.B - Release a file opened in named common by OPEN.FILE.B
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* (catalog name RELASE$UV$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* This is unpublished proprietary source code of Ardent Software Inc.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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* 11/04/92 10327 WLC Updated comments.
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* 10/12/92 10327 WLC Initial Release.
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*******************************************************************************
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*
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* This subroutine preceeds a standard UniVerse BASIC RETURN
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* statement. It checks a table to see if any files
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* were opened by this routine, and if so issues a RELEASE on them.
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* It determines which files were opened by locating variable stamps
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* with the unique id setting associated with this source file.
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*
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SUBROUTINE RELEASE$UV$FILE(UNIQUE.ID)
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*
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* UNIQUE.ID : string containing the unique id used for the calling source.
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* # is unique for each source program.
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* (See OPEN.UNIQUE file in /.uvhome)
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*
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*
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* Equates
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*
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* TABLE.MAX: This is the MAXIMUM number of entries that ONE
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* user can make. Basically, the maximum number
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* of files that can be "held" open.
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*
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$INCLUDE UNIVERSE.INCLUDE OPEN.TOOLS.H
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*
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$OPTIONS PICK
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* Declare named common
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*
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COMMON /UV$open$files/ FILE$VARS(TABLE.MAX),FILE$TABLE(5),curr$UV$ACCOUNT
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*
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* FILE$VARS : contains actual filevars that are returned
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* FILE$TABLE : 5 elements
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* element 1 : list of opened file names ascending left (multi valued)
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* element 2 : pointer into file$vars array (multi valued)
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* element 3 : current number of open files (single value)
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* element 4 : file open requests (multi valued)
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* element 5 : variable stamp - unique identifier for the variable name
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* used in open call. (multi valued)
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*
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* curr$UV$ACCOUNT : the name of the account in which these files
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* were opened.
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*
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*
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* Equates
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*
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EQU FILES.NOW.OPENED TO FILE$TABLE(1) ;* list of file names
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EQU TABLE.POINTER TO FILE$TABLE(2) ;* list of pointers to FILE$VARS
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EQU TABLE.COUNTER TO FILE$TABLE(3) ;* next available FILE$VAR entry
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EQU OPEN.REQUESTS TO FILE$TABLE(4) ;* list of # of open requests
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EQU VARIABLE.LIST TO FILE$TABLE(5) ;* list of variable stamps
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EQU NO TO 0
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EQU YES TO 1
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*
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* Find the unique id in the list of variable stamps to determine which files
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* to release.
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*
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NUM.ENTRIES = count(VARIABLE.LIST,@VM)+1
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if VARIABLE.LIST # 0 then
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for i = 1 to NUM.ENTRIES
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loc.id = len(VARIABLE.LIST<i>) - len(UNIQUE.ID)
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cnt=1
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next.cnt:
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loc.ix = index(VARIABLE.LIST<i>, "_":UNIQUE.ID,cnt)
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if loc.ix and loc.ix = loc.id then
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RELEASE FILE$VARS(TABLE.POINTER<i>)
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end else cnt+=1; goto next.cnt
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next i
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end
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*
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* Return to calling program
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*
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return
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*
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* End of subroutine
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*
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END
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