(FILECREATED "30-Jul-85 19:19:54" {ERIS}<LISPCORE>SOURCES>ADIR.;25 31086  

      changes to:  (FNS UNPACKFILENAME.STRING)
		   (MACROS UNPACKFILE1 PACKFILENAME.ASSEMBLE)

      previous date: "24-Jul-85 17:16:30" {ERIS}<LISPCORE>SOURCES>ADIR.;23)


(* Copyright (c) 1981, 1982, 1983, 1984, 1985 by Xerox Corporation. All rights reserved.)

(PRETTYCOMPRINT ADIRCOMS)

(RPAQQ ADIRCOMS [[COMS (* user-level i/o routines)
		       (FNS DELFILE FULLNAME INFILE INFILEP IOFILE OPENFILE OPENSTREAM OUTFILE 
			    OUTFILEP RENAMEFILE SIMPLE.FINDFILE)
		       (P (MOVD? (QUOTE SIMPLE.FINDFILE)
				 (QUOTE FINDFILE]
		 [COMS (FNS UNPACKFILENAME UNPACKFILENAME.STRING LASTCHPOS \UPF.NEXTPOS FILENAMEFIELD 
			    PACKFILENAME PACKFILENAME.STRING)
		       (DECLARE: DONTCOPY (MACROS PACKFILENAME.ASSEMBLE UNPACKFILE1))
		       (VARS \FILENAME.DELIMITERS (* (CHARCODE (%( %) %[ %] { } < > / ! ; :]
		 (COMS (* saving and restoring system state)
		       (FNS LOGOUT MAKESYS SYSOUT SAVEVM HERALD \REVALIDATEFILELST INTERPRET.REM.CM 
			    \USEREVENT)
		       (ADDVARS (AROUNDEXITFNS))
		       (VARS (HERALDSTRING "")
			     (\USERNAME))
		       (GLOBALVARS HERALDSTRING USERNAME \USERNAME AROUNDEXITFNS)
		       (FNS USERNAME SETUSERNAME))
		 (LOCALVARS . T)
		 (DECLARE: DONTEVAL@LOAD DOEVAL@COMPILE DONTCOPY COMPILERVARS
			   (ADDVARS (NLAMA)
				    (NLAML)
				    (LAMA PACKFILENAME.STRING PACKFILENAME])



(* user-level i/o routines)

(DEFINEQ

(DELFILE
  [LAMBDA (FILE)                                             (* bvm: "27-DEC-81 00:10")
    (AND (NEQ FILE T)
	 (\DELETEFILE FILE])

(FULLNAME
  [LAMBDA (X RECOG)                                          (* rmk: "22-AUG-83 13:33")
    (COND
      ((type? STREAM X)
	(fetch (STREAM FULLNAME) of X))
      (T (SELECTQ RECOG
		  (NIL (SETQQ RECOG OLD))
		  ((OLD OLD/NEW NEW OLDEST))
		  (\ILLEGAL.ARG RECOG))
	 (\GETFILENAME X RECOG])

(INFILE
  [LAMBDA (FILE)                                            (* rmk: " 3-OCT-79 14:23")
    (INPUT (OPENFILE FILE (QUOTE INPUT)
		     (QUOTE OLD])

(INFILEP
  [LAMBDA (FILE)                                            (* rmk: " 9-OCT-79 22:39")
    (\GETFILENAME FILE (QUOTE OLD])

(IOFILE
  [LAMBDA (FILE)                                            (* rmk: " 5-SEP-81 13:54")
    (OPENFILE FILE (QUOTE BOTH)
	      (QUOTE OLD])

(OPENFILE
(LAMBDA (FILE ACCESS RECOG PARAMETERS OPTIONAL) (* lmm "30-Mar-85 04:10") (fetch FULLNAME of (
OPENSTREAM FILE ACCESS RECOG PARAMETERS OPTIONAL))))

(OPENSTREAM
  [LAMBDA (FILE ACCESS RECOG PARAMETERS OBSOLETE)            (* bvm: "24-Jul-85 17:15")
    (PROG (REC OLDSTREAM STREAM)
          (SELECTQ ACCESS
		   ((INPUT OUTPUT BOTH APPEND))
		   (\ILLEGAL.ARG ACCESS))
          (SETQ REC (SELECTQ RECOG
			     ((EXACT NEW OLD OLD/NEW OLDEST)
			       RECOG)
			     (NIL (SELECTQ ACCESS
					   (INPUT (QUOTE OLD))
					   (OUTPUT (QUOTE NEW))
					   (QUOTE OLD/NEW)))
			     (\ILLEGAL.ARG RECOG)))
          (if (OR (LISTP OBSOLETE)
		  (AND PARAMETERS (NLISTP PARAMETERS)))
	      then                                           (* used to have OPENFILE/OPENSTREAM with BYTESIZE and 
							     PARAMETERS. Now it will take PARAMETERS, and generally 
							     ignore the BYTESIZE)
		   (SETQ PARAMETERS (APPEND (SELECTQ PARAMETERS
						     [7 (QUOTE ((TYPE TEXT]
						     [8 (QUOTE ((TYPE BINARY]
						     NIL)
					    OBSOLETE)))
          (COND
	    ((OR (EQ FILE T)
		 (NULL FILE))

          (* Handle T and NIL separately, cause they can return the terminal streams, for which the search isn't necessary and
	  the \ADDOFD shouldn't be done.)


	      (SETQ STREAM (\GETSTREAM FILE ACCESS))
	      (\DO.PARAMS.AT.OPEN STREAM ACCESS PARAMETERS)
	      (RETURN STREAM)))

          (* We open the file before looking to see whether it is already open. This guarantees that we acquire the opening 
	  rights at the time we lookup the name. We then check to see if it is currently open in Lisp.
	  If it is, we return the previous stream, which has the file's current state. -
	  There are still potential problems: First, an interrupt can happen while we are doing the search which causes the 
	  file to be deleted or re-opened beneath us, BEFORE it gets added to \OPENFILES. Second, a network device might not 
	  allow multiple openings of the file, even by the same guy with the same mode.)


          (SETQ STREAM (\OPENFILE FILE ACCESS REC PARAMETERS))
          (COND
	    [(SETQ OLDSTREAM (\SEARCHOPENFILES (fetch FULLNAME of STREAM)))

          (* There is already a stream open on the file. Check that there is no conflict. Eventually all this registration 
	  belongs in the device, so that we can have multiple streams open per file)


	      (COND
		((AND (EQ ACCESS (QUOTE INPUT))
		      (EQ (fetch ACCESS of OLDSTREAM)
			  (QUOTE INPUT)))                    (* Dispose of the newly-obtained stream, This might be 
							     a noop, but a network device 
							     (LEAF) cares)
		  (OR (EQ STREAM OLDSTREAM)
		      (\CLOSEFILE STREAM))
		  (\DO.PARAMS.AT.OPEN OLDSTREAM ACCESS PARAMETERS)
                                                             (* Do parameters on the old stream)
		  (RETURN OLDSTREAM))
		(T (LISPERROR "FILE WON'T OPEN" FILE]
	    (T (\ADDOFD STREAM)                              (* Parameters done on new stream by \OPENFILE)
	       (RETURN STREAM])

(OUTFILE
  [LAMBDA (FILE)                                            (* rmk: " 3-OCT-79 14:24")
    (OUTPUT (OPENFILE FILE (QUOTE OUTPUT)
		      (QUOTE NEW])

(OUTFILEP
  [LAMBDA (FILE)                                            (* rmk: " 9-OCT-79 22:39")
    (\GETFILENAME FILE (QUOTE NEW])

(RENAMEFILE
  [LAMBDA (OLDFILE NEWFILE)                                  (* bvm: " 4-JUN-83 22:37")
    (AND OLDFILE NEWFILE (NEQ OLDFILE T)
	 (NEQ NEWFILE T)
	 (\RENAMEFILE OLDFILE NEWFILE])

(SIMPLE.FINDFILE
  [LAMBDA (FILE DUMMY DIRLST)                               (* bvm: "31-AUG-81 20:59")
    (OR (INFILEP FILE)
	(for DIR in DIRLST when (SETQ $$VAL (INFILEP (PACKFILENAME (QUOTE DIRECTORY)
								   DIR
								   (QUOTE BODY)
								   FILE)))
	   do (RETURN $$VAL])
)
(MOVD? (QUOTE SIMPLE.FINDFILE)
       (QUOTE FINDFILE))
(DEFINEQ

(UNPACKFILENAME
  [LAMBDA (FILE ONEFIELDFLG)                                 (* bvm: " 5-Jul-85 15:24")
    (UNPACKFILENAME.STRING FILE ONEFIELDFLG NIL T])

(UNPACKFILENAME.STRING
  [LAMBDA (FILE ONEFIELDFLG DIRFLG PACKFLG)                  (* bvm: "30-Jul-85 19:19")
    (PROG ((POS 1)
	   TEM TEM2 BEYONDNAME BEYONDEXT VAL CODE HOSTP SUBDIREND)
          (COND
	    ((NULL FILE)
	      (RETURN))
	    ((OR (LITATOM FILE)
		 (STRINGP FILE)))
	    [(type? STREAM FILE)                             (* For streams, use full name.
							     If anonymous, fake it)
	      (SETQ FILE (OR (ffetch FULLFILENAME of FILE)
			     (RETURN (COND
				       (ONEFIELDFLG (AND (EQ ONEFIELDFLG (QUOTE NAME))
							 FILE))
				       (T (LIST (QUOTE NAME)
						FILE]
	    (T (\ILLEGAL.ARG FILE)))
          (COND
	    ((SELCHARQ (NTHCHARCODE FILE 1)
		       [{                                    (* normal use in Interlisp-D)
			  (SETQ TEM (SUB1 (OR (\UPF.NEXTPOS (CHARCODE })
							    FILE 2)
					      0]
		       [%[                                   (* some Xerox and Arpanet systems use "[" for host)
			   (SETQ TEM (SUB1 (OR (\UPF.NEXTPOS (CHARCODE "]")
							     FILE 2)
					       0]
		       [%(                                   (* this is the "proposed standard" for Xerox servers)
			   (SETQ TEM (SUB1 (OR (\UPF.NEXTPOS (CHARCODE ")")
							     FILE 2)
					       0]
		       NIL)
	      (UNPACKFILE1 (QUOTE HOST)
			   2 TEM)
	      [COND
		((EQ TEM -1)
		  (RETURN (DREVERSE VAL]
	      (SETQ POS (IPLUS TEM 2))
	      (SETQ HOSTP T)))
          (COND
	    ((SETQ TEM (LASTCHPOS (CHARCODE :)
				  FILE POS))                 (* all device returned have : on it so that NIL: will 
							     work)
	      (UNPACKFILE1 (QUOTE DEVICE)
			   POS TEM)
	      (SETQ POS (ADD1 TEM))
	      (SETQ HOSTP T)))
          (COND
	    ((EQ DIRFLG (QUOTE RETURN))
	      (LET ((TYPE (QUOTE DIRECTORY))
		    (START (SELCHARQ (NTHCHARCODE FILE POS)
				     (NIL (RETURN (DREVERSE VAL)))
				     ((/ <)
				       (ADD1 POS))
				     POS))
		    END)
	           (SETQ END (SELCHARQ (NTHCHARCODE FILE -1)
				       ((/ >)
					 [COND
					   ((AND (EQ START POS)
						 (NOT HOSTP))
                                                             (* Didn't start with a directory delimiter, but it ends
							     with one, so this must be a subdirectory)
					     (SETQ TYPE (QUOTE SUBDIRECTORY]
					 -2)
				       (PROGN -1)))
	           (UNPACKFILE1 TYPE START END))
	      (RETURN (DREVERSE VAL)))
	    ((SELCHARQ (NTHCHARCODE FILE POS)
		       [/                                    (* unix and the "xerox standard" use / for delimiter)
			  (SETQ TEM (LASTCHPOS (CHARCODE /)
					       FILE
					       (ADD1 POS]
		       [(< >)                                (* Interlisp-D and most other Xerox systems, and 
							     Tops-20/Tenex use <>. Jericho uses >>)
			 (SETQ TEM (LASTCHPOS (CHARCODE >)
					      FILE
					      (ADD1 POS]
		       NIL)
	      (UNPACKFILE1 (QUOTE DIRECTORY)
			   (ADD1 POS)
			   (SUB1 TEM))
	      (SETQ POS (ADD1 TEM))
	      (SETQ HOSTP T)))
          (OR (SETQ CODE (NTHCHARCODE FILE (SETQ TEM POS)))
	      (RETURN (DREVERSE VAL)))
      NAMELP
          (SELCHARQ CODE
		    ((%. ! ; NIL)                            (* NAME and SUBDIRECTORY fields definitely terminated 
							     by now)
		      (COND
			((AND (EQ CODE (CHARCODE %.))
			      (NOT BEYONDNAME)
			      (SETQ TEM2 (STRPOS "." FILE (ADD1 TEM)))
			      (SETQ TEM2 (NTHCHAR FILE (ADD1 TEM2)))
			      (NOT (FIXP TEM2)))             (* If there's another dot followed by something other 
							     than a numeric extension, then ignore this dot, since 
							     we'll get another chance)
			  (GO NEXTCHAR)))
		      [COND
			(SUBDIREND (UNPACKFILE1 (QUOTE SUBDIRECTORY)
						POS
						(SUB1 SUBDIREND))
				   (SETQ POS (ADD1 SUBDIREND))
				   (SETQ SUBDIREND)
				   (COND
				     ((AND (NULL CODE)
					   (EQ POS TEM))     (* Nothing follows the subdirectory;
							     null name is NOT implied)
				       (RETURN (DREVERSE VAL]
		      (UNPACKFILE1 [COND
				     ((NOT BEYONDNAME)
				       (COND
					 ((NEQ CODE (CHARCODE %.))
					   (SETQQ BEYONDEXT ;)))
				       (SETQQ BEYONDNAME NAME))
				     ((NOT BEYONDEXT)
				       (SETQ BEYONDEXT (COND
					   ((NEQ CODE (CHARCODE %.))
					     (QUOTE ;))
					   (T T)))
				       (QUOTE EXTENSION))
				     (T (SELCHARQ (AND (EQ BEYONDEXT (QUOTE ;))
						       (NTHCHARCODE FILE POS))
						  (P (QUOTE PROTECTION))
						  (A (add POS 1)
						     (QUOTE ACCOUNT))
						  ((T S)
						    (QUOTE TEMPORARY))
						  (QUOTE VERSION]
				   POS
				   (SUB1 TEM))
		      [COND
			((NULL CODE)                         (* End of string)
			  (RETURN (DREVERSE VAL]
		      (SETQ POS (ADD1 TEM)))
		    ('                                       (* Quoter)
		       (add TEM 1))
		    [(/ >)                                   (* Subdirectory terminating character)
		      (COND
			((AND (NOT HOSTP)
			      (NOT BEYONDNAME)
			      DIRFLG)                        (* Ok to treat this as a subdirectory)
			  (SETQ SUBDIREND TEM]
		    NIL)
      NEXTCHAR
          (SETQ CODE (NTHCHARCODE FILE (add TEM 1)))
          (GO NAMELP])

(LASTCHPOS
  [LAMBDA (CH STR START)                                     (* lmm " 5-Oct-84 18:41")
    (PROG (RESULT NC)
          (OR START (SETQ START 1))
          (while (SETQ NC (NTHCHARCODE STR START))
	     do (COND
		  ((EQ NC CH)
		    (SETQ RESULT START))
		  ((EQ NC (CHARCODE '))
		    (add START 1)))
		(add START 1))
          (RETURN RESULT])

(\UPF.NEXTPOS
  [LAMBDA (CHAR STRING POS)                                  (* lmm " 5-Oct-84 18:41")
    (bind NCH while (SETQ NCH (NTHCHARCODE STRING POS))
       do (COND
	    ((EQMEMB NCH CHAR)
	      (RETURN POS))
	    ((EQ NCH (CHARCODE '))
	      (add POS 1)))
	  (add POS 1])

(FILENAMEFIELD
  [LAMBDA (FILE FIELDNAME)                                   (* bvm: " 6-Jul-85 17:57")
    (UNPACKFILENAME.STRING FILE (SELECTQ FIELDNAME
					 ((VERSION GENERATION)
					   (QUOTE (VERSION GENERATION)))
					 ((DEVICE STRUCTURE)
					   (QUOTE (DEVICE STRUCTURE)))
					 FIELDNAME)
			   (QUOTE OK)
			   T])

(PACKFILENAME
  [LAMBDA N                                                  (* bvm: " 5-Jul-85 15:40")
    (COND
      ((AND (EQ N 1)
	    (LISTP (ARG N 1)))                               (* spread argument list)
	(APPLY (FUNCTION PACKFILENAME)
	       (ARG N 1)))
      (T (PACK (PACKFILENAME.ASSEMBLE])

(PACKFILENAME.STRING
  [LAMBDA N                                                  (* bvm: " 5-Jul-85 15:41")
    (COND
      ((AND (EQ N 1)
	    (LISTP (ARG N 1)))                               (* spread argument list)
	(APPLY (FUNCTION PACKFILENAME.STRING)
	       (ARG N 1)))
      (T (CONCATLIST (PACKFILENAME.ASSEMBLE])
)
(DECLARE: DONTCOPY 
(DECLARE: EVAL@COMPILE 
[PUTPROPS PACKFILENAME.ASSEMBLE MACRO
	  (NIL (* Common part of PACKFILENAME and PACKFILENAME.STRING -- maps down nospread arg N and 
		  assembles list to be packed or concated)
	       (PROG ((BLIP "")
		      (I 1)
		      HOST DEVICE STRUCTURE DIRECTORY SUBDIRECTORY NAME EXTENSION VERSION TEMPORARY 
		      PROTECTION ACCOUNT PACKLIST VAR VAL TEMP)
		     (DECLARE (SPECVARS HOST DEVICE STRUCTURE DIRECTORY SUBDIRECTORY NAME EXTENSION 
					VERSION TEMPORARY PROTECTION ACCOUNT))
		     LP
		     (COND ((NOT (IGREATERP I N))
			    (COND ((LISTP (SETQ VAR (ARG N I)))
				   (SETQ VAL (CDR VAR))
				   (SETQ VAR (CAR VAR)))
				  ((NOT (IGREATERP (SETQ I (ADD1 I))
						   N))
				   (SETQ VAL (ARG N I)))
				  (T (SETQ VAL)))
			    (OR (STRINGP VAL)
				(ATOM VAL)
				(EQ VAR (QUOTE BODY))
				(\ILLEGAL.ARG VAL))
			    (* non-BODY fields must be stringlike)
			    (SELECTQ VAR (BODY (MAP (UNPACKFILENAME.STRING (COND ((LISTP VAL)
										  (* PACKFILENAME for 
										     error checking 
										     of fields)
										  (PACKFILENAME.STRING
										    VAL))
										 (T VAL))
									   NIL
									   (QUOTE OK))
						    [FUNCTION (LAMBDA
								(X)
								(* NIL => not yet seen, BLIP => seen 
								   as NIL.)
								(OR (EVALV (CAR X))
								    (SET (CAR X)
									 (OR (CADR X)
									     BLIP]
						    (FUNCTION CDDR)))
				     [HOST (OR HOST
					       (SETQ HOST
						     (COND
						       (VAL (SELCHARQ (CHCON1 VAL)
								      (({ %[ %()
								       (SUBSTRING
									 VAL 2
									 (SELCHARQ (NTHCHARCODE
										     VAL -1)
										   ((} %] %))
										    -2)
										   -1)))
								      VAL))
						       (T BLIP]
				     [(PATHNAME DIRECTORY)
				      (* DIRECTORY really is treated as {Host}device:<directory>)
				      (COND (VAL (for X on (SETQ VAL (UNPACKFILENAME.STRING
								   VAL NIL (QUOTE RETURN)))
						      by
						      (CDDR X)
						      do
						      (SELECTQ (CAR X)
							       [HOST (COND ((NOT HOST)
									    (SETQ
									      HOST
									      (OR (CADR X)
										  BLIP]
							       [DEVICE (COND ((NOT DEVICE)
									      (SETQ
										DEVICE
										(OR (CADR X)
										    BLIP]
							       [DIRECTORY
								 (OR DIRECTORY (SETQ
								       DIRECTORY
								       (OR (CADR X)
									   BLIP]
							       [SUBDIRECTORY
								 (OR SUBDIRECTORY
								     (SETQ SUBDIRECTORY
									   (OR (CADR X)
									       BLIP]
							       (ERROR 
								"Illegal field in DIRECTORY slot"
								      VAL)))
						 (for X on VAL by (CDDR X)
						      do
						      (SELECTQ (CAR X)
							       (HOST (OR DEVICE (SETQ DEVICE BLIP))
								     (OR DIRECTORY (SETQ DIRECTORY 
											 BLIP)))
							       (DEVICE (OR DIRECTORY (SETQ DIRECTORY 
											   BLIP)))
							       NIL)))
					    (T (OR DIRECTORY (SETQ DIRECTORY BLIP]
				     [(DEVICE DIRECTORY SUBDIRECTORY HOST NAME EXTENSION VERSION 
					      TEMPORARY)
				      (OR (EVALV VAR)
					  (SET VAR (OR VAL BLIP]
				     (\ILLEGAL.ARG VAR))
			    (SETQ I (ADD1 I))
			    (GO LP)))
		     (SELECTQ TEMPORARY [(T S ;S)
			       (* hack for Interlisp-D!)
			       (OR HOST DEVICE (PROGN (SETQ HOST (QUOTE CORE))
						      (SETQ TEMPORARY]
			      NIL)
		     (COND ((EQ HOST BLIP)
			    (SETQ HOST NIL)))
		     (COND ((EQ DEVICE BLIP)
			    (SETQ DEVICE NIL)))
		     (COND ((EQ DIRECTORY BLIP)
			    (SETQ DIRECTORY NIL)))
		     [COND ((EQ SUBDIRECTORY BLIP)
			    (SETQ SUBDIRECTORY NIL))
			   (SUBDIRECTORY (COND ((AND (NULL DIRECTORY)
						     (OR HOST DEVICE))
						(* no DIRECTORY specified, but the resulting name 
						   can't just have a subdirectory, so make it a full 
						   directory)
						(SETQ DIRECTORY SUBDIRECTORY)
						(SETQ SUBDIRECTORY NIL]
		     (RETURN (NCONC (AND HOST (LIST "{" HOST "}"))
				    [AND DEVICE (SELCHARQ (NTHCHARCODE DEVICE -1)
							  (: (LIST DEVICE))
							  (LIST DEVICE (QUOTE :]
				    (AND DIRECTORY (LIST "<" DIRECTORY ">"))
				    (AND SUBDIRECTORY (LIST SUBDIRECTORY ">"))
				    (AND NAME (NEQ NAME BLIP)
					 (LIST NAME))
				    (AND (OR (AND EXTENSION (NEQ EXTENSION BLIP))
					     (AND VERSION (NEQ VERSION BLIP)))
					 (LIST (COND ((AND EXTENSION (EQ (CHCON1 EXTENSION)
									 (CHARCODE %.)))
						      BLIP)
						     (T (QUOTE %.)))
					       (OR EXTENSION BLIP)))
				    [AND VERSION (NEQ VERSION BLIP)
					 (COND ((FIXP VERSION)
						(LIST (QUOTE ;)
						      VERSION))
					       (T (SELCHARQ (CHCON1 VERSION)
							    (; (LIST VERSION))
							    ((%. !)
							     (LIST (QUOTE ;)
								   (SUBSTRING VERSION 2 -1)))
							    (LIST (QUOTE ;)
								  VERSION]
				    (AND TEMPORARY (NEQ TEMPORARY BLIP)
					 (LIST (QUOTE ;)
					       (SELECTQ TEMPORARY ((S ;S)
							 (QUOTE S))
							T]
[PUTPROPS UNPACKFILE1 MACRO (OPENLAMBDA (NAM ST END)
					(* lmm "22-APR-81 22:21")
					(COND [(NOT ONEFIELDFLG)
					       (SETQ VAL
						     (CONS (COND (PACKFLG (SUBATOM FILE ST END))
								 (T (OR (SUBSTRING FILE ST END)
									"")))
							   (CONS NAM VAL]
					      ((EQMEMB NAM ONEFIELDFLG)
					       (RETURN (COND (PACKFLG (SUBATOM FILE ST END))
							     (T (OR (SUBSTRING FILE ST END)
								    ""]
)
)

(RPAQQ \FILENAME.DELIMITERS (40 41 91 93 123 125 60 62 47 33 59 58))



(* saving and restoring system state)

(DEFINEQ

(LOGOUT
  [LAMBDA (FAST)                                             (* bvm: "14-Feb-85 23:24")
    (DECLARE (GLOBALVARS \OPENFILES))
    (\USEREVENT (QUOTE BEFORELOGOUT))
    (COND
      ((OR (EQ FAST T)
	   (\FLUSHVMOK? (QUOTE LOGOUT)))                     (* Check that we have a vmem file before allowing 
							     LOGOUT)
	(\PROCESS.BEFORE.LOGOUT)
	(\DEVICEEVENT (QUOTE BEFORELOGOUT))
	(\SETTOTALTIME)                                      (* update the total time that this sysout has been 
							     running.)
	(\LOGOUT0 FAST)                                      (* Must re-establish the state of devices and of 
							     previously open files that might have been modified at 
							     the EXEC.)
	(\RESETKEYBOARD)
	(\DEVICEEVENT (QUOTE AFTERLOGOUT))
	(\OPENLINEBUF)
	(SETQ \OPENFILES (\REVALIDATEFILELST \OPENFILES))
	(\PROCESS.AFTER.EXIT (QUOTE AFTERLOGOUT))
	(\USEREVENT (QUOTE AFTERLOGOUT))
	(INTERPRET.REM.CM)
	NIL])

(MAKESYS
  [LAMBDA (FILE NAME)                                        (* bvm: "14-Feb-85 23:26")
    (DECLARE (GLOBALVARS \MISCSTATS)
	     (SPECVARS FILE NAME))                           (* SPECVARS for BEFOREMAKESYSFORMS)
    (\FLUSHVMOK? (QUOTE MAKESYS))
    (\USEREVENT (QUOTE BEFOREMAKESYS))
    (HERALD (CONCAT (OR NAME "INTERLISP-D")
		    " "
		    (SUBSTRING (SETQ MAKESYSDATE (DATE))
			       1 9)
		    " ..."))
    (\DEVICEEVENT (QUOTE BEFOREMAKESYS))
    (replace TOTALTIME of \MISCSTATS with 0)                 (* reset totaltime field.)
    (SETQ LAST↑TKEYBOARDTIME)
    (PROG ((NEWFILE (\COPYSYS FILE)))
          (RETURN (COND
		    ((NLISTP NEWFILE)
		      (\DEVICEEVENT (QUOTE AFTERDOMAKESYS))
		      (\USEREVENT (QUOTE AFTERDOMAKESYS))
		      NEWFILE)
		    (T (\DEVICEEVENT (QUOTE AFTERMAKESYS))
		       (\RESETOFDS)
		       (\PROCESS.AFTER.EXIT (QUOTE AFTERMAKESYS))
		       (PRIN1 HERALDSTRING T)
		       (SETQ RESETFORMS (CONS GREETFORM RESETFORMS))
		       (\USEREVENT (QUOTE AFTERMAKESYS))
		       (INTERPRET.REM.CM)
		       (RESET])

(SYSOUT
  [LAMBDA (FILE)                                             (* bvm: "14-Feb-85 23:26")
    (DECLARE (GLOBALVARS \MISCSTATS)
	     (SPECVARS FILE))                                (* FILE is special so that BEFORESYSOUTFORMS can alter 
							     it)
    (\FLUSHVMOK? (QUOTE SYSOUT))
    (\USEREVENT (QUOTE BEFORESYSOUT))
    (\DEVICEEVENT (QUOTE BEFORESYSOUT))
    (PROG ((TOTALTIMESAVE (fetch TOTALTIME of \MISCSTATS))
	   NEWFILE)                                          (* update the total time field so that the run time in 
							     the sysout will be right.)
          (\SETTOTALTIME)
          (RETURN (PROG1 (SETQ NEWFILE (\COPYSYS FILE))
			 (COND
			   ((NLISTP NEWFILE)                 (* Continuing in same sysout;
							     reset TOTALTIME in misc stats page to not include the 
							     time before the sysout.)
			     (replace TOTALTIME of \MISCSTATS with TOTALTIMESAVE)
			     (\DEVICEEVENT (QUOTE AFTERDOSYSOUT))
			     (\USEREVENT (QUOTE AFTERDOSYSOUT)))
			   (T                                (* restarting)
			      (\DEVICEEVENT (QUOTE AFTERSYSOUT))
			      (\PROCESS.AFTER.EXIT (QUOTE AFTERSYSOUT))
			      (\RESETOFDS)
			      (INTERPRET.REM.CM)
			      (\USEREVENT (QUOTE AFTERSYSOUT])

(SAVEVM
  [LAMBDA (RELEASEFLG)                                       (* bvm: "14-Feb-85 23:25")
    (DECLARE (GLOBALVARS \OPENFILES))

          (* Save the virtual memory. This is similar to logging out, then back in, but is much faster, since it doesn't lose 
	  any pages. Conceptually, this is like doing a sysout to Lisp.virtualmem)


    (\FLUSHVMOK? (QUOTE SAVEVM))
    (\USEREVENT (QUOTE BEFORESAVEVM))
    (\DEVICEEVENT (QUOTE BEFORESAVEVM))
    (COND
      ((\FLUSHVM)
	(\RESETKEYBOARD)                                     (* Returns T when starting up fresh)
	(\DEVICEEVENT (QUOTE AFTERSAVEVM))
	(SETQ \OPENFILES (\REVALIDATEFILELST \OPENFILES))
	(\PROCESS.AFTER.EXIT (QUOTE AFTERSAVEVM))
	(\USEREVENT (QUOTE AFTERSAVEVM))
	T)
      (T (\DEVICEEVENT (QUOTE AFTERDOSAVEVM))
	 (\USEREVENT (QUOTE AFTERDOSAVEVM])

(HERALD
  [LAMBDA (STR)                                             (* wt: " 2-MAY-79 15:38")
    (AND STR (SETQ HERALDSTRING STR))
    HERALDSTRING])

(\REVALIDATEFILELST
  [LAMBDA (STREAMLST)                                        (* lmm " 6-Sep-84 12:32")

          (* STREAMLST is \OPENFILES or a subset of \OPENFILES, in the case when an event (e.g. a host going down) affects 
	  only some files.)


    (DECLARE (GLOBALVARS \OPENFILES))
    [for (STREAMS ← STREAMLST)
	 STREAM REASON RECLFLG PAGES while STREAMS
       do (COND
	    ([SETQ REASON (\REVALIDATEFILE (SETQ STREAM (CAR STREAMS]
	      [COND
		((AND (EQ REASON (QUOTE DELETED))
		      (EQ STREAM \DRIBBLE.OFD))              (* If Dribble file went away, turn it off quick before 
							     we get in trouble)
		  (UNINTERRUPTABLY
                      (SETQ \DRIBBLE.OFD NIL)
		      (\REMOVEDRIBBLECHECK (TTYDISPLAYSTREAM)))]
	      (COND
		((NOT RECLFLG)                               (* Map down the tail of STREAMLST and smash the CPPTR to
							     NIL first)
		  (for O in STREAMS do (replace CPPTR of O with NIL))
		  (SETQ RECLFLG T)
		  (RECLAIM)))
	      (printout T T T "****WARNING:  The file " (fetch FULLNAME of STREAM))
	      (SELECTQ REASON
		       (CHANGED (SETQ PAGES (RESTOREMAP STREAM))
				(printout T " has been modified since you last accessed it!" T)
				(SETQ STREAMS (CDR STREAMS)))
		       (DELETED (SETQ PAGES (FORGETPAGES STREAM))
				[MAPC (STREAMPROP STREAM (QUOTE AFTERCLOSE))
				      (FUNCTION (LAMBDA (FN)
					  (APPLY* FN STREAM]
				(replace ACCESS of STREAM with NIL)
				[COND
				  ((NEQ STREAMLST \OPENFILES)
				    (SETQ \OPENFILES (DREMOVE STREAM \OPENFILES]
				(COND
				  ((CDR STREAMS)
				    (FRPLNODE2 STREAMS (CDR STREAMS)))
				  (T (SETQ STREAMLST (DREMOVE STREAM STREAMLST))
				     (SETQ STREAMS NIL)))
				(printout T " was previously opened but has disappeared!" T))
		       (SHOULDNT))
	      (AND PAGES (printout T "You had references to the following pages from that file:  " 
				   PAGES T)))
	    (T (SETQ STREAMS (CDR STREAMS]
    STREAMLST])

(INTERPRET.REM.CM
  [LAMBDA (RETFLG)                                           (* bvm: "30-Jan-85 11:25")
    (DECLARE (GLOBALVARS STARTUPFORM))

          (* * Looks at REM.CM and evaluates the form there if the first character of the file is open paren or doublequote.
	  If it's a string, it will be unread,, else the form will be evaluated at the next prompt. For use in INIT.LISP, 
	  among others. If RETFLG is true, the expression read is simply returned)


    (PROG ([FILE (CAR (NLSETQ (OPENSTREAM (QUOTE {DSK}REM.CM;1)
					  (QUOTE BOTH]
	   COM AUXFILE)
          (OR FILE (RETURN))
          [COND
	    ([AND (IGREATERP (GETFILEINFO FILE (QUOTE LENGTH))
			     0)
		  (SELECTQ (SKIPSEPRS FILE T)
			   ((%( %")
			     T)
			   NIL)
		  (SETQ COM (PROGN (SETFILEINFO FILE (QUOTE ENDOFSTREAMOP)
						(FUNCTION ERROR!))
				   (CAR (NLSETQ (READ FILE T]
	      (COND
		(RETFLG                                      (* Save it to return))
		((LISTP COM)                                 (* make it happen at next prompt)
		  (SETQ STARTUPFORM (LIST (QUOTE PROGN)
					  (QUOTE (SETQ PROMPTCHARFORMS (DREMOVE STARTUPFORM 
										PROMPTCHARFORMS)))
					  (LIST (QUOTE PRINT)
						(LIST (QUOTE LISPXEVAL)
						      (KWOTE COM))
						T T)))
		  (SETQ PROMPTCHARFORMS (CONS STARTUPFORM PROMPTCHARFORMS)))
		(T                                           (* Unread a string)
		   (BKSYSBUF COM)))
	      (\SETEOFPTR FILE (COND
			    ((NOT (\EOFP FILE))
			      (SELCHARQ (\PEEKBIN FILE)
					((CR ;)              (* Eat up the command terminator)
					  (\BIN FILE))
					NIL)                 (* Need to rewrite REM.CM with remainder of text)
			      (SETQ AUXFILE (OPENSTREAM (QUOTE {NODIRCORE})
							(QUOTE BOTH)
							(QUOTE NEW)))
			      (COPYBYTES FILE AUXFILE)
			      (SETFILEPTR FILE 0)
			      (COPYBYTES AUXFILE FILE 0 (GETFILEPTR AUXFILE))
			      (CLOSEF AUXFILE)
			      (GETFILEPTR FILE))
			    (T 0]
          (CLOSEF FILE)
          (RETURN (COND
		    (RETFLG COM)
		    (COM T])

(\USEREVENT
  [LAMBDA (EVENT)
    (DECLARE (GLOBALVARS AROUNDEXITFNS))                     (* bvm: "16-Dec-83 15:27")
    (for FN in (SELECTQ EVENT
			((BEFORELOGOUT BEFORESYSOUT BEFORESAVEVM BEFOREMAKESYS)
			  AROUNDEXITFNS)
			(REVERSE AROUNDEXITFNS))
       do (APPLY* FN EVENT])
)

(ADDTOVAR AROUNDEXITFNS )

(RPAQ HERALDSTRING "")

(RPAQQ \USERNAME NIL)
(DECLARE: DOEVAL@COMPILE DONTCOPY

(GLOBALVARS HERALDSTRING USERNAME \USERNAME AROUNDEXITFNS)
)
(DEFINEQ

(USERNAME
  [LAMBDA (FLG STRPTR PRESERVECASE)
                                   (* lmm "28-MAR-82 14:10")
                                   (* On 10, USERNAME can take a user number as arg)
    (PROG (ADDR NAME)
          (SETQ NAME (COND
	      (FLG NIL)
	      ((NEQ 0 (SETQ ADDR (fetch (IFPAGE UserNameAddr) of \InterfacePage)))
		(GetBcplString (\ADDBASE (EMADDRESS 0)
					 ADDR)
			       (EQ STRPTR T)))
	      (T \USERNAME)))
          (OR PRESERVECASE (NULL NAME)
	      (SETQ NAME (U-CASE NAME)))
          (RETURN (COND
		    ((NULL NAME)
		      NIL)
		    ((STRINGP STRPTR)
		      (SUBSTRING NAME 1 -1 STRPTR))
		    (T NAME])

(SETUSERNAME
  [LAMBDA (NAME)                   (* lmm "28-MAR-82 14:11")
                                   (* Changed interpretation of UserName0)
    (COND
      (NAME (PROG ((ADDR (fetch (IFPAGE UserNameAddr) of \InterfacePage)))
	          (RETURN (COND
			    ((NEQ ADDR 0)
			      (SetBcplString (\ADDBASE (EMADDRESS 0)
						       ADDR)
					     NAME)
			      (SETQ USERNAME (USERNAME NIL T)))
			    (T (SETQ \USERNAME (CONCAT NAME])
)
(DECLARE: DOEVAL@COMPILE DONTCOPY

(LOCALVARS . T)
)
(DECLARE: DONTEVAL@LOAD DOEVAL@COMPILE DONTCOPY COMPILERVARS 

(ADDTOVAR NLAMA )

(ADDTOVAR NLAML )

(ADDTOVAR LAMA PACKFILENAME.STRING PACKFILENAME)
)
(PUTPROPS ADIR COPYRIGHT ("Xerox Corporation" 1981 1982 1983 1984 1985))
(DECLARE: DONTCOPY
  (FILEMAP (NIL (1455 6582 (DELFILE 1465 . 1613) (FULLNAME 1615 . 1938) (INFILE 1940 . 2106) (INFILEP 
2108 . 2247) (IOFILE 2249 . 2407) (OPENFILE 2409 . 2570) (OPENSTREAM 2572 . 5742) (OUTFILE 5744 . 5914
) (OUTFILEP 5916 . 6056) (RENAMEFILE 6058 . 6257) (SIMPLE.FINDFILE 6259 . 6580)) (6639 14477 (
UNPACKFILENAME 6649 . 6816) (UNPACKFILENAME.STRING 6818 . 12628) (LASTCHPOS 12630 . 13054) (
\UPF.NEXTPOS 13056 . 13394) (FILENAMEFIELD 13396 . 13749) (PACKFILENAME 13751 . 14102) (
PACKFILENAME.STRING 14104 . 14475)) (19933 29437 (LOGOUT 19943 . 21019) (MAKESYS 21021 . 22267) (
SYSOUT 22269 . 23680) (SAVEVM 23682 . 24614) (HERALD 24616 . 24774) (\REVALIDATEFILELST 24776 . 26821)
 (INTERPRET.REM.CM 26823 . 29126) (\USEREVENT 29128 . 29435)) (29620 30774 (USERNAME 29630 . 30296) (
SETUSERNAME 30298 . 30772)))))
STOP