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	TITLE HSTTST -- test HSTNAM module
	SUBTTL Mark Crispin 20-Apr-83

	SEARCH MACSYM,MONSYM	; system definitions
	SALL			; suppress macro expansions
	.DIRECTIVE FLBLST	; sane listings for ASCIZ, etc.
	.TEXT "/NOINITIAL"	; suppress loading of JOBDAT
	.TEXT "HSTTST/SAVE"	; save as HSTTST.EXE
	.TEXT "/SYMSEG:PSECT:CODE" ; put symbol table and patch w/ code
	.REQUIRE HSTNAM		; host name routines
	.REQUIRE SYS:MACREL	; macsym support routines
	EXTERN $GTCAN,$GTLCL	; routines invoked externally

; AC definitions
A=1				; temporary, JSYS AC's
B=2
C=3
D=4
P=17				; stack pointer

HSTNML==^D64			; maximum number of characters in host name
HSTBFL==<HSTNML/5>+1		; length of host buffer
PDLLEN==^D200			; stack length

	.PSECT DATA,1000	; enter data area

CURREG:	BLOCK 1			; current registry start
HSTBUF:	BLOCK HSTBFL		; host name buffers
HS2BUF:	BLOCK HSTBFL
PDL:	BLOCK PDLLEN		; stack

	.ENDPS

	.PSECT CODE,40000	; enter code area

HSTTST:	RESET%			; flush all I/O
	MOVE P,[IOWD PDLLEN,PDL] ; load stack pointer
	HRROI A,HSTBUF		; get local host name
	CALL $GTLCL
	IFNSK.
	  TMSG <?Unable to get local host name>
	  HALTF%
	  JRST HSTTST
	ENDIF.
	TMSG <Primary local name registry: >
	HRROI A,HSTBUF		; output local name
	PSOUT%
	TMSG <
>
	DO.
	  TMSG <Host name: >	; prompt for another host name
	  HRROI A,HSTBUF	; get another name
	  MOVX B,RD%BEL!RD%CRF!HSTNML ; break on end of line
	  HRROI C,[ASCIZ/Host name: /] ; prompt text
	  RDTTY%		; read the name
	  IFJER.
	    TMSG <?RDTTY% error>
	    HALTF%
	    JRST .-1
	  ENDIF.
	  SETZ B,		; tie off string with null
	  DPB B,A
	  SETOB C,CURREG	; initially try all registries
	  DO.
	    HRROI A,HSTBUF	; now, get its host address and registry
	    HRROI B,HS2BUF	; and canonical name
	    CALL $GTCAN
	    IFSKP.
	      SKIPL CURREG	; first time?
	      IFSKP.
		TMSG <(Primary) >
	      ENDIF.
	      MOVEM C,CURREG	; save registry pointer
	      HLRO A,(C)	; protocol name
	      PSOUT%
	      TMSG < registry is >
	      HRROI A,HS2BUF	; output primary registry name
	      PSOUT%
	      TMSG <, address >
	      MOVEI A,.PRIOU	; output address
	      MOVX C,NO%MAG!^D8	; as an unsigned octal number
	      NOUT%
	       NOP
	      TMSG < (octal)
>
	    ELSE.
	      SKIPL CURREG	; any successful lookups?
	      IFSKP.
		TMSG <?No such host registered
>				; no, complain
	      ENDIF.
	    ENDIF.
	    AOS C,CURREG	; start at next registry
	    SKIPE (C)		; end of list?
	     LOOP.		; no, try further
	  ENDDO.
	  LOOP.
	ENDDO.

	END HSTTST