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sinit.
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INTEGER FUNCTION SINIT (X)
C
C ****************************************************************
C
C KERMIT for the MODCOMP MAXIV operating system
C
C Compliments of:
C
C SETPOINT, Inc.
C 10245 Brecksville Rd.
C Brecksville, Ohio 44141
C
C
C KERMIT is a copyrighted protocol of Columbia Univ. The authors
C of this version hereby grant permission to copy this software
C provided that it is not used for an explicitly commercial
C purpose and that proper credit be given. SETPOINT, Inc. makes
C no warranty whatsoever regarding the accuracy of this package
C and will assume no liability resulting from it's use.
C
C ****************************************************************
C
C Abstract: Send an initial packet for the first connection
C Tell the other Kermit what my parameters are.
C
C MODIFICATION HISTORY
C
C BY DATE REASON PROGRAMS AFFECTED
C
C ****************************************************************
C
C Author: Rick Burke Version: A.0 Date: Sep-86
C
C Calling Parameters:
C
C R X - Dummy argument required by FORTRAN
C
C ****************************************************************
C
C Messages generated by this module : None
C
C ****************************************************************
C
C Subroutines called directly : DGETLI, MOD, PACK, POSUSL,
C RPACK, RPAR, SCOPY, SPACK,
C SPAR
C
C ****************************************************************
C
C Files referenced : None
C
C ****************************************************************
C
C Local variable definitions :
C
C FOUND - Flag indicating existing file name found
C LEN - Length of received apcket
C NUM - Number of received packet
C SCRUFT - UFT of assigned to scratch partition
C with list of files to be sent
C STATUS - Status of received packet
C TNUM - Number of transmitted packet
C TEMP - Function value returned by DGETLI
C TV1 - Temporary variable
C TV2 - Temporary variable
C ALIN(132) - File name buffer
C
C ****************************************************************
C
C Commons referenced : KER and KERPAR local commons
C
C ****************************************************************
C
C (*$END.DOCUMENT*)
C
C ****************************************************************
C * *
C * D I M E N S I O N S T A T E M E N T S *
C * *
C ****************************************************************
C
IMPLICIT INTEGER (A-Z)
C
INTEGER*2 ALIN(132), FNAM(4)
C
C ****************************************************************
C * *
C * T Y P E S T A T E M E N T S *
C * *
C ****************************************************************
C
LOGICAL*2 FOUND
C
C ****************************************************************
C * *
C * C O M M O N S T A T E M E N T S *
C * *
C ****************************************************************
C
INCLUDE USL/KERCOM
INCLUDE USL/KERPMC
INCLUDE USL/UFTTBC
C
C ****************************************************************
C * *
C * E Q U I V A L E N C E S T A T E M E N T S *
C * *
C ****************************************************************
C
C
C ****************************************************************
C * *
C * D A T A S T A T E M E N T S *
C * *
C ****************************************************************
C
DATA SCRUFT /9/
C
C ****************************************************************
C
C Code starts here :
C
C-----> Assume an error.
C
SINIT = BIGA
C
C-----> Check if maximum number of retries exceeded.
C
IF (NUMTRY .GT. MAXTRY) RETURN
NUMTRY = NUMTRY+1
C
C-----> Get my required parameters.
C
CALL SPAR (PACKET)
C
C-----> and send them to the remote.
C
TNUM = N
TV1 = BIGS
TV2 = 6
CALL SPACK (TV1,TNUM,TV2,PACKET)
STATUS = RPACK (LEN,NUM,RECPKT)
C
C-----> Was the reply a NAK? Branch if not.
C
IF (STATUS .NE.BIGN) GO TO 10
IF (N .NE. NUM-1) SINIT = STATE
RETURN
10 CONTINUE
C
C-----> Was the reply an ACK? Branch if not.
C
IF (STATUS .NE. BIGY) GO TO 60
IF (N .EQ. NUM) GO TO 20
SINIT = STATE
RETURN
20 CONTINUE
CALL RPAR (RECPKT)
C
C-----> Reset the retry counter and bump the packet number.
C
NUMTRY = 0
N = MOD (N+1,64)
C
C-----> Get a valid file name from the file list.
C
30 CONTINUE
SCRLUN = IUFT(2,SCRUFT)
READ (SCRLUN,1000,END=70) FNAM
1000 FORMAT (4A2)
CALL POSUSL (IUFT(2,7),FNAM,FOUND)
IF (.NOT. FOUND) GO TO 30
DO 40 I=1,8
IWORD = FNAM((I+1)/2)
IF (MOD(I,2) .NE. 0) FILNAM(I) = ISHFT (IWORD,-8)
IF (MOD(I,2) .EQ. 0) FILNAM(I) = IAND (IWORD,4Z00FF)
IF (FILNAM(I) .EQ. 0 .OR.
> FILNAM(I) .EQ. BLANK ) GO TO 50
40 CONTINUE
I = 9
50 CONTINUE
FILNAM(I) = LF
FILNAM(I+1) = EOS
SINIT = BIGF
RETURN
60 CONTINUE
C
C-----> Handle a checksum error or unexpected packet type.
C
IF (STATUS .EQ. BAD) SINIT = STATE
RETURN
70 CONTINUE
RETURN
END