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SUBROUTINE WRITSB(LUNIT) 5,11
C$$$ SUBPROGRAM DOCUMENTATION BLOCK
C
C SUBPROGRAM: WRITSB
C PRGMMR: WOOLLEN ORG: NP20 DATE: 1994-01-06
C
C ABSTRACT: THIS SUBROUTINE SHOULD ONLY BE CALLED WHEN LOGICAL UNIT
C LUNIT HAS BEEN OPENED FOR OUTPUT OPERATIONS. IT PACKS UP THE
C CURRENT SUBSET WITHIN MEMORY AND THEN TRIES TO ADD IT TO THE
C BUFR MESSAGE THAT IS CURRENTLY OPEN WITHIN MEMORY FOR THIS LUNIT.
C THE DETERMINATION AS TO WHETHER OR NOT THE SUBSET CAN BE ADDED TO
C THE MESSAGE IS MADE VIA AN INTERNAL CALL TO ONE OF THE BUFR ARCHIVE
C LIBRARY SUBROUTINES WRCMPS OR MSGUPD, DEPENDING UPON WHETHER OR NOT
C THE MESSAGE IS COMPRESSED. IF IT TURNS OUT THAT THE SUBSET CANNOT
C BE ADDED TO THE CURRENTLY OPEN MESSAGE, THEN THAT MESSAGE IS
C FLUSHED TO LUNIT AND A NEW ONE IS CREATED IN ORDER TO HOLD THE
C SUBSET.
C
C PROGRAM HISTORY LOG:
C 1994-01-06 J. WOOLLEN -- ORIGINAL AUTHOR
C 1998-07-08 J. WOOLLEN -- REPLACED CALL TO CRAY LIBRARY ROUTINE
C "ABORT" WITH CALL TO NEW INTERNAL BUFRLIB
C ROUTINE "BORT"
C 2003-11-04 J. ATOR -- ADDED DOCUMENTATION
C 2003-11-04 S. BENDER -- ADDED REMARKS/BUFRLIB ROUTINE
C INTERDEPENDENCIES
C 2003-11-04 D. KEYSER -- UNIFIED/PORTABLE FOR WRF; ADDED HISTORY
C DOCUMENTATION; OUTPUTS MORE COMPLETE
C DIAGNOSTIC INFO WHEN ROUTINE TERMINATES
C ABNORMALLY
C 2005-03-09 J. ATOR -- ADDED CAPABILITY FOR COMPRESSED MESSAGES
C
C USAGE: CALL WRITSB
(LUNIT)
C INPUT ARGUMENT LIST:
C LUNIT - INTEGER: FORTRAN LOGICAL UNIT NUMBER FOR BUFR FILE
C
C REMARKS:
C THIS ROUTINE CALLS: BORT MSGUPD STATUS WRCMPS
C WRTREE
C THIS ROUTINE IS CALLED BY: COPYSB WRITCP
C Also called by application programs.
C
C ATTRIBUTES:
C LANGUAGE: FORTRAN 77
C MACHINE: PORTABLE TO ALL PLATFORMS
C
C$$$
COMMON /MSGCMP/ CCMF
CHARACTER*1 CCMF
C-----------------------------------------------------------------------
C-----------------------------------------------------------------------
C CHECK THE FILE STATUS
C ---------------------
CALL STATUS(LUNIT,LUN,IL,IM)
IF(IL.EQ.0) GOTO 900
IF(IL.LT.0) GOTO 901
IF(IM.EQ.0) GOTO 902
C PACK UP THE SUBSET AND PUT IT INTO THE MESSAGE
C ----------------------------------------------
CALL WRTREE(LUN)
IF( CCMF.EQ.'Y' ) THEN
CALL WRCMPS(LUNIT)
ELSE
CALL MSGUPD(LUNIT,LUN)
ENDIF
C EXITS
C -----
RETURN
900 CALL BORT('BUFRLIB: WRITSB - OUTPUT BUFR FILE IS CLOSED, IT '//
. 'MUST BE OPEN FOR OUTPUT')
901 CALL BORT('BUFRLIB: WRITSB - OUTPUT BUFR FILE IS OPEN FOR '//
. 'INPUT, IT MUST BE OPEN FOR OUTPUT')
902 CALL BORT('BUFRLIB: WRITSB - A MESSAGE MUST BE OPEN IN OUTPUT '//
. 'BUFR FILE, NONE ARE')
END