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C*GRTTER -- test whether device is user's terminal (VMS)
C+
SUBROUTINE GRTTER(STRING, SAME)
CHARACTER*(*) STRING
LOGICAL SAME
C
C Return a logical flag indicating whether the supplied device
C name is a name for the user's controlling terminal or not.
C (Some PGPLOT programs wish to take special action if they are
C plotting on the user's terminal.)
C
C Arguments:
C STRING : (input) the device name to be tested.
C SAME : (output) .TRUE. is STRING contains a valid name for the
C user's terminal; .FALSE. otherwise.
C--
C 9-Feb-1988
C-----------------------------------------------------------------------
INTEGER LIB$GETDVI
INTEGER IER1, IER2, L1, L2
CHARACTER*255 DEV1, DEV2
EXTERNAL DVI$_FULLDEVNAM
C
IER1 = LIB$GETDVI(%LOC(DVI$_FULLDEVNAM), , STRING, ,
1 DEV1, L1)
IER2 = LIB$GETDVI(%LOC(DVI$_FULLDEVNAM), , 'TT:', ,
1 DEV2, L2)
SAME = (IER1.EQ.1) .AND. (IER2.EQ.1) .AND.
1 (L1.EQ.L2) .AND. (DEV1(:L1).EQ.DEV2(:L2))
END
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