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 %TITLE 'TISAVE - buffer a character for the journal file'
MODULE TISAVE (				! Buffer a character for the journal file
		IDENT = '3-003'			! File: TISAVE.BLI Edit: CJG3003
		) =
BEGIN
!COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1981, 1988.  ALL RIGHTS RESERVED.
!
!THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED ONLY
!IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE INCLUSION OF 
!THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR ANY OTHER COPIES THEREOF MAY 
!NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY OTHER PERSON.  NO TITLE
!TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY TRANSFERRED.
!
!THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE AND 
!SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
!
!DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS 
!SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
!
!
!++
! FACILITY:	EDT -- The DEC Standard Editor
!
! ABSTRACT:
!
!	Buffer a character for the journal file.
!
! ENVIRONMENT:	Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: June 9, 1979
!
! MODIFIED BY:
!
! 1-001	- Original.  DJS 18-FEB-1981.  This module was created by
!	extracting routine EDT$$TI_BUFCH  from module TINPUT.
! 1-002	- Regularize headers.  JBS 11-Mar-1981
! 1-003	- Change call to EDT$$TI_FLUSHJOUFI .  JBS 18-Jun-1981
! 3-001 - Modify operation of journal buffer for TOPS-20. CJG 15-Jun-1983
! 3-002 - Add EDT$$TI_BUFSTR to speed up journalling. CJG 15-Jun-1983
! 3-003 - Guard against bad length in TI_BUFSTR. CJG 8-Jul-1983
!--

%SBTTL 'Declarations'
!
! TABLE OF CONTENTS:
!

REQUIRE 'EDTSRC:TRAROUNAM';

FORWARD ROUTINE
    EDT$$TI_BUFSTR : NOVALUE,
    EDT$$TI_BUFCH : NOVALUE;

!
! INCLUDE FILES:
!

REQUIRE 'EDTSRC:EDTREQ';

!
! MACROS:
!
!	NONE
!
! EQUATED SYMBOLS:
!
!	NONE
!
! OWN STORAGE:
!
!	NONE
!
! EXTERNAL REFERENCES:
!
!	In the routine
%SBTTL 'EDT$$TI_BUFCH  - buffer a character for the journal file'

GLOBAL ROUTINE EDT$$TI_BUFCH (			! Buffer a character for the journal file
	BUF					! Character to be buffered
    ) : NOVALUE =

!++
! FUNCTIONAL DESCRIPTION:
!
!	This routine saves a character for the journal file.  If the journal
!	output buffer is full, then it is written out, then the character
!	is placed in the buffer.
!
! FORMAL PARAMETERS:
!
!  BUF 			The character to be saved.
!
! IMPLICIT INPUTS:
!
!	TIN_OBUF
!	TIN_OBUFPOS
!
! IMPLICIT OUTPUTS:
!
!	TIN_OBUFPOS
!
! ROUTINE VALUE:
!
!	NONE
!
! SIDE EFFECTS:
!
!	May write a record on the journal file.
!
!--

    BEGIN

    EXTERNAL ROUTINE
	EDT$$TI_FLUSHJOUFI : NOVALUE;

    EXTERNAL
	TIN_OBUF : VECTOR [CH$ALLOCATION (256, BYTE_SIZE)],	! The journal buffer
	TIN_OBUFPOS;			! Position in journal output buffer

    IF (.TIN_OBUFPOS EQL 254) THEN EDT$$TI_FLUSHJOUFI (%C'T');

    CH$WCHAR (.BUF, CH$PTR (TIN_OBUF, .TIN_OBUFPOS, BYTE_SIZE));
    TIN_OBUFPOS = .TIN_OBUFPOS + 1;
    END;

%SBTTL 'EDT$$TI_BUFSTR  - buffer a string for the journal file'

GLOBAL ROUTINE EDT$$TI_BUFSTR (			! Buffer a string for the journal file
	BUF,					! Byte pointer to string
	LEN					! Length of string
    ) : NOVALUE =

!++
! FUNCTIONAL DESCRIPTION:
!
!	This routine saves a string for the journal file.  If the journal
!	output buffer is full, then it is written out, then the string
!	is placed in the buffer.
!
! FORMAL PARAMETERS:
!
!  BUF 			Pointer to string to save
!  LEN			Length of string
!
! IMPLICIT INPUTS:
!
!	TIN_OBUF
!	TIN_OBUFPOS
!
! IMPLICIT OUTPUTS:
!
!	TIN_OBUFPOS
!
! ROUTINE VALUE:
!
!	NONE
!
! SIDE EFFECTS:
!
!	May write a record on the journal file.
!
!--

    BEGIN

    EXTERNAL ROUTINE
	EDT$$TI_FLUSHJOUFI : NOVALUE;

    EXTERNAL
	TIN_OBUF : VECTOR [CH$ALLOCATION (256, BYTE_SIZE)],	! The journal buffer
	TIN_OBUFPOS;			! Position in journal output buffer

    IF (.LEN LEQ 0) THEN RETURN;

    IF ((.LEN + .TIN_OBUFPOS) GEQ 254) THEN EDT$$TI_FLUSHJOUFI (%C'T');

    CH$MOVE (.LEN, .BUF, CH$PTR (TIN_OBUF, .TIN_OBUFPOS, BYTE_SIZE));
    TIN_OBUFPOS = .TIN_OBUFPOS + .LEN;
    END;


END
ELUDOM