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 %TITLE 'FPUTCHAR - store a character in the format buffer'
MODULE FPUTCHAR (				! Store a character in the format buffer
		IDENT = '3-002'			! File: FPUTCHAR.BLI Edit: GCJB002
		) =
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:
!
!	Store a character in the format buffer.  Write out the buffer
!	if it overflows.
!
! ENVIRONMENT:	Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: March 18, 1979
!
! MODIFIED BY:
!
! 1-001	- Original.  DJS 19-FEB-1981.  This module was created by
!	extracting routine EDT$$PUT_CH  from module FORMAT.
! 1-002	- Regularize headers.  JBS 05-Mar-1981
! 1-003	- Use EDT$$K_FMT_BUFLEN.  JBS 29-Sep-1982
! 1-004	- Fix a local symbol name.  JBS 04-Jan-1983
! 3-001 - Add updates from V3 source kit.  GB 27-Apr-1983
! 3-002 - Add FMT_FREE to improve speed of format routines. CJG 11-Jan-1984
!--

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

REQUIRE 'EDTSRC:TRAROUNAM';

FORWARD ROUTINE
    EDT$$STORE_FMTCH : NOVALUE;

!
! INCLUDE FILES:
!

REQUIRE 'EDTSRC:EDTREQ';

!
! MACROS:
!
!	NONE
!
! EQUATED SYMBOLS:
!
!	NONE
!
! OWN STORAGE:
!
!	NONE
!
! EXTERNAL REFERENCES:
!
!	In the routine
%SBTTL 'EDT$$STORE_FMTCH  - store a character in the format buffer'

GLOBAL ROUTINE EDT$$STORE_FMTCH (		! Store a character in the format buffer
	C					! The character to store
    ) : NOVALUE =

!++
! FUNCTIONAL DESCRIPTION:
!
!	Place a character in the formatted output buffer.  If the pointer is at the
!	end of the buffer then write out the line and start over again.
!
! FORMAL PARAMETERS:
!
!  C			The character to put out.
!
! IMPLICIT INPUTS:
!
!	FMT_BUF
!	FMT_CUR
!	FMT_FREE
!	FMT_LNPOS
!
! IMPLICIT OUTPUTS:
!
!	NONE
!
! ROUTINE VALUE:
!
!	NONE
!
! SIDE EFFECTS:
!
!	NONE
!
!--

    BEGIN

    EXTERNAL ROUTINE
	EDT$$OUT_FMTBUF;

    EXTERNAL
	FMT_BUF : BLOCK [CH$ALLOCATION (FMT_BUFLEN, BYTE_SIZE)],
					! The formatted output buffer
	FMT_CUR,			! Pointer to next character in above
	FMT_FREE,			! Space left in format buffer
	FMT_LNPOS;			! The current column number

    LOCAL
	SAV_LNPOS;


!+
! Check for end of buffer.
!-

    IF (.FMT_FREE EQL 0)
    THEN
	BEGIN
	SAV_LNPOS = .FMT_LNPOS;
	EDT$$OUT_FMTBUF ();
	FMT_LNPOS = .SAV_LNPOS;
	END;

    CH$WCHAR_A (.C, FMT_CUR);
    FMT_FREE = .FMT_FREE - 1;
    END;


END
ELUDOM