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 %TITLE 'CHMINSTAB - reach a column'
MODULE CHMINSTAB (				! Reach a column
		IDENT = '1-002'			! File: CHMINSTAB.BLI Edit: JBS1002
		) =
BEGIN
!
!			  COPYRIGHT (c) 1981, 1985 BY
!	      DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
!		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 WHICH IS NOT SUPPLIED BY DIGITAL.
!

!++
! FACILITY:	EDT -- The DEC Standard Editor
!
! ABSTRACT:
!
!	This module does (change mode) insertion of tabs and
!	spaces to bring the cursor to a given column.
!
! ENVIRONMENT:	Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: Unknown
!
! MODIFIED BY:
!
! 1-001	- Original.  DJS 04-Feb-1981.  This module was created by
!	extracting the routine INSERT_TABS from module CHANGE.BLI
! 1-002	- Regularize headers.  JBS 03-Mar-1981
!--

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

REQUIRE 'EDTSRC:TRAROUNAM';

FORWARD ROUTINE
    EDT$$MOV_TOCOL;				! Insert tabs and spaces

!
! INCLUDE FILES:
!

REQUIRE 'EDTSRC:EDTREQ';

!
! MACROS:
!
!	NONE
!
! EQUATED SYMBOLS:
!
!	NONE
!
! OWN STORAGE:
!
!	NONE
!
! EXTERNAL REFERENCES:
!
!	In the routine
%SBTTL 'EDT$$MOV_TOCOL  - reach a column'

GLOBAL ROUTINE EDT$$MOV_TOCOL (			! Reach a column
	COUNT					! Number of columns to move
    ) =

!++
! FUNCTIONAL DESCRIPTION:
!
!	This routine inserts enough tabs and spaces to bring us to the
!	column specified by count.
!
! FORMAL PARAMETERS:
!
!  COUNT		Number of columns to move
!
! IMPLICIT INPUTS:
!
!	NONE
!
! IMPLICIT OUTPUTS:
!
!	NONE
!
! ROUTINE VALUE:
!
!	1 is returned if it succeeds, 0 if the line overflows.
!
! SIDE EFFECTS:
!
!	NONE
!
!--

    BEGIN

    EXTERNAL ROUTINE
	EDT$$INS_STR;				! Insert a string of characters at the current position

!+
! Insert count/8 tabs.
!-

    INCR I FROM 1 TO .COUNT/8 DO

	IF (EDT$$INS_STR (CH$PTR (UPLIT (%CHAR (ASC_K_TAB))), 1) EQL 0)
	THEN
	    RETURN (0);

!+
! Insert count mod 8 spaces.
!-

    INCR I FROM 1 TO .COUNT MOD 8 DO

	IF (EDT$$INS_STR (CH$PTR (UPLIT (' ')), 1) EQL 0)
	THEN
	    RETURN (0);

    RETURN (1);
    END;


END
ELUDOM