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C/C++ Users Group Library 1996 July
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C-C++ Users Group Library July 1996.iso
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vol_400
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424_02
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ED-157
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tabstop.c
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C/C++ Source or Header
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1993-09-10
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/*
* Copyright (C) 1992 by Rush Record (rhr@clio.rice.edu)
*
* This file is part of ED.
*
* ED is free software; you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Foundation.
*
* ED is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with ED
* (see the file COPYING). If not, write to the Free Software Foundation, 675
* Mass Ave, Cambridge, MA 02139, USA.
*/
#include "opsys.h"
#include "rec.h"
#include "window.h"
#include "ed_dec.h"
/******************************************************************************\
|Routine: tabstop
|Callby: find_column get_column inquire right_arrow
|Purpose: Returns the column number of the next tab stop following a given column.
|Arguments:
| col is the column to start at.
\******************************************************************************/
Int tabstop(col)
register Int col;
{
register Int i,cur,lim;
register Char *c;
cur = CUR_TAB_SETUP;
lim = TAB_LENGTH[cur];
if((i = col) >= lim)
return(col - (col & 7) + 8);
c = TAB_STRING[cur];
do
{
i++;
} while(c[i] != 't' && i < lim);
return(i);
}