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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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get_position.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: get_position
|Callby: command edit show_param
|Purpose: Returns the record number and byte offset from the beginning of the
| file of the cursor location.
|Arguments:
| record is the return record number.
| byte is the returned byte offset from beginning of file.
\******************************************************************************/
void get_position(record,byte)
Int *record;
Int *byte;
{
register rec_ptr r;
Int bc,rc;
for(r = BASE->next,rc = bc = 0;r != CURREC;r = r->next)
{
rc++;
bc += r->length + 1;
}
*record = ++rc;
*byte = ++bc + CURBYT;
}