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[unix-history] / usr / src / usr.bin / window / wwbox.c

#ifndef lint
static char sccsid[] = "@(#)wwbox.c	3.4 %G%";
#endif

/*
 * Copyright (c) 1983 Regents of the University of California,
 * All rights reserved.  Redistribution permitted subject to
 * the terms of the Berkeley Software License Agreement.
 */

#include "ww.h"
#include "tt.h"

wwbox(w, r, c, nr, nc)
register struct ww *w;
register r, c;
int nr, nc;
{
	register r1, c1;
	register i;

	r1 = r + nr - 1;
	c1 = c + nc - 1;
	wwframec(w, r, c, WWF_D|WWF_R);
	for (i = c + 1; i < c1; i++)
		wwframec(w, r, i, WWF_L|WWF_R);
	wwframec(w, r, i, WWF_L|WWF_D);
	for (i = r + 1; i < r1; i++)
		wwframec(w, i, c1, WWF_U|WWF_D);
	wwframec(w, i, c1, WWF_U|WWF_L);
	for (i = c1 - 1; i > c; i--)
		wwframec(w, r1, i, WWF_R|WWF_L);
	wwframec(w, r1, i, WWF_R|WWF_U);
	for (i = r1 - 1; i > r; i--)
		wwframec(w, i, c, WWF_D|WWF_U);
}