mbinch.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1997, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses_inc.h"
/*
* Get the(y, x) character of a window and
* return it in a 0-terminated string.
*/
char
*wmbinch(WINDOW *win, int y, int x)
{
short savx, savy;
int k;
chtype *wp, *ep, wc;
static char rs[CSMAX + 1];
k = 0;
savx = win->_curx;
savy = win->_cury;
if (wmbmove(win, y, x) == ERR)
goto done;
wp = win->_y[win->_cury] + win->_curx;
wc = RBYTE(*wp);
ep = wp + _curs_scrwidth[TYPE(wc & 0377)];
for (; wp < ep; ++wp) {
if ((wc = RBYTE(*wp)) == MBIT)
break;
/*LINTED*/
rs[k++] = (char)wc;
if ((wc = LBYTE(*wp)|MBIT) == MBIT)
break;
/*LINTED*/
rs[k++] = (char)wc;
}
done :
win->_curx = savx;
win->_cury = savy;
rs[k] = '\0';
return (rs);
}