waddchnstr.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 1997 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include "curses_inc.h"
/*
* Add ncols worth of data to win, using string as input.
* Return the number of chtypes copied.
*/
int
waddchnstr(WINDOW *win, chtype *string, int ncols)
{
short my_x = win->_curx;
short my_y = win->_cury;
int remcols;
int b;
int sw;
int ew;
if (ncols < 0) {
remcols = win->_maxx - my_x;
while (*string && remcols) {
sw = mbscrw((int)(_CHAR(*string)));
ew = mbeucw((int)(_CHAR(*string)));
if (remcols < sw)
break;
for (b = 0; b < ew; b++) {
if (waddch(win, *string++) == ERR)
goto out;
}
remcols -= sw;
}
} else {
remcols = win->_maxx - my_x;
while ((*string) && (remcols > 0) && (ncols > 0)) {
sw = mbscrw((int)(_CHAR(*string)));
ew = mbeucw((int)(_CHAR(*string)));
if ((remcols < sw) || (ncols < ew))
break;
for (b = 0; b < ew; b++) {
if (waddch(win, *string++) == ERR)
goto out;
}
remcols -= sw;
ncols -= ew;
}
}
out:
/* restore cursor position */
win->_curx = my_x;
win->_cury = my_y;
win->_flags |= _WINCHANGED;
/* sync with ancestor structures */
if (win->_sync)
wsyncup(win);
return (win->_immed ? wrefresh(win) : OK);
}