winwchnstr.c revision 2
2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/* Copyright (c) 1988 AT&T */
2N/A/* All Rights Reserved */
2N/A
2N/A
2N/A/*
2N/A * Copyright (c) 1997, by Sun Microsystems, Inc.
2N/A * All rights reserved.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*LINTLIBRARY*/
2N/A
2N/A#include <sys/types.h>
2N/A#include "curses_inc.h"
2N/A
2N/A/*
2N/A * Read in ncols worth of data from window win and assign the
2N/A * chars to string. NULL terminate string upon completion.
2N/A * Return the number of chtypes copied.
2N/A */
2N/A
2N/Aint
2N/Awinwchnstr(WINDOW *win, chtype *string, int ncols)
2N/A{
2N/A chtype *ptr = &(win->_y[win->_cury][win->_curx]);
2N/A int counter = 0;
2N/A int maxcols = win->_maxx - win->_curx;
2N/A int scrw, s, wc;
2N/A char *mp, mbbuf[CSMAX+1];
2N/A wchar_t wch;
2N/A chtype rawc;
2N/A chtype attr;
2N/A
2N/A if (ncols < 0)
2N/A ncols = MAXINT;
2N/A
2N/A while (ISCBIT(*ptr)) {
2N/A ptr--;
2N/A maxcols++;
2N/A }
2N/A
2N/A while ((counter < ncols) && maxcols > 0) {
2N/A attr = *ptr & A_WATTRIBUTES;
2N/A rawc = *ptr & A_WCHARTEXT;
2N/A (void) mbeucw((int)RBYTE(rawc));
2N/A scrw = mbscrw((int)RBYTE(rawc));
2N/A for (mp = mbbuf, s = 0; s < scrw; s++, maxcols--, ptr++) {
2N/A if ((wc = (int)RBYTE(rawc)) == MBIT)
2N/A continue;
2N/A /* LINTED */
2N/A *mp++ = (char) wc;
2N/A if ((wc = (int)(LBYTE(rawc) | MBIT)) == MBIT)
2N/A continue;
2N/A /* LINTED */
2N/A *mp++ = (char) wc;
2N/A }
2N/A *mp = '\0';
2N/A if (_curs_mbtowc(&wch, mbbuf, CSMAX) <= 0)
2N/A break;
2N/A *string++ = wch | attr;
2N/A counter++;
2N/A }
2N/A if (counter < ncols)
2N/A *string = (chtype) 0;
2N/A return (counter);
2N/A}