. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
197 lines
4.9 KiB
C
197 lines
4.9 KiB
C
/* $NetBSD: in_wchstr.c,v 1.3 2009/07/22 16:57:14 roy Exp $ */
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/*
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* Copyright (c) 2005 The NetBSD Foundation Inc.
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* All rights reserved.
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*
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* This code is derived from code donated to the NetBSD Foundation
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* by Ruibiao Qiu <ruibiao@arl.wustl.edu,ruibiao@gmail.com>.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: in_wchstr.c,v 1.3 2009/07/22 16:57:14 roy Exp $");
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#endif /* not lint */
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#include "curses.h"
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#include "curses_private.h"
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/*
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* in_wchstr, in_wchnstr --
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* Return an array of wide characters at cursor position from stdscr.
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*/
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__warn_references(in_wchstr,
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"warning: this program uses in_wchstr(), which is unsafe.")
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int
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in_wchstr(cchar_t *wchstr)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return win_wchstr(stdscr, wchstr);
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#endif /* HAVE_WCHAR */
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}
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int
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in_wchnstr(cchar_t *wchstr, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return win_wchnstr(stdscr, wchstr, n);
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#endif /* HAVE_WCHAR */
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}
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/*
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* mvin_wchstr, mv_winchnstr --
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* Return an array of wide characters at position (y, x) from stdscr.
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*/
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__warn_references(mvin_wchstr,
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"warning: this program uses mvin_wchstr(), which is unsafe.")
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int
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mvin_wchstr(int y, int x, cchar_t *wchstr)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return mvwin_wchstr(stdscr, y, x, wchstr);
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#endif /* HAVE_WCHAR */
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}
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int
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mvin_wchnstr(int y, int x, cchar_t *wchstr, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return mvwin_wchnstr(stdscr, y, x, wchstr, n);
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#endif /* HAVE_WCHAR */
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}
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/*
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* mvwin_wchstr, mvwin_wchnstr --
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* Return an array wide characters at position (y, x) from the given window.
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*/
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__warn_references(mvwin_wchstr,
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"warning: this program uses mvwin_wchstr(), which is unsafe.")
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int
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mvwin_wchstr(WINDOW *win, int y, int x, cchar_t *wchstr)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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if (wmove(win, y, x) == ERR)
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return ERR;
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return win_wchstr(win, wchstr);
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#endif /* HAVE_WCHAR */
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}
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int
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mvwin_wchnstr(WINDOW *win, int y, int x, cchar_t *wchstr, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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if (wmove(win, y, x) == ERR)
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return ERR;
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return win_wchnstr(win, wchstr, n);
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#endif /* HAVE_WCHAR */
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}
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/*
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* win_wchstr, win_wchnstr --
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* Return an array of characters at cursor position.
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*/
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__warn_references(win_wchstr,
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"warning: this program uses win_wchstr(), which is unsafe.")
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int
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win_wchstr(WINDOW *win, cchar_t *wchstr)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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return win_wchnstr(win, wchstr, -1);
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#endif /* HAVE_WCHAR */
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}
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/*
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* - SUSv2/xcurses doesn't document whether the trailing 0 is included
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* in the length count or not. For safety's sake it _is_ included.
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*/
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int
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win_wchnstr(WINDOW *win, cchar_t *wchstr, int n)
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{
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#ifndef HAVE_WCHAR
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return ERR;
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#else
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__LDATA *start;
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int x = 0, cw = 0, cnt = 0;
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cchar_t *wcp;
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nschar_t *np;
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if (wchstr == NULL)
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return ERR;
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start = &win->alines[win->cury]->line[win->curx];
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x = win->curx;
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cw = WCOL(*start);
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if (cw < 0) {
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start += cw;
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x += cw;
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}
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wcp = wchstr;
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/* (n - 1) to leave room for the trailing 0 element */
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while ((x < win->maxx) && ((n < 0) || ((n > 1) && (cnt < n - 1)))) {
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cw = WCOL( *start );
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wcp->vals[ 0 ] = start->ch;
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wcp->attributes = start->attr;
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wcp->elements = 1;
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np = start->nsp;
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if (np) {
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do {
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wcp->vals[ wcp->elements++ ] = np->ch;
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np = np->next;
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} while ( np );
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}
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wcp++;
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cnt++;
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x += cw;
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if ( x < win->maxx )
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start += cw;
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}
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wcp->vals[ 0 ] = L'\0';
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wcp->elements = 1;
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wcp->attributes = win->wattr;
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return OK;
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#endif /* HAVE_WCHAR */
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}
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