. abandons mixer, gomoku, talk, talkd, top from base system . compile top with clang so no ack-compiled program needs -lcurses any more
338 lines
7.6 KiB
C
338 lines
7.6 KiB
C
/* $NetBSD: add_wchstr.c,v 1.4 2010/02/23 19:48:26 drochner 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: add_wchstr.c,v 1.4 2010/02/23 19:48:26 drochner Exp $");
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#endif /* not lint */
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#include <stdlib.h>
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#include "curses.h"
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#include "curses_private.h"
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/*
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* add_wchstr --
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* Add a wide string to stdscr starting at (_cury, _curx).
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*/
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int
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add_wchstr(const 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 wadd_wchnstr(stdscr, wchstr, -1);
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#endif
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}
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/*
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* wadd_wchstr --
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* Add a string to the given window starting at (_cury, _curx).
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*/
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int
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wadd_wchstr(WINDOW *win, const 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 wadd_wchnstr(win, wchstr, -1);
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#endif
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}
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/*
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* add_wchnstr --
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* Add a string (at most n characters) to stdscr starting
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* at (_cury, _curx). If n is negative, add the entire string.
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*/
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int
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add_wchnstr(const 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 wadd_wchnstr(stdscr, wchstr, n);
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#endif
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}
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/*
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* mvadd_wchstr --
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* Add a string to stdscr starting at (y, x)
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*/
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int
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mvadd_wchstr(int y, int x, const 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 mvwadd_wchnstr(stdscr, y, x, wchstr, -1);
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#endif
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}
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/*
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* mvwadd_wchstr --
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* Add a string to the given window starting at (y, x)
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*/
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int
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mvwadd_wchstr(WINDOW *win, int y, int x, const 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 mvwadd_wchnstr(win, y, x, wchstr, -1);
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#endif
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}
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/*
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* mvadd_wchnstr --
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* Add a string of at most n characters to stdscr
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* starting at (y, x).
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*/
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int
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mvadd_wchnstr(int y, int x, const 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 mvwadd_wchnstr(stdscr, y, x, wchstr, n);
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#endif
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}
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/*
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* mvwadd_wchnstr --
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* Add a string of at most n characters to the given window
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* starting at (y, x).
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*/
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int
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mvwadd_wchnstr(WINDOW *win, int y, int x, const 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 wadd_wchnstr(win, wchstr, n);
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#endif
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}
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/*
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* wadd_wchnstr --
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* Add a string (at most n wide characters) to the given window
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* starting at (_cury, _curx). If n is -1, add the entire string.
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*/
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int
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wadd_wchnstr(WINDOW *win, const 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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const cchar_t *chp;
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wchar_t wc;
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int cw, x, y, sx, ex, newx, i, cnt;
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__LDATA *lp, *tp;
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nschar_t *np, *tnp;
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__LINE *lnp;
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#ifdef DEBUG
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__CTRACE(__CTRACE_INPUT,
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"wadd_wchnstr: win = %p, wchstr = %p, n = %d\n", win, wchstr, n);
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#endif
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if (!wchstr)
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return OK;
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/* compute length of the cchar string */
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if (n < -1)
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return ERR;
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if (n >= 0)
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for (chp = wchstr, cnt = 0; n && chp->vals[0];
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n--, chp++, ++cnt);
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else
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for (chp = wchstr, cnt = 0; chp->vals[0]; chp++, ++cnt);
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#ifdef DEBUG
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__CTRACE(__CTRACE_INPUT, "wadd_wchnstr: len=%d\n", cnt);
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#endif /* DEBUG */
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chp = wchstr;
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x = win->curx;
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y = win->cury;
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lp = &win->alines[y]->line[x];
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lnp = win->alines[y];
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cw = WCOL(*lp);
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if (cw >= 0) {
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sx = x;
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} else {
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if (wcwidth(chp->vals[0])) {
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/* clear the partial character before cursor */
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for (tp = lp + cw; tp < lp; tp++) {
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tp->ch = (wchar_t) btowc((int) win->bch);
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if (_cursesi_copy_nsp(win->bnsp, tp) == ERR)
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return ERR;
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tp->attr = win->battr;
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SET_WCOL(*tp, 1);
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np = tp->nsp;
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}
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} else {
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/* move to the start of current char */
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lp += cw;
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x += cw;
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}
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sx = x + cw;
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}
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lnp->flags |= __ISDIRTY;
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newx = sx + win->ch_off;
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if (newx < *lnp->firstchp)
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*lnp->firstchp = newx;
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/* add characters in the string */
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ex = x;
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while (cnt) {
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x = ex;
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wc = chp->vals[0];
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#ifdef DEBUG
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__CTRACE(__CTRACE_INPUT, "wadd_wchnstr: adding %x", wc);
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#endif /* DEBUG */
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cw = wcwidth(wc);
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if (cw < 0)
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cw = 1;
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if (cw) {
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/* spacing character */
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#ifdef DEBUG
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__CTRACE(__CTRACE_INPUT,
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" as a spacing char(width=%d)\n", cw);
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#endif /* DEBUG */
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if (cw > win->maxx - ex) {
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/* clear to EOL */
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while (ex < win->maxx) {
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lp->ch = (wchar_t)
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btowc((int) win->bch);
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if (_cursesi_copy_nsp(win->bnsp, lp)
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== ERR)
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return ERR;
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lp->attr = win->battr;
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SET_WCOL(*lp, 1);
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lp++, ex++;
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}
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ex = win->maxx - 1;
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break;
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}
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/* this could combine with the insertion of
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* non-spacing char */
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np = lp->nsp;
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if (np) {
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while (np) {
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tnp = np->next;
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free(np);
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np = tnp;
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}
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lp->nsp = NULL;
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}
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lp->ch = chp->vals[0];
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lp->attr = chp->attributes & WA_ATTRIBUTES;
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SET_WCOL(*lp, cw);
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if (chp->elements > 1) {
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for (i = 1; i < chp->elements; i++) {
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np = (nschar_t *)
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malloc(sizeof(nschar_t));
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if (!np)
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return ERR;
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np->ch = chp->vals[i];
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np->next = lp->nsp;
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lp->nsp = np;
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}
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}
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lp++, ex++;
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#ifdef DEBUG
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__CTRACE(__CTRACE_INPUT,
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"wadd_wchnstr: ex = %d, x = %d, cw = %d\n",
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ex, x, cw);
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#endif /* DEBUG */
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while (ex - x <= cw - 1) {
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np = lp->nsp;
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if (np) {
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while (np) {
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tnp = np->next;
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free(np);
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np = tnp;
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}
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lp->nsp = NULL;
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}
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lp->ch = chp->vals[0];
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lp->attr = chp->attributes & WA_ATTRIBUTES;
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SET_WCOL(*lp, x - ex);
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lp++, ex++;
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}
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} else {
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/* non-spacing character */
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#ifdef DEBUG
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__CTRACE(__CTRACE_INPUT,
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"wadd_wchnstr: as non-spacing char");
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#endif /* DEBUG */
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for (i = 0; i < chp->elements; i++) {
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np = (nschar_t *)malloc(sizeof(nschar_t));
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if (!np)
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return ERR;
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np->ch = chp->vals[i];
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np->next = lp->nsp;
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lp->nsp = np;
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}
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}
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cnt--, chp++;
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}
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#ifdef DEBUG
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for (i = sx; i < ex; i++) {
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__CTRACE(__CTRACE_INPUT, "wadd_wchnstr: (%d,%d)=(%x,%x,%p)\n",
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win->cury, i, win->alines[win->cury]->line[i].ch,
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win->alines[win->cury]->line[i].attr,
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win->alines[win->cury]->line[i].nsp);
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}
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#endif /* DEBUG */
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lnp->flags |= __ISDIRTY;
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newx = ex + win->ch_off;
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if (newx > *lnp->lastchp)
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*lnp->lastchp = newx;
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__touchline(win, y, sx, ex);
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return OK;
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#endif /* HAVE_WCHAR */
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}
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