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68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Edward Wang at The University of California, Berkeley.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF 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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#ifndef lint
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static char sccsid[] = "@(#)wwmisc.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#include "ww.h"
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#include "tt.h"
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#include "char.h"
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/*
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* Sufficient but not necessary test for total visibility.
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*/
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wwvisible(w)
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register struct ww *w;
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{
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register i;
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register nvis = 0;
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for (i = w->ww_i.t; i < w->ww_i.b; i++)
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nvis += w->ww_nvis[i];
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if (w->ww_hascursor
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&& w->ww_cur.r >= w->ww_i.t && w->ww_cur.r < w->ww_i.b
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&& w->ww_cur.c >= w->ww_i.l && w->ww_cur.c < w->ww_i.r
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&& wwsmap[w->ww_cur.r][w->ww_cur.c] == w->ww_index)
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nvis++;
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return nvis == w->ww_i.nr * w->ww_i.nc;
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}
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wwbell()
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{
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ttputc(ctrl('g'));
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}
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