shell_cmds-53.tar.gz

[apple/shell_cmds.git] / window / wwdelete.c

diff --git a/window/wwdelete.c b/window/wwdelete.c
deleted file mode 100644 (file)
index 50d118d..0000000
--- a/window/wwdelete.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*     $NetBSD: wwdelete.c,v 1.5 1997/11/21 08:37:11 lukem Exp $       */
-
-/*
- * Copyright (c) 1983, 1993
- *     The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Edward Wang at The University of California, Berkeley.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)wwdelete.c 8.1 (Berkeley) 6/6/93";
-#else
-__RCSID("$NetBSD: wwdelete.c,v 1.5 1997/11/21 08:37:11 lukem Exp $");
-#endif
-#endif /* not lint */
-
-#include "ww.h"
-
-/*
- * Pull w free from the cover list.
- */
-void
-wwdelete(w)
-       struct ww *w;
-{
-       int i;
-
-       for (i = w->ww_i.t; i < w->ww_i.b; i++) {
-               int j;
-               unsigned char *smap = wwsmap[i];
-               union ww_char *ns = wwns[i];
-               int nchanged = 0;
-
-               for (j = w->ww_i.l; j < w->ww_i.r; j++)
-                       if (smap[j] == w->ww_index) {
-                               smap[j] = WWX_NOBODY;
-                               ns[j].c_w = ' ';
-                               nchanged++;
-                       }
-               if (nchanged > 0)
-                       wwtouched[i] |= WWU_TOUCHED;
-       }
-
-       {
-               struct ww *wp;
-
-               for (wp = w->ww_forw; wp != &wwhead; wp = wp->ww_forw)
-                       wp->ww_order--;
-       }
-
-       if (w->ww_forw != &wwhead)
-               wwdelete1(w->ww_forw,
-                       w->ww_i.t, w->ww_i.b, w->ww_i.l, w->ww_i.r);
-
-       w->ww_back->ww_forw = w->ww_forw;
-       w->ww_forw->ww_back = w->ww_back;
-       w->ww_forw = w->ww_back = 0;
-}
-
-void
-wwdelete1(w, t, b, l, r)
-       struct ww *w;
-       int t, b, l, r;
-{
-       int i;
-       int tt, bb, ll, rr;
-       char hasglass;
-
-again:
-       hasglass = 0;
-       tt = MAX(t, w->ww_i.t);
-       bb = MIN(b, w->ww_i.b);
-       ll = MAX(l, w->ww_i.l);
-       rr = MIN(r, w->ww_i.r);
-       if (tt >= bb || ll >= rr) {
-               if ((w = w->ww_forw) == &wwhead)
-                       return;
-               goto again;
-       }
-       for (i = tt; i < bb; i++) {
-               int j;
-               unsigned char *smap = wwsmap[i];
-               union ww_char *ns = wwns[i];
-               char *win = w->ww_win[i];
-               union ww_char *buf = w->ww_buf[i];
-               int nvis = w->ww_nvis[i];
-               int nchanged = 0;
-
-               for (j = ll; j < rr; j++) {
-                       if (smap[j] != WWX_NOBODY)
-                               continue;
-                       if (win[j] & WWM_GLS) {
-                               hasglass = 1;
-                               continue;
-                       }
-                       smap[j] = w->ww_index;
-                       ns[j].c_w = buf[j].c_w ^ win[j] << WWC_MSHIFT;
-                       nchanged++;
-                       if (win[j] == 0)
-                               nvis++;
-               }
-               if (nchanged > 0)
-                       wwtouched[i] |= WWU_TOUCHED;
-               w->ww_nvis[i] = nvis;
-       }
-       if ((w = w->ww_forw) == &wwhead)
-               return;
-       if (hasglass)
-               goto again;
-       if (tt > t)
-               wwdelete1(w, t, tt, l, r);
-       if (bb < b)
-               wwdelete1(w, bb, b, l, r);
-       if (ll > l)
-               wwdelete1(w, tt, bb, l, ll);
-       if (rr < r)
-               wwdelete1(w, tt, bb, rr, r);
-}