BSD 4_3_Reno release

[unix-history] / usr / src / usr.bin / window / wwunframe.c

diff --git a/usr/src/usr.bin/window/wwunframe.c b/usr/src/usr.bin/window/wwunframe.c
index b1eef93..3cc8c37 100644 (file)
--- a/usr/src/usr.bin/window/wwunframe.c
+++ b/usr/src/usr.bin/window/wwunframe.c
@@ -1,59 +1,62 @@
+/*
+ * Copyright (c) 1983 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 are permitted provided
+ * that: (1) source distributions retain this entire copyright notice and
+ * comment, and (2) distributions including binaries display the following
+ * acknowledgement:  ``This product includes software developed by the
+ * University of California, Berkeley and its contributors'' in the
+ * documentation or other materials provided with the distribution and in
+ * all advertising materials mentioning features or use of this software.
+ * 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+

 #ifndef lint
 #ifndef lint

-static char *sccsid = "@(#)wwunframe.c 3.9 83/11/23";
-#endif
+static char sccsid[] = "@(#)wwunframe.c        3.20 (Berkeley) 6/6/90";
+#endif /* not lint */

 
 #include "ww.h"
 
 wwunframe(w)
 register struct ww *w;
 {
 
 #include "ww.h"
 
 wwunframe(w)
 register struct ww *w;
 {

-       register i, j;
-       register char *win;
-       register char *fmap;
-       register struct ww *wp;
+       int i;

 
        for (i = w->ww_i.t; i < w->ww_i.b; i++) {
 
        for (i = w->ww_i.t; i < w->ww_i.b; i++) {

-               j = w->ww_i.l;
-               win = &w->ww_win[i][j];
-               if (w->ww_fmap)
-                       fmap = &w->ww_fmap[i][j];
-               for (; j < w->ww_i.r; j++) {
-                       if (*win & WWM_GLS) {
-                               win++;
-                               fmap++;
+               register j;
+               register char *win = w->ww_win[i];
+               register char *fmap = w->ww_fmap ? w->ww_fmap[i] : 0;
+               register char *smap = wwsmap[i];
+               register union ww_char *ns = wwns[i];
+               int nchanged = 0;
+
+               for (j = w->ww_i.l; j < w->ww_i.r; j++) {
+                       if (win[j] & WWM_GLS)

                                continue;
                                continue;

-                       }
-                       *win++ |= WWM_GLS;
-                       if (w->ww_fmap)
-                               *fmap++ = 0;
-                       if (wwsmap[i][j] == w->ww_index) {
-                               wwsmap[i][j] = WWX_NOBODY;
-                               wwns[i][j].c_w = ' ';
-                               wwtouched[i] = 1;
+                       win[j] |= WWM_GLS;
+                       if (fmap != 0)
+                               fmap[j] = 0;
+                       if (smap[j] == w->ww_index) {
+                               smap[j] = WWX_NOBODY;
+                               ns[j].c_w = ' ';
+                               nchanged++;

                        }
                }
                        }
                }

+               if (nchanged > 0)
+                       wwtouched[i] |= WWU_TOUCHED;

                w->ww_nvis[i] = 0;
        }
                w->ww_nvis[i] = 0;
        }

-       for (wp = w->ww_forw; wp != &wwhead; wp = wp->ww_forw) {
-               int i1, i2, j1, j2;

 
 

-               i1 = MAX(w->ww_i.t, wp->ww_i.t);
-               i2 = MIN(w->ww_i.b, wp->ww_i.b);
-               j1 = MAX(w->ww_i.l, wp->ww_i.l);
-               j2 = MIN(w->ww_i.r, wp->ww_i.r);
-               for (i = i1; i < i2; i++) {
-                       for (j = j1; j < j2; j++) {
-                               if (wwsmap[i][j] != WWX_NOBODY)
-                                       continue;
-                               if ((wp->ww_win[i][j] & WWM_GLS) == 0) {
-                                       wwsmap[i][j] = wp->ww_index;
-                                       wwns[i][j].c_w = wp->ww_buf[i][j].c_w ^
-                                               wp->ww_win[i][j] << WWC_MSHIFT;
-                                       wwtouched[i] = 1;
-                                       if (wp->ww_win[i][j] == 0)
-                                               wp->ww_nvis[i]++;
-                               }
-                       }
-               }
-       }
+       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);

 }
 }