WWU_MAJOR, clreol in wwupdate(), and more optimizations.

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

#ifndef lint
static  char *sccsid = "@(#)wwunframe.c 3.12 83/12/02";
#endif

#include "ww.h"

wwunframe(w)
register struct ww *w;
{
       int i;

       for (i = w->ww_i.t; i < w->ww_i.b; i++) {
               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 struct 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;
                       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 > 4)
                       wwtouched[i] |= WWU_MAJOR|WWU_TOUCHED;
               else if (nchanged > 0)
                       wwtouched[i] |= WWU_TOUCHED;
               w->ww_nvis[i] = 0;
       }

       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);
}