# 2.11BSD#431 - /usr/src/ucb/window/wwadd.c

##### Functions

    wwadd             X

       1: #ifndef lint
       2: static char sccsid[] = "@(#)wwadd.c	3.9 4/24/85";
       3: #endif
       4:
       5: /*
       6:  * Copyright (c) 1983 Regents of the University of California,
       7:  * All rights reserved.  Redistribution permitted subject to
       8:  * the terms of the Berkeley Software License Agreement.
       9:  */
      10:
      11: #include "ww.h"
      12:
      13: /*
      14:  * Stick w1 behind w2.
      15:  */
      16: wwadd(w1, w2)
      17: register struct ww *w1;
      18: struct ww *w2;
      19: {
      20:     register i;
      21:     register struct ww *w;
      22:
      23:     w1->ww_order = w2->ww_order + 1;
      24:     w1->ww_back = w2;
      25:     w1->ww_forw = w2->ww_forw;
      26:     w2->ww_forw->ww_back = w1;
      27:     w2->ww_forw = w1;
      28:
      29:     for (w = w1->ww_forw; w != &wwhead; w = w->ww_forw)
      30:         w->ww_order++;
      31:     for (i = w1->ww_i.t; i < w1->ww_i.b; i++) {
      32:         register j;
      33:         register char *smap = wwsmap[i];
      34:         register char *win = w1->ww_win[i];
      35:         union ww_char *ns = wwns[i];
      36:         union ww_char *buf = w1->ww_buf[i];
      37:         int nvis = 0;
      38:         int nchanged = 0;
      39:
      40:         for (j = w1->ww_i.l; j < w1->ww_i.r; j++) {
      41:             w = wwindex[smap[j]];
      42:             if (w1->ww_order > w->ww_order)
      43:                 continue;
      44:             if (win[j] & WWM_GLS)
      45:                 continue;
      46:             if (w != &wwnobody && w->ww_win[i][j] == 0)
      47:                 w->ww_nvis[i]--;
      48:             smap[j] = w1->ww_index;
      49:             if (win[j] == 0)
      50:                 nvis++;
      51:             ns[j].c_w = buf[j].c_w ^ win[j] << WWC_MSHIFT;
      52:             nchanged++;
      53:         }
      54:         if (nchanged > 4)
      55:             wwtouched[i] |= WWU_MAJOR|WWU_TOUCHED;
      56:         else if (nchanged > 0)
      57:             wwtouched[i] |= WWU_TOUCHED;
      58:         w1->ww_nvis[i] = nvis;
      59:     }
      60: }

#### Defined functions

wwadd defined in line 16; used 10 times

- in /usr/src/ucb/window/cmd.c line 222, 246
- in /usr/src/ucb/window/cmd1.c line 25
- in /usr/src/ucb/window/cmd5.c line 29, 70
- in /usr/src/ucb/window/cmd7.c line 26
- in /usr/src/ucb/window/main.c line 130
- in /usr/src/ucb/window/win.c line 174-178(2), 257

#### Defined variables

sccsid defined in line 2; never used

Last modified: 1987-02-17 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 678 |