xref: /original-bsd/usr.bin/window/wwredraw.c (revision 83e03edb)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)wwredraw.c	3.9 (Berkeley) 06/29/88";
20 #endif /* not lint */
21 
22 #include "ww.h"
23 #include "tt.h"
24 
25 wwredraw()
26 {
27 	register i, j;
28 	register union ww_char *os;
29 
30 	(*tt.tt_clear)();
31 	for (i = 0; i < wwnrow; i++) {
32 		wwtouched[i] = WWU_TOUCHED;
33 		os = wwos[i];
34 		for (j = wwncol; --j >= 0;)
35 			(os++)->c_w = ' ';
36 	}
37 }
38