===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/screen-write.c,v
retrieving revision 1.58
retrieving revision 1.59
diff -c -r1.58 -r1.59
*** src/usr.bin/tmux/screen-write.c	2012/12/08 17:05:57	1.58
--- src/usr.bin/tmux/screen-write.c	2013/01/15 23:18:55	1.59
***************
*** 1,4 ****
! /* $OpenBSD: screen-write.c,v 1.58 2012/12/08 17:05:57 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
--- 1,4 ----
! /* $OpenBSD: screen-write.c,v 1.59 2013/01/15 23:18:55 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
***************
*** 647,652 ****
--- 647,676 ----
  
  	ttyctx.num = nx;
  	tty_write(tty_cmd_deletecharacter, &ttyctx);
+ }
+ 
+ /* Clear nx characters. */
+ void
+ screen_write_clearcharacter(struct screen_write_ctx *ctx, u_int nx)
+ {
+ 	struct screen	*s = ctx->s;
+ 	struct tty_ctx	 ttyctx;
+ 
+ 	if (nx == 0)
+ 		nx = 1;
+ 
+ 	if (nx > screen_size_x(s) - s->cx)
+ 		nx = screen_size_x(s) - s->cx;
+ 	if (nx == 0)
+ 		return;
+ 
+ 	screen_write_initctx(ctx, &ttyctx, 0);
+ 
+ 	if (s->cx <= screen_size_x(s) - 1)
+ 		grid_view_clear(s->grid, s->cx, s->cy, nx, 1);
+ 
+ 	ttyctx.num = nx;
+ 	tty_write(tty_cmd_clearcharacter, &ttyctx);
  }
  
  /* Insert ny lines. */