===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/screen.c,v
retrieving revision 1.50
retrieving revision 1.51
diff -c -r1.50 -r1.51
*** src/usr.bin/tmux/screen.c	2017/11/15 19:21:24	1.50
--- src/usr.bin/tmux/screen.c	2018/07/04 09:44:07	1.51
***************
*** 1,4 ****
! /* $OpenBSD: screen.c,v 1.50 2017/11/15 19:21:24 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: screen.c,v 1.51 2018/07/04 09:44:07 nicm Exp $ */
  
  /*
   * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 281,289 ****
  		s->cy -= needed;
  	}
  
! 	/* Resize line arrays. */
! 	gd->linedata = xreallocarray(gd->linedata, gd->hsize + sy,
! 	    sizeof *gd->linedata);
  
  	/* Size increasing. */
  	if (sy > oldy) {
--- 281,288 ----
  		s->cy -= needed;
  	}
  
! 	/* Resize line array. */
! 	grid_adjust_lines(gd, gd->hsize + sy);
  
  	/* Size increasing. */
  	if (sy > oldy) {
***************
*** 306,312 ****
  
  		/* Then fill the rest in with blanks. */
  		for (i = gd->hsize + sy - needed; i < gd->hsize + sy; i++)
! 			memset(&gd->linedata[i], 0, sizeof gd->linedata[i]);
  	}
  
  	/* Set the new size, and reset the scroll region. */
--- 305,311 ----
  
  		/* Then fill the rest in with blanks. */
  		for (i = gd->hsize + sy - needed; i < gd->hsize + sy; i++)
! 			memset(grid_get_line(gd, i), 0, sizeof(struct grid_line));
  	}
  
  	/* Set the new size, and reset the scroll region. */