53 	if (sp->rows < 4) {  in vs_split()
71 	half = sp->rows / 2;  in vs_split()
98 		new->rows = sp->rows - half;	/* New. */  in vs_split()
100 		sp->rows = half;		/* Old. */  in vs_split()
101 		sp->roff += new->rows;  in vs_split()
107 		memcpy(_HMAP(sp), _HMAP(sp) + new->rows,  in vs_split()
108 		    (sp->t_maxrows - new->rows) * sizeof(SMAP));  in vs_split()
110 		new->rows = half;		/* New. */  in vs_split()
111 		sp->rows -= half;		/* Old. */  in vs_split()
112 		new->roff = sp->roff + sp->rows;  in vs_split()
116 	sp->t_maxrows = IS_ONELINE(sp) ? 1 : sp->rows - 1;  in vs_split()
117 	new->t_maxrows = IS_ONELINE(new) ? 1 : new->rows - 1;  in vs_split()
129 			sp->t_rows -= new->rows;  in vs_split()
144 		sp->t_minrows = sp->t_rows = IS_ONELINE(sp) ? 1 : sp->rows - 1;  in vs_split()
153 		if (new->t_rows > new->rows - 1)  in vs_split()
155 			    IS_ONELINE(new) ? 1 : new->rows - 1;  in vs_split()
250 	new->rows = sp->rows;  in vs_vsplit()
396 			tsp->rows += sp->rows;  in vs_discard()
398 				tsp->t_rows = tsp->t_minrows = tsp->rows - 1;  in vs_discard()
399 			tsp->t_maxrows = tsp->rows - 1;  in vs_discard()
460 	for (lp = listp, tlen = sp->rows,  in vs_join()
472 		if (tsp->roff > sp->roff + sp->rows)  in vs_join()
475 			if (tsp->roff + tsp->rows >= sp->roff)  in vs_join()
479 		if (tsp->roff + tsp->rows > sp->roff + sp->rows)  in vs_join()
482 		if (tlen < tsp->rows)  in vs_join()
485 		tlen -= tsp->rows;  in vs_join()
495 	for (lp = listp, tlen = sp->rows,  in vs_join()
507 		if (tsp->roff > sp->roff + sp->rows)  in vs_join()
510 			if (tsp->roff + tsp->rows >= sp->roff)  in vs_join()
514 		if (tsp->roff + tsp->rows > sp->roff + sp->rows)  in vs_join()
517 		if (tlen < tsp->rows)  in vs_join()
520 		tlen -= tsp->rows;  in vs_join()
536 		if (tsp->roff + tsp->rows != sp->roff)  in vs_join()
572 		if (tsp->roff != sp->roff + sp->rows)  in vs_join()
734 	nsp->rows = sp->rows;	/* XXX: Only place in vi that sets rows. */  in vs_swap()
751 		nsp->t_rows = nsp->t_maxrows = nsp->t_minrows = nsp->rows - 1;  in vs_swap()
868 				    "226|The screen can only shrink to %d rows",  in vs_resize()
881 	s->rows += -count;  in vs_resize()
883 	g->rows += count;  in vs_resize()