56 static int vtbuf_htw(const struct vt_buf *vb, int row);
57 static int vtbuf_wth(const struct vt_buf *vb, int row);
161 /* Translate history row to current view row number. */
163 vtbuf_htw(const struct vt_buf *vb, int row)  in vtbuf_htw()  argument
172 	return ((row - vb->vb_roffset + vb->vb_history_size) %  in vtbuf_htw()
176 /* Translate current view row number to history row. */
178 vtbuf_wth(const struct vt_buf *vb, int row)  in vtbuf_wth()  argument
181 	return ((vb->vb_roffset + row) % vb->vb_history_size);  in vtbuf_wth()
208 vtbuf_iscursor(const struct vt_buf *vb, int row, int col)  in vtbuf_iscursor()  argument
215 	    (vb->vb_cursor.tp_row == row) && (vb->vb_cursor.tp_col == col))  in vtbuf_iscursor()
236 	row = vtbuf_wth(vb, row);  in vtbuf_iscursor()
244 	if (vtbuf_in_this_range(POS_INDEX(sc, sr), POS_INDEX(col, row),  in vtbuf_iscursor()
340 	    r->tr_end.tp_col == vb->vb_scr_size.tp_col && /* Full row. */  in vtbuf_copy()
371 	term_char_t *row;  in vtbuf_do_fill()  local
374 		row = vb->vb_rows[(vb->vb_curroffset + pr) %  in vtbuf_do_fill()
377 			row[pc] = c;  in vtbuf_do_fill()
500 	term_char_t *old, *new, **rows, **oldrows, **copyrows, *row, *oldrow;  in vtbuf_grow()  local
538 	 * Copy rows to the new buffer. The first row in the history  in vtbuf_grow()
543 			row = rows[r];  in vtbuf_grow()
545 			/* Compute the corresponding row in the old buffer. */  in vtbuf_grow()
548 				 * The buffer is full, the "top" row is  in vtbuf_grow()
551 				 * cycling buffer. The corresponding row  in vtbuf_grow()
552 				 * is computed from this top row.  in vtbuf_grow()
566 			memmove(row, oldrow,  in vtbuf_grow()
575 				row[c] = VTBUF_SPACE_CHAR(ch);  in vtbuf_grow()
581 			row = rows[r];  in vtbuf_grow()
583 				row[c] = VTBUF_SPACE_CHAR(ch);  in vtbuf_grow()
607 			row = rows[r];  in vtbuf_grow()
610 			 * Compute the corresponding row in the old buffer.  in vtbuf_grow()
623 			memmove(row, oldrow,  in vtbuf_grow()
632 				row[c] = VTBUF_SPACE_CHAR(ch);  in vtbuf_grow()
666 	term_char_t *row;  in vtbuf_putchar()  local
675 	row = vb->vb_rows[(vb->vb_curroffset + p->tp_row) %  in vtbuf_putchar()
677 	if (row[p->tp_col] != c) {  in vtbuf_putchar()
678 		row[p->tp_col] = c;  in vtbuf_putchar()
817 vtbuf_set_mark(struct vt_buf *vb, int type, int col, int row)  in vtbuf_set_mark()  argument
831 		vb->vb_mark_end.tp_row = vtbuf_wth(vb, row);  in vtbuf_set_mark()
836 		vb->vb_mark_start.tp_row = vtbuf_wth(vb, row);  in vtbuf_set_mark()
839 		vb->vb_mark_end.tp_row = vtbuf_wth(vb, row);  in vtbuf_set_mark()
844 		    vtbuf_wth(vb, row);  in vtbuf_set_mark()
873 		    vtbuf_wth(vb, row);  in vtbuf_set_mark()