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- /*
- * Copyright (c) 1981 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the University of California, Berkeley. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)insertln.c 5.3 (Berkeley) 6/30/88";
- #endif /* not lint */
-
- # include "curses.ext"
-
- /*
- * This routine performs an insert-line on the window, leaving
- * (_cury,_curx) unchanged.
- *
- */
- void winsertln(win)
- reg WINDOW *win; {
-
- reg char *temp;
- reg int y;
- reg char *end;
-
- #ifdef DEBUG
- fprintf(outf, "INSERTLN(%0.2o)\n", win);
- #endif
- if (win->_orig == NULL)
- temp = win->_y[win->_maxy - 1];
- for (y = win->_maxy - 1; y > win->_cury; --y) {
- if (win->_orig == NULL)
- win->_y[y] = win->_y[y - 1];
- else
- bcopy(win->_y[y - 1], win->_y[y], win->_maxx);
- touchline(win, y, 0, win->_maxx - 1);
- }
- if (win->_orig == NULL)
- win->_y[y] = temp;
- else
- temp = win->_y[y];
- for (end = &temp[win->_maxx]; temp < end; )
- *temp++ = ' ';
- touchline(win, y, 0, win->_maxx - 1);
- if (win->_orig == NULL)
- _id_subwins(win);
- }
-