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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[] = "@(#)scroll.c 5.3 (Berkeley) 6/30/88";
- #endif /* not lint */
-
- # include "curses.ext"
-
- /*
- * This routine scrolls the window up a line.
- *
- */
- int scroll(win)
- register WINDOW *win;
- {
- register int oy, ox;
-
- # ifdef DEBUG
- fprintf(outf, "SCROLL(%0.2o)\n", win);
- # endif
-
- if (!win->_scroll)
- return ERR;
-
- getyx(win, oy, ox);
- wmove(win, 0, 0);
- wdeleteln(win);
- wmove(win, oy, ox);
-
- if (win == curscr) {
- _putchar('\n', stdout);
- if (!NONL)
- win->_curx = 0;
- # ifdef DEBUG
- fprintf(outf, "SCROLL: win == curscr\n");
- # endif
- }
- return OK;
- }
-