/* * 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[] = "@(#)insch.c 5.3 (Berkeley) 6/30/88"; #endif /* not lint */ # include "curses.ext" /* * This routine performs an insert-char on the line, leaving * (_cury,_curx) unchanged. * */ int winsch(win, c) reg WINDOW *win; char c; { reg char *temp1, *temp2; reg char *end; end = &win->_y[win->_cury][win->_curx]; temp1 = &win->_y[win->_cury][win->_maxx - 1]; temp2 = temp1 - 1; while (temp1 > end) *temp1-- = *temp2--; *temp1 = c; touchline(win, win->_cury, win->_curx, win->_maxx - 1); if (win->_cury == LINES - 1 && win->_y[LINES-1][COLS-1] != ' ') if (win->_scroll) { wrefresh(win); scroll(win); win->_cury--; } else return ERR; return OK; }