1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char sccsid[] = "@(#)insch.c 5.4 (Berkeley) 6/1/90"; 36 #endif /* not lint */ 37 38 # include "curses.ext" 39 40 /* 41 * This routine performs an insert-char on the line, leaving 42 * (_cury,_curx) unchanged. 43 * 44 */ 45 winsch(win, c) 46 reg WINDOW *win; 47 char c; { 48 49 reg chtype *temp1, *temp2; 50 reg chtype *end; 51 52 end = &win->_y[win->_cury][win->_curx]; 53 temp1 = &win->_y[win->_cury][win->_maxx - 1]; 54 temp2 = temp1 - 1; 55 while (temp1 > end) 56 *temp1-- = *temp2--; 57 *temp1 = (unsigned char) c; 58 touchline(win, win->_cury, win->_curx, win->_maxx - 1); 59 if (win->_cury == LINES - 1 && win->_y[LINES-1][COLS-1] != ' ') 60 if (win->_scroll) { 61 wrefresh(win); 62 scroll(win); 63 win->_cury--; 64 } 65 else 66 return ERR; 67 return OK; 68 } 69