1 /* $NetBSD: delch.c,v 1.8 1997/07/22 07:36:35 mikel Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)delch.c 8.2 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: delch.c,v 1.8 1997/07/22 07:36:35 mikel Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <string.h> 46 47 #include "curses.h" 48 49 /* 50 * wdelch -- 51 * Do an insert-char on the line, leaving (cury, curx) unchanged. 52 */ 53 int 54 wdelch(win) 55 register WINDOW *win; 56 { 57 register __LDATA *end, *temp1, *temp2; 58 59 end = &win->lines[win->cury]->line[win->maxx - 1]; 60 temp1 = &win->lines[win->cury]->line[win->curx]; 61 temp2 = temp1 + 1; 62 while (temp1 < end) { 63 (void)memcpy(temp1, temp2, sizeof(__LDATA)); 64 temp1++, temp2++; 65 } 66 temp1->ch = ' '; 67 temp1->attr = 0; 68 __touchline(win, win->cury, win->curx, win->maxx - 1, 0); 69 return (OK); 70 } 71