1 /* $NetBSD: underscore.c,v 1.1 1999/04/13 14:08:19 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 1999 Julian. D. Coleman 5 * 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. The name of the author may not be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include "curses.h" 29 30 /* 31 * wunderscore 32 * Enter underscore mode. 33 */ 34 int 35 wunderscore(win) 36 WINDOW *win; 37 { 38 /* 39 * If can underscore, set the screen underscore bit. 40 */ 41 if ((US != NULL && UE != NULL) || UC != NULL) { 42 #ifdef DEBUG 43 __CTRACE("wunderscore\n"); 44 #endif 45 win->flags |= __WUNDERSCORE; 46 } 47 return (1); 48 } 49 50 /* 51 * wunderend -- 52 * Exit underscore mode. 53 */ 54 int 55 wunderend(win) 56 WINDOW *win; 57 { 58 if (UE != NULL) { 59 #ifdef DEBUG 60 __CTRACE("wunderuend\n"); 61 #endif 62 win->flags &= ~__WUNDERSCORE; 63 } 64 return 1; 65 } 66