NetBSD/lib/libcurses/underscore.c

66 lines
1.8 KiB
C

/* $NetBSD: underscore.c,v 1.1 1999/04/13 14:08:19 mrg Exp $ */
/*
* Copyright (c) 1999 Julian. D. Coleman
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "curses.h"
/*
* wunderscore
* Enter underscore mode.
*/
int
wunderscore(win)
WINDOW *win;
{
/*
* If can underscore, set the screen underscore bit.
*/
if ((US != NULL && UE != NULL) || UC != NULL) {
#ifdef DEBUG
__CTRACE("wunderscore\n");
#endif
win->flags |= __WUNDERSCORE;
}
return (1);
}
/*
* wunderend --
* Exit underscore mode.
*/
int
wunderend(win)
WINDOW *win;
{
if (UE != NULL) {
#ifdef DEBUG
__CTRACE("wunderuend\n");
#endif
win->flags &= ~__WUNDERSCORE;
}
return 1;
}