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addch.c revision 1.13 
      1 /*	$NetBSD: addch.c,v 1.13 2003/08/07 16:44:18 agc 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)addch.c	8.2 (Berkeley) 5/4/94";
     36 #else
     37 __RCSID("$NetBSD: addch.c,v 1.13 2003/08/07 16:44:18 agc Exp $");
     38 #endif
     39 #endif				/* not lint */
     40 
     41 #include "curses.h"
     42 #include "curses_private.h"
     43 
     44 #ifndef _CURSES_USE_MACROS
     45 
     46 /*
     47  * addch --
     48  *	Add the character to the current position in stdscr.
     49  *
     50  */
     51 int
     52 addch(chtype ch)
     53 {
     54 	return waddch(stdscr, ch);
     55 }
     56 
     57 /*
     58  * mvaddch --
     59  *      Add the character to stdscr at the given location.
     60  */
     61 int
     62 mvaddch(int y, int x, chtype ch)
     63 {
     64 	return mvwaddch(stdscr, y, x, ch);
     65 }
     66 
     67 /*
     68  * mvwaddch --
     69  *      Add the character to the given window at the given location.
     70  */
     71 int
     72 mvwaddch(WINDOW *win, int y, int x, chtype ch)
     73 {
     74 	if (wmove(win, y, x) == ERR)
     75 		return ERR;
     76 
     77 	return waddch(win, ch);
     78 }
     79 
     80 #endif
     81 
     82 /*
     83  * waddch --
     84  *	Add the character to the current position in the given window.
     85  *
     86  */
     87 int
     88 waddch(WINDOW *win, chtype ch)
     89 {
     90 	__LDATA buf;
     91 
     92 	buf.ch = (wchar_t) ch & __CHARTEXT;
     93 	buf.attr = (attr_t) ch & __ATTRIBUTES;
     94 #ifdef DEBUG
     95 	__CTRACE("addch: %d : 0x%x\n", buf.ch, buf.attr);
     96 #endif
     97 	return (__waddch(win, &buf));
     98 }
     99 
    100 int
    101 __waddch(WINDOW *win, __LDATA *dp)
    102 {
    103 	char	buf[2];
    104 
    105 	buf[0] = dp->ch;
    106 	buf[1] = '\0';
    107 	return (__waddbytes(win, buf, 1, dp->attr));
    108 }
    109