xref: /netbsd-src/lib/libcurses/addch.c (revision b09154d5e3c4bc76c29b34ed6d40921262a1080b)
1 /*	$NetBSD: addch.c,v 1.23 2021/09/06 07:45:48 rin 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 1.23 2021/09/06 07:45:48 rin 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
addch(chtype ch)52 addch(chtype ch)
53 {
54 
55 	return waddch(stdscr, ch);
56 }
57 
58 /*
59  * mvaddch --
60  *      Add the character to stdscr at the given location.
61  */
62 int
mvaddch(int y,int x,chtype ch)63 mvaddch(int y, int x, chtype ch)
64 {
65 
66 	return mvwaddch(stdscr, y, x, ch);
67 }
68 
69 /*
70  * mvwaddch --
71  *      Add the character to the given window at the given location.
72  */
73 int
mvwaddch(WINDOW * win,int y,int x,chtype ch)74 mvwaddch(WINDOW *win, int y, int x, chtype ch)
75 {
76 
77 	if (wmove(win, y, x) == ERR)
78 		return ERR;
79 
80 	return waddch(win, ch);
81 }
82 
83 #endif
84 
85 #ifdef HAVE_WCHAR
86 /*
87  * waddch --
88  *	Add the character to the current position in the given window.
89  */
90 int
waddch(WINDOW * win,chtype ch)91 waddch(WINDOW *win, chtype ch)
92 {
93 	cchar_t cc;
94 
95 	__cursesi_chtype_to_cchar(ch, &cc);
96 	__CTRACE(__CTRACE_INPUT,
97 	    "addch: %d : 0x%x (adding char as wide char)\n",
98 	    cc.vals[0], cc.attributes);
99 
100 	return wadd_wch(win, &cc);
101 }
102 
103 #else /* !HAVE_WCHAR */
104 
105 /*
106  * waddch --
107  *	Add the character to the current position in the given window.
108  */
109 int
waddch(WINDOW * win,chtype ch)110 waddch(WINDOW *win, chtype ch)
111 {
112 	__LDATA buf;
113 
114 	buf.ch = (wchar_t)ch & __CHARTEXT;
115 	buf.attr = (attr_t)ch & __ATTRIBUTES;
116 	__CTRACE(__CTRACE_INPUT, "addch: %d : 0x%x\n", buf.ch, buf.attr);
117 	return __waddch(win, &buf);
118 }
119 #endif /* !HAVE_WCHAR */
120 
121 int
__waddch(WINDOW * win,__LDATA * dp)122 __waddch(WINDOW *win, __LDATA *dp)
123 {
124 	char	buf[2];
125 
126 	buf[0] = dp->ch;
127 	buf[1] = '\0';
128 	return _cursesi_waddbytes(win, buf, 1, dp->attr, 1);
129 }
130