1 /* $NetBSD: addch.c,v 1.17 2013/11/09 11:16:59 blymn 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 1.17 2013/11/09 11:16:59 blymn 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 return waddch(stdscr, ch);
55 }
56
57 /*
58 * mvaddch --
59 * Add the character to stdscr at the given location.
60 */
61 int
mvaddch(int y,int x,chtype ch)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
mvwaddch(WINDOW * win,int y,int x,chtype ch)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
waddch(WINDOW * win,chtype ch)88 waddch(WINDOW *win, chtype ch)
89 {
90 #ifdef HAVE_WCHAR
91 cchar_t cc;
92 #else
93 __LDATA buf;
94 #endif
95
96 #ifdef HAVE_WCHAR
97 __cursesi_chtype_to_cchar(ch, &cc);
98 #else
99 buf.ch = (wchar_t) ch & __CHARTEXT;
100 buf.attr = (attr_t) ch & __ATTRIBUTES;
101 #endif
102
103 #ifdef DEBUG
104 #ifdef HAVE_WCHAR
105 __CTRACE(__CTRACE_INPUT,
106 "addch: %d : 0x%x (adding char as wide char)\n",
107 cc.vals[0], cc.attributes);
108 #else
109 __CTRACE(__CTRACE_INPUT, "addch: %d : 0x%x\n", buf.ch, buf.attr);
110 #endif
111 #endif
112
113 #ifdef HAVE_WCHAR
114 return (wadd_wch(win, &cc));
115 #else
116 return (__waddch(win, &buf));
117 #endif
118 }
119
120 int
__waddch(WINDOW * win,__LDATA * dp)121 __waddch(WINDOW *win, __LDATA *dp)
122 {
123 char buf[2];
124
125 buf[0] = dp->ch;
126 buf[1] = '\0';
127 return (_cursesi_waddbytes(win, buf, 1, dp->attr, 1));
128 }
129