xref: /aosp_15_r20/external/coreboot/payloads/libpayload/curses/colors.c (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /*
2  *
3  * Copyright (C) 2007 Uwe Hermann <[email protected]>
4  * Copyright (C) 2008 Advanced Micro Devices, Inc.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 /* Color pair management */
31 
32 #include "local.h"
33 
34 unsigned char color_pairs[256] = {
35 	[0] = 0x07,
36 };
37 
start_color(void)38 int start_color(void)
39 {
40 	return 0;
41 }
42 
init_pair(short index,short fg,short bg)43 int init_pair(short index, short fg, short bg)
44 {
45 	if (index == 0 || index > 255)
46 		return ERR;
47 
48 	color_pairs[index] = ((bg & 0xF) << 4) | (fg & 0xF);
49 	return 0;
50 }
51 
pair_content(short index,short * fg,short * bg)52 int pair_content(short index, short *fg, short *bg)
53 {
54 	if (index < 0 || index > 255)
55 		return ERR;
56 
57 	*bg = (color_pairs[index] >> 4) & 0xF;
58 	*fg = color_pairs[index] & 0xF;
59 
60 	return 0;
61 }
62