1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
4 *
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use,
9 * copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following
12 * conditions:
13 *
14 * The above copyright notice and this permission notice shall
15 * be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * ----------------------------------------------------------------------- */
27
28 /*
29 * ansiline.c
30 *
31 * Configures the console for ANSI output in line mode; versions
32 * for COM32 and Linux support.
33 */
34
35 #ifdef __COM32__
36
37 #include <stdio.h>
38 #include <unistd.h>
39 #include <console.h>
40
console_ansi_std(void)41 void console_ansi_std(void)
42 {
43 openconsole(&dev_stdcon_r, &dev_ansiserial_w);
44 }
45
46 #else
47
48 #include <stdio.h>
49 #include <termios.h>
50
51 static struct termios original_termios_settings;
52
console_init(void)53 static void __attribute__ ((constructor)) console_init(void)
54 {
55 tcgetattr(0, &original_termios_settings);
56 }
57
console_cleanup(void)58 static void __attribute__ ((destructor)) console_cleanup(void)
59 {
60 tcsetattr(0, TCSANOW, &original_termios_settings);
61 }
62
console_ansi_std(void)63 void console_ansi_std(void)
64 {
65 struct termios tio;
66
67 /* Disable stdio buffering */
68 setbuf(stdin, NULL);
69 setbuf(stdout, NULL);
70 setbuf(stderr, NULL);
71
72 /* Set the termios flag so we behave the same as libcom32 */
73 tcgetattr(0, &tio);
74 tio.c_iflag &= ~ICRNL;
75 tio.c_iflag |= IGNCR;
76 tio.c_lflag |= ICANON | ECHO;
77 if (!tio.c_oflag & OPOST)
78 tio.c_oflag = 0;
79 tio.c_oflag |= OPOST | ONLCR;
80 tcsetattr(0, TCSANOW, &tio);
81 }
82
83 #endif
84