termcap.c revision 8302 
1/*
2 * Copyright (c) 1994, Paul Richards.
3 *
4 * All rights reserved.
5 *
6 * This software may be used, modified, copied, distributed, and sold, in both
7 * source and binary form provided that the above copyright and these terms
8 * are retained, verbatim, as the first lines of this file.  Under no
9 * circumstances is the author responsible for the proper functioning of this
10 * software, nor does the author assume any responsibility for damages
11 * incurred with its use.
12 */
13
14#include <stdio.h>
15#include <stdlib.h>
16#include <string.h>
17#include <unistd.h>
18#include <stdarg.h>
19#include <fcntl.h>
20#include <sys/ioctl.h>
21#include <machine/console.h>
22
23#include "sysinstall.h"
24
25Boolean ColorDisplay;
26Boolean OnVTY;
27
28int
29set_termcap(void)
30{
31    char           *term;
32
33    OnVTY = OnSerial = FALSE;
34    term = getenv("TERM");
35    if (term == NULL) {
36	if (ioctl(STDERR_FILENO, GIO_COLOR, &ColorDisplay) < 0) {
37	    if (setenv("TERM", "vt100", 1) < 0)
38		return -1;
39	    if (setenv("TERMCAP", termcap_vt100, 1) < 0)
40		return -1;
41	    DebugFD = dup(1);
42	    OnSerial = TRUE;
43	} else if (ColorDisplay) {
44	    if (setenv("TERM", "cons25", 1) < 0)
45		return -1;
46	    if (setenv("TERMCAP", termcap_cons25, 1) < 0)
47		return -1;
48	    DebugFD = open("/dev/ttyv1",O_WRONLY);
49	    OnVTY = TRUE;
50	} else {
51	    if (setenv("TERM", "cons25-m", 1) < 0)
52		return -1;
53	    if (setenv("TERMCAP", termcap_cons25_m, 1) < 0)
54		return -1;
55	    DebugFD = open("/dev/ttyv1",O_WRONLY);
56	    OnVTY = TRUE;
57	}
58    }
59    else {
60	DebugFD = open("sysinstall.debug", O_WRONLY|O_CREAT|O_TRUNC,0644);
61    }
62    return 0;
63}
64