termcap.c revision 8601 
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
25int
26set_termcap(void)
27{
28    char           *term;
29    int		   stat;
30
31    OnVTY = OnSerial = FALSE;
32    if (getpid() != 1)
33	DebugFD = open("sysinstall.debug", O_WRONLY|O_CREAT|O_TRUNC, 0644);
34    term = getenv("TERM");
35    stat = ioctl(STDERR_FILENO, GIO_COLOR, &ColorDisplay);
36    if (stat < 0) {
37	if (!term) {
38	    if (setenv("TERM", "vt100", 1) < 0)
39		return -1;
40	    if (setenv("TERMCAP", termcap_vt100, 1) < 0)
41		return -1;
42	}
43	if (DebugFD == -1)
44	    DebugFD = dup(1);
45	OnSerial = TRUE;
46    }
47    else {
48	if (ColorDisplay) {
49	    if (!term) {
50		if (setenv("TERM", "cons25", 1) < 0)
51		    return -1;
52		if (setenv("TERMCAP", termcap_cons25, 1) < 0)
53		    return -1;
54	    }
55	}
56	else {
57	    if (!term) {
58		if (setenv("TERM", "cons25-m", 1) < 0)
59		    return -1;
60		if (setenv("TERMCAP", termcap_cons25_m, 1) < 0)
61		    return -1;
62	    }
63	}
64	if (DebugFD == -1)
65	    DebugFD = open("/dev/ttyv1", O_WRONLY);
66	OnVTY = TRUE;
67    }
68    return 0;
69}
70