termcap.c revision 8751 
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    else
35	RunningAsInit = TRUE;
36    term = getenv("TERM");
37    stat = ioctl(STDERR_FILENO, GIO_COLOR, &ColorDisplay);
38    if (stat < 0) {
39	if (!term) {
40	    if (setenv("TERM", "vt100", 1) < 0)
41		return -1;
42	    if (setenv("TERMCAP", termcap_vt100, 1) < 0)
43		return -1;
44	}
45	if (DebugFD == -1)
46	    DebugFD = dup(1);
47	OnSerial = TRUE;
48    }
49    else {
50	if (ColorDisplay) {
51	    if (!term) {
52		if (setenv("TERM", "cons25", 1) < 0)
53		    return -1;
54		if (setenv("TERMCAP", termcap_cons25, 1) < 0)
55		    return -1;
56	    }
57	}
58	else {
59	    if (!term) {
60		if (setenv("TERM", "cons25-m", 1) < 0)
61		    return -1;
62		if (setenv("TERMCAP", termcap_cons25_m, 1) < 0)
63		    return -1;
64	    }
65	}
66	if (DebugFD == -1) {
67	    DebugFD = open("/dev/ttyv1", O_WRONLY);
68	    ioctl(DebugFD, TIOCCONS, (char *)NULL);
69	}
70	OnVTY = TRUE;
71    }
72    return 0;
73}
74