freebsd-dev/sbin/sysinstall/termcap.c

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/*
* Copyright (c) 1994, Paul Richards.
*
* All rights reserved.
*
* This software may be used, modified, copied, distributed, and sold, in both
* source and binary form provided that the above copyright and these terms
* are retained, verbatim, as the first lines of this file. Under no
* circumstances is the author responsible for the proper functioning of this
* software, nor does the author assume any responsibility for damages
* incurred with its use.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#include <fcntl.h>
#include <machine/console.h>
#include "sysinstall.h"
int
set_termcap()
{
char *term;
extern const char termcap_vt100[];
extern const char termcap_cons25[];
extern const char termcap_cons25_m[];
term = getenv("TERM");
if (term == NULL) {
int color_display;
if (ioctl(STDERR_FILENO, GIO_COLOR, &color_display) < 0) {
if (setenv("TERM", "vt100", 1) < 0)
return -1;
if (setenv("TERMCAP", termcap_vt100, 1) < 0)
return -1;
debug_fd = dup(1);
on_serial++;
} else if (color_display) {
if (setenv("TERM", "cons25", 1) < 0)
return -1;
if (setenv("TERMCAP", termcap_cons25, 1) < 0)
return -1;
debug_fd = open("/dev/ttyv1",O_WRONLY);
} else {
if (setenv("TERM", "cons25-m", 1) < 0)
return -1;
if (setenv("TERMCAP", termcap_cons25_m, 1) < 0)
return -1;
debug_fd = open("/dev/ttyv1",O_WRONLY);
}
} else {
debug_fd = open("sysinstall.debug",
O_WRONLY|O_CREAT|O_TRUNC,0644);
}
return 0;
}