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/* $OpenBSD: pccon.c,v 1.2 2000/06/30 16:00:29 millert Exp $ */
/*
* Copyright (c) 1997, Jason Downs. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/types.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <err.h>
#include <i386/pccons.h>
extern char *__progname;
int main(argc, argv)
int argc;
char *argv[];
{
int ch, fd, blank;
char *ep, *dev = _PATH_CONSOLE;
blank = -1;
while ((ch = getopt(argc, argv, "b:f:")) != -1) {
switch (ch) {
case 'b':
blank = strtol(optarg, &ep, 10);
if (ep == optarg)
errx (1, "numeric argument expected");
if (blank < 0)
errx (1, "illegal blank value");
break;
case 'f':
dev = optarg;
break;
default:
fprintf (stderr,
"usage: %s [-f device] [-b interval]\n",
__progname);
exit (1);
}
}
fd = open (dev, O_RDWR);
if (fd < 0)
err (1, "%s", dev);
if (blank >= 0) {
if (ioctl(fd, CONSOLE_SET_BLANK, &blank) < 0)
err (1, "ioctl");
}
close (fd);
exit (0);
}
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