/*
 * cutmp.c - Clears a terminal entry in utmp.
 *
 * Copyright (c) 2001-2003 Andre Guibert de Bruet. <andre@siliconlandmark.com>
 * 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,
 *    without modification, immediately at the beginning of the file.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <libutil.h>
#include <stdio.h>

void print_usage(void)
{
	printf("cutmp takes one argument at the command line, a terminal.\n");
	printf("Do not prepend /dev/. Example usage: cutmp ttyp0\n");
	printf("cutmp ttyp0\n");
	return;
}

int main(int argc, char **argv)
{
	if(argc == 2 && argv[1])
	{
		printf("Attempting to free %s in utmp... ", argv[1]);
		if(logout(argv[1]))
		{
			printf("success!\n", argv[1]);
			return 0;
		} else {
			printf("failed.\n", argv[1]);
			return 1;
		}
	} else {
		print_usage();
	}
	return 2;
}