GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tty/tty.c Lines: 0 14 0.0 %
Date: 2016-12-06 Branches: 0 10 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: tty.c,v 1.10 2015/10/12 19:56:47 naddy Exp $	*/
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/*	$NetBSD: tty.c,v 1.4 1994/12/07 00:46:57 jtc Exp $	*/
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/*
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 * Copyright (c) 1988, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <err.h>
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static void usage(void);
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int
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main(int argc, char *argv[])
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{
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	int ch, sflag;
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	char *t;
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	if (pledge("stdio rpath wpath cpath", NULL) == -1)
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		err(1, "pledge");
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	sflag = 0;
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	while ((ch = getopt(argc, argv, "s")) != -1) {
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		switch(ch) {
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		case 's':
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			sflag = 1;
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			break;
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		case '?':
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		default:
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			usage();
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			/* NOTREACHED */
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		}
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	}
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	t = ttyname(STDIN_FILENO);
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	if (!sflag)
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		puts(t ? t : "not a tty");
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	exit(t ? 0 : 1);
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}
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static void
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usage(void)
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{
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	fprintf(stderr, "usage: tty [-s]\n");
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	exit(2);
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}