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

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/*	$OpenBSD: printenv.c,v 1.8 2015/10/09 01:37:08 deraadt Exp $	*/
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/*
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 * Copyright (c) 1987 Regents of the University of California.
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 * 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 <string.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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/*
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 * printenv
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 *
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 * Bill Joy, UCB
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 * February, 1979
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 */
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int
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main(int argc, char *argv[])
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{
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	extern char **environ;
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	char *cp, **ep;
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	int len;
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	if (pledge("stdio wpath cpath rpath", NULL) == -1)
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		err(1, "pledge");
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	if (argc < 2) {
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		for (ep = environ; *ep; ep++)
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			puts(*ep);
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		exit(0);
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	}
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	len = strlen(*++argv);
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	for (ep = environ; *ep; ep++)
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		if (!strncmp(*ep, *argv, len)) {
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			cp = *ep + len;
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			if (!*cp || *cp == '=') {
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				puts(*cp ? cp + 1 : cp);
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				exit(0);
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			}
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		}
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	exit(1);
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}