cs350/user/testbin/badcall/bad_link.c

/*
 * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
 *	The President and Fellows of Harvard College.
 *
 * 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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY 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 UNIVERSITY 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.
 */

/*
 * link
 */

#include <unistd.h>
#include <errno.h>

#include "test.h"

static
void
link_dir(void)
{
	int rv;
	rv = link(".", TESTDIR);
	report_test(rv, errno, EINVAL, "hard link of .");
	if (rv==0) {
		/* this might help recover... maybe */
		remove(TESTDIR);
	}
}

static
void
link_empty1(void)
{
	int rv;
	rv = link("", TESTDIR);
	report_test(rv, errno, EINVAL, "hard link of empty string");
}

static
void
link_empty2(void)
{
	int rv;
	if (create_testdir()<0) {
		return;
	}
	rv = link(TESTDIR, "");
	report_test(rv, errno, EINVAL, "hard link to empty string");
	rmdir(TESTDIR);
}

void
test_link(void)
{
	test_link_paths();
	link_dir();
	link_empty1();
	link_empty2();
}