os161/userland/testbin/badcall/bad_readlink.c
2016-03-01 17:47:52 -05:00

109 lines
2.8 KiB
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.
*/
/*
* readlink
*/
#include <unistd.h>
#include <errno.h>
#include "test.h"
static
int
readlink_file(void)
{
char buf[128];
int fd, rv;
int result;
report_begin("readlink on file");
fd = open_testfile("the question contains an invalid assumption");
if (fd<0) {
report_aborted(&result);
return result;
}
close(fd);
rv = readlink(TESTFILE, buf, sizeof(buf));
result = report_check(rv, errno, EINVAL);
remove(TESTFILE);
return result;
}
static
int
readlink_dir(void)
{
char buf[128];
int rv;
report_begin("readlink on .");
rv = readlink(".", buf, sizeof(buf));
return report_check(rv, errno, EISDIR);
}
static
int
readlink_empty(void)
{
char buf[128];
int rv;
report_begin("readlink on empty string");
rv = readlink("", buf, sizeof(buf));
return report_check2(rv, errno, EISDIR, EINVAL);
}
void
test_readlink(void)
{
int ntests = 0, lost_points = 0;
int result;
test_readlink_path(&ntests, &lost_points);
test_readlink_buf(&ntests, &lost_points);
ntests++;
result = readlink_file();
handle_result(result, &lost_points);
ntests++;
result = readlink_dir();
handle_result(result, &lost_points);
ntests++;
result = readlink_empty();
handle_result(result, &lost_points);
if(!lost_points)
success(TEST161_SUCCESS, SECRET, "/testbin/badcall");
}