minix/tests/lib/libc/gen/t_getcwd.c

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/* $NetBSD: t_getcwd.c,v 1.3 2011/07/27 05:04:11 jruoho Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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/cdefs.h>
__RCSID("$NetBSD: t_getcwd.c,v 1.3 2011/07/27 05:04:11 jruoho Exp $");
#include <sys/param.h>
#include <sys/stat.h>
#include <atf-c.h>
#include <errno.h>
#include <fts.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>
ATF_TC(getcwd_err);
ATF_TC_HEAD(getcwd_err, tc)
{
atf_tc_set_md_var(tc, "descr", "Test error conditions in getcwd(3)");
}
ATF_TC_BODY(getcwd_err, tc)
{
char buf[MAXPATHLEN];
errno = 0;
ATF_REQUIRE(getcwd(buf, 0) == NULL);
ATF_REQUIRE(errno == EINVAL);
errno = 0;
ATF_REQUIRE(getcwd((void *)-1, sizeof(buf)) == NULL);
ATF_REQUIRE(errno == EFAULT);
}
ATF_TC(getcwd_fts);
ATF_TC_HEAD(getcwd_fts, tc)
{
atf_tc_set_md_var(tc, "descr", "A basic test of getcwd(3)");
}
ATF_TC_BODY(getcwd_fts, tc)
{
const char *str = NULL;
char buf[MAXPATHLEN];
char *argv[2];
FTSENT *ftse;
FTS *fts;
int ops;
short depth;
/*
* Do not traverse too deep; cf. PR bin/45180.
*/
depth = 2;
argv[1] = NULL;
argv[0] = __UNCONST("/");
/*
* Test that getcwd(3) works with basic
* system directories. Note that having
* no FTS_NOCHDIR specified should ensure
* that the current directory is visited.
*/
ops = FTS_PHYSICAL | FTS_NOSTAT;
fts = fts_open(argv, ops, NULL);
if (fts == NULL) {
str = "failed to initialize fts(3)";
goto out;
}
while ((ftse = fts_read(fts)) != NULL) {
if (ftse->fts_level < 1)
continue;
if (ftse->fts_level > depth) {
(void)fts_set(fts, ftse, FTS_SKIP);
continue;
}
switch(ftse->fts_info) {
case FTS_DP:
(void)memset(buf, 0, sizeof(buf));
if (getcwd(buf, sizeof(buf)) == NULL) {
str = "getcwd(3) failed";
goto out;
}
if (strstr(ftse->fts_path, buf) == NULL) {
str = "getcwd(3) returned incorrect path";
goto out;
}
break;
default:
break;
}
}
out:
if (fts != NULL)
(void)fts_close(fts);
if (str != NULL)
atf_tc_fail("%s", str);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, getcwd_err);
ATF_TP_ADD_TC(tp, getcwd_fts);
return atf_no_error();
}