android13/external/ltp/testcases/kernel/syscalls/chdir/chdir04.c

43 lines
1.0 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) International Business Machines Corp., 2001
*/
/*\
* [Description]
*
* Testcase to test whether chdir(2) sets errno correctly.
*/
#include <errno.h>
#include "tst_test.h"
static char long_dir[] = "abcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyzabcdefghijklmnopqrstmnopqrstuvwxyz";
static char noexist_dir[] = "noexistdir";
static struct tcase {
char *dir;
int exp_errno;
} tcases[] = {
{long_dir, ENAMETOOLONG},
{noexist_dir, ENOENT},
{0, EFAULT}, // bad_addr
};
static void verify_chdir(unsigned int i)
{
TST_EXP_FAIL(chdir(tcases[i].dir), tcases[i].exp_errno, "chdir()");
}
static void setup(void)
{
tcases[2].dir = tst_get_bad_addr(NULL);
}
static struct tst_test test = {
.needs_tmpdir = 1,
.test = verify_chdir,
.tcnt = ARRAY_SIZE(tcases),
.setup = setup,
};