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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2014 Fujitsu Ltd.
* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
* Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
*/
/*\
* [Description]
*
* Verify that statvfs() fails with:
* - EFAULT when path points to an invalid address.
* - ELOOP when too many symbolic links were encountered in translating path.
* - ENAMETOOLONG when path is too long.
* - ENOENT when the file referred to by path does not exist.
* - ENOTDIR a component of the path prefix of path is not a directory.
*/
#include <sys/statvfs.h>
#include "tst_test.h"
#define TEST_SYMLINK "statvfs_symlink"
#define TEST_FILE "statvfs_file"
static struct statvfs buf;
static char nametoolong[PATH_MAX+2];
static struct tcase {
char *path;
struct statvfs *buf;
int exp_errno;
} tcases[] = {
{(char *)-1, &buf, EFAULT},
{TEST_SYMLINK, &buf, ELOOP},
{nametoolong, &buf, ENAMETOOLONG},
{"filenoexist", &buf, ENOENT},
{"statvfs_file/test", &buf, ENOTDIR},
};
static void setup(void)
{
unsigned int i;
SAFE_SYMLINK(TEST_SYMLINK, "symlink_2");
SAFE_SYMLINK("symlink_2", TEST_SYMLINK);
memset(nametoolong, 'a', PATH_MAX+1);
SAFE_TOUCH(TEST_FILE, 0644, NULL);
for (i = 0; i < ARRAY_SIZE(tcases); i++) {
if (tcases[i].path == (char *)-1)
tcases[i].path = tst_get_bad_addr(NULL);
}
}
static void run(unsigned int i)
{
struct tcase *tc = &tcases[i];
TST_EXP_FAIL(statvfs(tc->path, tc->buf), tc->exp_errno);
}
static struct tst_test test = {
.setup = setup,
.test = run,
.tcnt = ARRAY_SIZE(tcases),
.needs_tmpdir = 1
};
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