70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
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*
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* Test whether ustat(2) system call returns appropriate error number for
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* invalid dev_t parameter and for bad address paramater.
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*/
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#include "config.h"
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#include "tst_test.h"
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#if defined(HAVE_SYS_USTAT_H) || defined(HAVE_LINUX_TYPES_H)
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#include <unistd.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "lapi/syscalls.h"
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#include "lapi/ustat.h"
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static dev_t invalid_dev = -1;
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static dev_t root_dev;
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struct ustat ubuf;
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static struct test_case_t {
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char *err_desc;
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int exp_errno;
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char *exp_errval;
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dev_t *dev;
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struct ustat *buf;
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} tc[] = {
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{"Invalid parameter", EINVAL, "EINVAL", &invalid_dev, &ubuf},
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#ifndef UCLINUX
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{"Bad address", EFAULT, "EFAULT", &root_dev, (void*)-1}
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#endif
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};
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int TST_TOTAL = ARRAY_SIZE(tc);
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void run(unsigned int test)
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{
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TEST(tst_syscall(__NR_ustat, (unsigned int)*tc[test].dev, tc[test].buf));
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if ((TST_RET == -1) && (TST_ERR == tc[test].exp_errno))
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tst_res(TPASS | TTERRNO, "ustat(2) expected failure");
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else
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tst_res(TFAIL | TTERRNO,
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"ustat(2) failed to produce expected error; %d, errno"
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": %s", tc[test].exp_errno, tc[test].exp_errval);
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}
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static void setup(void)
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{
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struct stat buf;
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/* Find a valid device number */
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SAFE_STAT("/", &buf);
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root_dev = buf.st_dev;
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}
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static struct tst_test test = {
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.test = run,
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.setup = setup,
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.tcnt = ARRAY_SIZE(tc),
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};
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#else
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TST_TEST_TCONF("testing ustat requires <sys/ustat.h> or <linux/types.h>");
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#endif
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