69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
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* Copyright (c) Linux Test Project, 2002-2022
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*/
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/*\
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* [Description]
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*
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* Verify that unlink(2) fails with
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*
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* - ENOENT when file does not exist
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* - ENOENT when pathname is empty
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* - ENOENT when a component in pathname does not exist
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* - EFAULT when pathname points outside the accessible address space
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* - ENOTDIR when a component used as a directory in pathname is not,
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* in fact, a directory
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* - ENAMETOOLONG when pathname is too long
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*/
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#include <errno.h>
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#include <limits.h>
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#include <string.h>
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#include <unistd.h>
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#include "tst_test.h"
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static char longpathname[PATH_MAX + 2];
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static struct test_case_t {
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char *name;
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char *desc;
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int exp_errno;
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} tcases[] = {
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{"nonexistfile", "non-existent file", ENOENT},
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{"", "path is empty string", ENOENT},
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{"nefile/file", "path contains a non-existent file", ENOENT},
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{NULL, "invalid address", EFAULT},
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{"file/file", "path contains a regular file", ENOTDIR},
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{longpathname, "pathname too long", ENAMETOOLONG},
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};
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static void verify_unlink(unsigned int n)
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{
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struct test_case_t *tc = &tcases[n];
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TST_EXP_FAIL(unlink(tc->name), tc->exp_errno, "%s", tc->desc);
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}
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static void setup(void)
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{
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size_t n;
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SAFE_TOUCH("file", 0777, NULL);
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memset(longpathname, 'a', PATH_MAX + 2);
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for (n = 0; n < ARRAY_SIZE(tcases); n++) {
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if (!tcases[n].name)
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tcases[n].name = tst_get_bad_addr(NULL);
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}
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}
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static struct tst_test test = {
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.needs_tmpdir = 1,
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.setup = setup,
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.tcnt = ARRAY_SIZE(tcases),
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.test = verify_unlink,
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};
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