110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Linux Test Project, 2009-2021
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* Copyright (c) 2016 Oracle and/or its affiliates. All Rights Reserved.
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* Copyright (c) International Business Machines Corp., 2006
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* Author: Yi Yang <yyangcdl@cn.ibm.com>
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*/
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/*\
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* [Description]
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* Basic unlinkat() test.
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*/
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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#include "tst_safe_stdio.h"
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#include "lapi/fcntl.h"
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static const char pathname[] = "unlinkattestdir",
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subpathname[] = "unlinkatsubtestdir",
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subpathdir[] = "unlinkattestdir/unlinkatsubtestdir",
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testfile[] = "unlinkattestfile.txt",
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testfile2[] = "unlinkattestdir/unlinkattestfile.txt";
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static char *testfile3;
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static int fd;
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static int getfd(int i)
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{
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if (i == 2)
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fd = SAFE_OPEN(testfile3, O_CREAT | O_RDWR, 0600);
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else
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fd = SAFE_OPEN(pathname, O_DIRECTORY);
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return fd;
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}
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static struct tcase {
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int fd;
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const char *filename;
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int flag;
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int exp_errno;
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} tc[] = {
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{0, testfile, 0, 0},
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{0, NULL, 0, 0},
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{0, testfile, 0, ENOTDIR},
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{100, testfile, 0, EBADF},
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{0, testfile, 9999, EINVAL},
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{AT_FDCWD, testfile, 0, 0},
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{0, subpathname, AT_REMOVEDIR, 0},
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};
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static void run(unsigned int i)
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{
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/* tesfile2 will be unlinked by test0. */
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if (access(testfile2, F_OK))
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SAFE_FILE_PRINTF(testfile2, testfile2);
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/* testfile3 will be unlined by test1. */
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if (access(testfile3, F_OK))
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SAFE_OPEN(testfile3, O_CREAT | O_RDWR, 0600);
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/* subpathdir will be unlinked by test6. */
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if (access(subpathdir, F_OK))
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SAFE_MKDIR(subpathdir, 0700);
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/* testfile must exist except test1 and test6. */
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if (access(testfile, F_OK))
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SAFE_FILE_PRINTF(testfile, testfile);
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if (tc[i].fd)
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TEST(unlinkat(tc[i].fd, tc[i].filename, tc[i].flag));
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else
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TEST(unlinkat(getfd(i), tc[i].filename, tc[i].flag));
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if (TST_ERR == tc[i].exp_errno)
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tst_res(TPASS | TTERRNO, "unlinkat() returned expected errno");
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else
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tst_res(TFAIL | TTERRNO, "unlinkat() failed");
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if (!tc[i].fd)
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SAFE_CLOSE(fd);
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}
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static void setup(void)
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{
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char buf[PATH_MAX];
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SAFE_GETCWD(buf, PATH_MAX);
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SAFE_ASPRINTF(&testfile3, "%s/unlinkatfile3.txt", buf);
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tc[1].filename = testfile3;
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SAFE_MKDIR(pathname, 0700);
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}
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static void cleanup(void)
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{
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SAFE_UNLINK(testfile);
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SAFE_UNLINK(testfile2);
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SAFE_RMDIR(pathname);
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}
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static struct tst_test test = {
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.needs_tmpdir = 1,
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.tcnt = ARRAY_SIZE(tc),
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.min_kver = "2.6.16",
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.setup = setup,
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.test = run,
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.cleanup = cleanup,
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};
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