98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* written by Wayne Boyer
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* Copyright (c) 2013 Markos Chandras
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* Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>
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*/
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/*\
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* [Description]
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*
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* Verify that:
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*
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* - getdents() fails with EBADF if file descriptor fd is invalid
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* - getdents() fails with EINVAL if result buffer is too small
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* - getdents() fails with ENOTDIR if file descriptor does not refer to a directory
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* - getdents() fails with ENOENT if directory was unlinked()
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*/
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#define _GNU_SOURCE
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#include <errno.h>
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#include "tst_test.h"
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#include "getdents.h"
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#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \
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S_IXGRP|S_IROTH|S_IXOTH)
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#define TEST_DIR "test_dir"
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char *TCID = "getdents02";
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static char *dirp;
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static size_t size;
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static char dirp1_arr[1];
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static char *dirp1 = dirp1_arr;
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static size_t size1 = 1;
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static int fd_inv = -5;
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static int fd;
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static int fd_file;
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static int fd_unlinked;
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static struct tcase {
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int *fd;
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char **dirp;
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size_t *size;
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int exp_errno;
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} tcases[] = {
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{ &fd_inv, &dirp, &size, EBADF },
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{ &fd, &dirp1, &size1, EINVAL },
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{ &fd_file, &dirp, &size, ENOTDIR },
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{ &fd_unlinked, &dirp, &size, ENOENT },
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};
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static void setup(void)
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{
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getdents_info();
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size = tst_dirp_size();
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dirp = tst_alloc(size);
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fd = SAFE_OPEN(".", O_RDONLY);
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fd_file = SAFE_OPEN("test", O_CREAT | O_RDWR, 0644);
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SAFE_MKDIR(TEST_DIR, DIR_MODE);
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fd_unlinked = SAFE_OPEN(TEST_DIR, O_DIRECTORY);
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SAFE_RMDIR(TEST_DIR);
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}
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static void run(unsigned int i)
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{
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struct tcase *tc = tcases + i;
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TEST(tst_getdents(*tc->fd, *tc->dirp, *tc->size));
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if (TST_RET != -1) {
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tst_res(TFAIL, "getdents() returned %ld", TST_RET);
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return;
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}
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if (TST_ERR == tc->exp_errno) {
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tst_res(TPASS | TTERRNO, "getdents failed as expected");
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} else if (errno == ENOSYS) {
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tst_res(TCONF, "syscall not implemented");
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} else {
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tst_res(TFAIL | TTERRNO, "getdents failed unexpectedly");
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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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.test = run,
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.setup = setup,
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.tcnt = ARRAY_SIZE(tcases),
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.test_variants = TEST_VARIANTS,
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};
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