71 lines
1.5 KiB
C
71 lines
1.5 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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* 07/2001 Ported by Wayne Boyer
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*/
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/*
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* Description:
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* 1) lseek64(2) fails and sets errno to EINVAL when whence is invalid.
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* 2) lseek64(2) fails ans sets errno to EBADF when fd is not an open
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* file descriptor.
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*/
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include <stdio.h>
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#include "tst_test.h"
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#define TEMP_FILE1 "tmp_file1"
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#define TEMP_FILE2 "tmp_file2"
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#define FILE_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH
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#define SEEK_TOP 10
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static int fd1;
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static int fd2;
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static struct tcase {
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int *fd;
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int whence;
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int exp_err;
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} tcases[] = {
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{&fd1, SEEK_TOP, EINVAL},
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{&fd2, SEEK_SET, EBADF},
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};
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static void verify_llseek(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TEST(lseek64(*tc->fd, (loff_t) 1, tc->whence));
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if (TST_RET != (off_t) -1) {
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tst_res(TFAIL, "lseek64(%d, 1, %d) succeeded unexpectedly (%ld)",
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*tc->fd, tc->whence, TST_RET);
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return;
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}
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if (TST_ERR == tc->exp_err) {
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tst_res(TPASS | TTERRNO, "lseek64(%d, 1, %d) failed as expected",
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*tc->fd, tc->whence);
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} else {
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tst_res(TFAIL | TTERRNO, "lseek64(%d, 1, %d) failed "
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"unexpectedly, expected %s", *tc->fd, tc->whence,
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tst_strerrno(tc->exp_err));
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}
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}
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static void setup(void)
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{
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fd1 = SAFE_OPEN(TEMP_FILE1, O_RDWR | O_CREAT, FILE_MODE);
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fd2 = SAFE_OPEN(TEMP_FILE2, O_RDWR | O_CREAT, FILE_MODE);
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close(fd2);
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}
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static struct tst_test test = {
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.setup = setup ,
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.needs_tmpdir = 1 ,
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.test = verify_llseek,
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.tcnt = ARRAY_SIZE(tcases),
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};
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