108 lines
2.3 KiB
C
108 lines
2.3 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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* 06/2017 modified by Xiao Yang <yangx.jy@cn.fujitsu.com>
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*/
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/*
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* DESCRIPTION
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* 1) lseek(2) fails and sets errno to EBADF when fd is invalid.
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* 2) lseek(2) fails ans sets errno to EINVAL when whence is invalid.
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* 3) lseek(2) fails and sets errno to ESPIPE when fd is associated
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* with a pipe or FIFO.
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*/
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#include <errno.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include "tst_test.h"
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#define TFILE "tfile"
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#define TFIFO1 "tfifo1"
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#define TFIFO2 "tfifo2"
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static int bad_fd = -1;
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static int fd, pfd1, pfd2;
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static int pfds[2];
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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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{&bad_fd, SEEK_SET, EBADF},
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{&bad_fd, SEEK_CUR, EBADF},
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{&bad_fd, SEEK_END, EBADF},
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{&fd, 5, EINVAL},
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{&fd, -1, EINVAL},
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{&fd, 7, EINVAL},
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{&pfd1, SEEK_SET, ESPIPE},
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{&pfd1, SEEK_CUR, ESPIPE},
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{&pfd1, SEEK_END, ESPIPE},
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{&pfds[0], SEEK_SET, ESPIPE},
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{&pfds[0], SEEK_CUR, ESPIPE},
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{&pfds[0], SEEK_END, ESPIPE},
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{&pfd2, SEEK_SET, ESPIPE},
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{&pfd2, SEEK_CUR, ESPIPE},
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{&pfd2, SEEK_END, ESPIPE},
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};
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static void verify_lseek(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TEST(lseek(*tc->fd, (off_t) 1, tc->whence));
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if (TST_RET != (off_t) -1) {
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tst_res(TFAIL, "lseek(%d, 1, %d) succeeded unexpectedly",
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*tc->fd, tc->whence);
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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, "lseek(%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, "lseek(%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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fd = SAFE_OPEN(TFILE, O_RDWR | O_CREAT, 0777);
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SAFE_MKFIFO(TFIFO1, 0777);
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pfd1 = SAFE_OPEN(TFIFO1, O_RDWR, 0777);
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SAFE_PIPE(pfds);
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SAFE_MKNOD(TFIFO2, S_IFIFO | 0777, 0);
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pfd2 = SAFE_OPEN(TFIFO2, O_RDWR, 0777);
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}
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static void cleanup(void)
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{
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if (fd > 0)
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SAFE_CLOSE(fd);
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if (pfd1 > 0)
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SAFE_CLOSE(pfd1);
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if (pfds[0] > 0)
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SAFE_CLOSE(pfds[0]);
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if (pfds[1] > 0)
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SAFE_CLOSE(pfds[1]);
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if (pfd2 > 0)
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SAFE_CLOSE(pfd2);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.tcnt = ARRAY_SIZE(tcases),
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.test = verify_lseek,
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.needs_tmpdir = 1,
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};
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