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/* Tests of utimensat.
Copyright (C) 2009-2025 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Eric Blake <ebb9@byu.net>, 2009. */
#include <config.h>
#include <sys/stat.h>
#include "signature.h"
SIGNATURE_CHECK (utimensat, int, (int, char const *, struct timespec const[2],
int));
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "stat-time.h"
#include "timespec.h"
#include "utimecmp.h"
#include "ignore-value.h"
#include "macros.h"
#define BASE "test-utimensat.t"
#include "test-lutimens.h"
#include "test-utimens.h"
static int dfd = AT_FDCWD;
/* Wrap utimensat to behave like utimens. */
static int
do_utimensat (char const *name, struct timespec const times[2])
{
return utimensat (dfd, name, times, 0);
}
/* Wrap utimensat to behave like lutimens. */
static int
do_lutimensat (char const *name, struct timespec const times[2])
{
return utimensat (dfd, name, times, AT_SYMLINK_NOFOLLOW);
}
int
main (void)
{
int result1; /* Skip because of no symlink support. */
int result2; /* Skip because of no lutimens support. */
int fd;
/* Clean up any trash from prior testsuite runs. */
ignore_value (system ("rm -rf " BASE "*"));
/* Test behaviour for invalid file descriptors. */
{
errno = 0;
ASSERT (utimensat (-1, "foo", NULL, 0) == -1);
ASSERT (errno == EBADF);
}
{
close (99);
errno = 0;
ASSERT (utimensat (99, "foo", NULL, 0) == -1);
ASSERT (errno == EBADF);
}
/* Basic tests. */
result1 = test_utimens (do_utimensat, true);
result2 = test_lutimens (do_lutimensat, result1 == 0);
dfd = open (".", O_RDONLY);
ASSERT (0 <= dfd);
ASSERT (test_utimens (do_utimensat, false) == result1);
ASSERT (test_lutimens (do_lutimensat, false) == result2);
/* We expect 0/0, 0/77, or 77/77, but not 77/0. */
ASSERT (result1 <= result2);
/* Directory-relative tests. */
ASSERT (mkdir (BASE "dir", 0700) == 0);
ASSERT (chdir (BASE "dir") == 0);
fd = open ("file", O_RDWR | O_CREAT | O_TRUNC, 0600);
ASSERT (0 <= fd);
bool check_atime = checkable_atime (fd, NULL);
errno = 0;
ASSERT (utimensat (fd, ".", NULL, 0) == -1);
ASSERT (errno == ENOTDIR);
{
struct timespec ts[2];
struct stat st;
ts[0].tv_sec = Y2K;
ts[0].tv_nsec = 0;
ts[1].tv_sec = Y2K;
ts[1].tv_nsec = 0;
ASSERT (utimensat (dfd, BASE "dir/file", ts, AT_SYMLINK_NOFOLLOW) == 0);
ASSERT (stat ("file", &st) == 0);
if (check_atime)
{
ASSERT (st.st_atime == Y2K);
ASSERT (get_stat_atime_ns (&st) == 0);
}
ASSERT (st.st_mtime == Y2K);
ASSERT (get_stat_mtime_ns (&st) == 0);
}
ASSERT (close (fd) == 0);
ASSERT (close (dfd) == 0);
errno = 0;
ASSERT (utimensat (dfd, ".", NULL, 0) == -1);
ASSERT (errno == EBADF);
/* Cleanup. */
ASSERT (chdir ("..") == 0);
ASSERT (unlink (BASE "dir/file") == 0);
ASSERT (rmdir (BASE "dir") == 0);
int result = result1 | result2;
return (result ? result : test_exit_status);
}
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