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/* Tests of fdutimensat.
Copyright (C) 2009-2023 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 "utimens.h"
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include "ignore-value.h"
#include "macros.h"
#define BASE "test-fdutimensat.t"
#include "test-futimens.h"
#include "test-lutimens.h"
#include "test-utimens.h"
static int dfd = AT_FDCWD;
/* Wrap fdutimensat to behave like futimens. */
static int
do_futimens (int fd, struct timespec const times[2])
{
return fdutimensat (fd, dfd, NULL, times, 0);
}
/* Test the use of file descriptors alongside a name. */
static int
do_fdutimens (char const *name, struct timespec const times[2])
{
int result;
int nofollow_result;
int nofollow_errno;
int fd = openat (dfd, name, O_WRONLY);
if (fd < 0)
fd = openat (dfd, name, O_RDONLY);
errno = 0;
nofollow_result = fdutimensat (fd, dfd, name, times, AT_SYMLINK_NOFOLLOW);
nofollow_errno = errno;
result = fdutimensat (fd, dfd, name, times, 0);
ASSERT (result == nofollow_result
|| (nofollow_result == -1 && nofollow_errno == ENOSYS));
if (0 <= fd)
{
int saved_errno = errno;
close (fd);
errno = saved_errno;
}
return result;
}
/* Wrap lutimensat to behave like lutimens. */
static int
do_lutimens (const char *name, struct timespec const times[2])
{
return lutimensat (dfd, name, times);
}
/* Wrap fdutimensat to behave like lutimens. */
static int
do_lutimens1 (const char *name, struct timespec const times[2])
{
return fdutimensat (-1, dfd, name, times, AT_SYMLINK_NOFOLLOW);
}
/* Wrap fdutimensat to behave like utimens. */
static int
do_utimens (const char *name, struct timespec const times[2])
{
return fdutimensat (-1, dfd, name, times, 0);
}
int
main (void)
{
int result1; /* Skip because of no symlink support. */
int result2; /* Skip because of no futimens support. */
int result3; /* Skip because of no lutimens support. */
int fd;
/* Clean up any trash from prior testsuite runs. */
ignore_value (system ("rm -rf " BASE "*"));
/* Basic tests. */
result1 = test_utimens (do_utimens, true);
ASSERT (test_utimens (do_fdutimens, false) == result1);
result2 = test_futimens (do_futimens, result1 == 0);
result3 = test_lutimens (do_lutimens, (result1 + result2) == 0);
/* We expect 0/0, 0/77, or 77/77, but not 77/0. */
ASSERT (result1 <= result3);
ASSERT (test_lutimens (do_lutimens1, (result1 + result2) == 0) == result3);
dfd = open (".", O_RDONLY);
ASSERT (0 <= dfd);
ASSERT (test_utimens (do_utimens, false) == result1);
ASSERT (test_utimens (do_fdutimens, false) == result1);
ASSERT (test_futimens (do_futimens, false) == result2);
ASSERT (test_lutimens (do_lutimens, false) == result3);
ASSERT (test_lutimens (do_lutimens1, false) == result3);
/* Directory relative tests. */
ASSERT (mkdir (BASE "dir", 0700) == 0);
ASSERT (chdir (BASE "dir") == 0);
fd = creat ("file", 0600);
ASSERT (0 <= fd);
errno = 0;
ASSERT (fdutimensat (AT_FDCWD, 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] = ts[0];
ASSERT (fdutimensat (fd, dfd, BASE "dir/file", ts, 0) == 0);
ASSERT (stat ("file", &st) == 0);
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 (fdutimensat (-1, dfd, ".", NULL, 0) == -1);
ASSERT (errno == EBADF);
/* Cleanup. */
ASSERT (chdir ("..") == 0);
ASSERT (unlink (BASE "dir/file") == 0);
ASSERT (rmdir (BASE "dir") == 0);
return result1 | result2 | result3;
}
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