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/* futimesat basic tests.
Copyright (C) 2021-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <support/test-driver.h>
#include <support/temp_file.h>
#include <support/xunistd.h>
#ifndef struct_stat
# define struct_stat struct stat64
# define fstat fstat64
# define fstatat fstatat64
#endif
static int dir_fd;
static void
prepare (int argc, char *argv[])
{
size_t test_dir_len = strlen (test_dir);
static const char dir_name[] = "/tst-futimesat.XXXXXX";
size_t dirbuflen = test_dir_len + sizeof (dir_name);
char *dirbuf = malloc (dirbuflen);
if (dirbuf == NULL)
{
puts ("out of memory");
exit (1);
}
snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
if (mkdtemp (dirbuf) == NULL)
{
puts ("cannot create temporary directory");
exit (1);
}
add_temp_file (dirbuf);
dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
if (dir_fd == -1)
{
puts ("cannot open directory");
exit (1);
}
}
#define PREPARE prepare
static int
do_test (void)
{
/* fdopendir takes over the descriptor, make a copy. */
int dupfd = dup (dir_fd);
if (dupfd == -1)
{
puts ("dup failed");
return 1;
}
if (lseek (dupfd, 0, SEEK_SET) != 0)
{
puts ("1st lseek failed");
return 1;
}
/* The directory should be empty safe the . and .. files. */
DIR *dir = fdopendir (dupfd);
if (dir == NULL)
{
puts ("fdopendir failed");
return 1;
}
struct dirent64 *d;
while ((d = readdir64 (dir)) != NULL)
if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
{
printf ("temp directory contains file \"%s\"\n", d->d_name);
return 1;
}
closedir (dir);
/* Try to create a file. */
int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
if (fd == -1)
{
if (errno == ENOSYS)
{
puts ("*at functions not supported");
return 0;
}
puts ("file creation failed");
return 1;
}
xwrite (fd, "hello", 5);
puts ("file created");
struct_stat st1;
if (fstat (fd, &st1) != 0)
{
puts ("fstat64 failed");
return 1;
}
close (fd);
struct timeval tv[2];
tv[0].tv_sec = st1.st_atime + 1;
tv[0].tv_usec = 0;
tv[1].tv_sec = st1.st_mtime + 1;
tv[1].tv_usec = 0;
if (futimesat (dir_fd, "some-file", tv) != 0)
{
puts ("futimesat failed");
return 1;
}
struct_stat st2;
if (fstatat (dir_fd, "some-file", &st2, 0) != 0)
{
puts ("fstatat64 failed");
return 1;
}
if (st2.st_mtime != tv[1].tv_sec
#ifdef _STATBUF_ST_NSEC
|| st2.st_mtim.tv_nsec != 0
#endif
)
{
puts ("stat shows different mtime");
return 1;
}
if (unlinkat (dir_fd, "some-file", 0) != 0)
{
puts ("unlinkat failed");
return 1;
}
close (dir_fd);
return 0;
}
#include <support/test-driver.c>
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