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/* Tests of mkdirat.
Copyright (C) 2009-2022 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 (mkdirat, int, (int, char const *, mode_t));
#include <fcntl.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "ignore-value.h"
#include "macros.h"
#define BASE "test-mkdirat.t"
#include "test-mkdir.h"
static int dfd = AT_FDCWD;
/* Wrapper to test mkdirat like mkdir. */
static int
do_mkdir (char const *name, mode_t mode)
{
return mkdirat (dfd, name, mode);
}
int
main (_GL_UNUSED int argc, char *argv[])
{
int result;
/* Clean up any trash from prior testsuite runs. */
ignore_value (system ("rm -rf " BASE "*"));
/* Test behaviour for invalid file descriptors. */
{
errno = 0;
ASSERT (mkdirat (-1, "foo", 0700) == -1);
ASSERT (errno == EBADF);
}
{
close (99);
errno = 0;
ASSERT (mkdirat (99, "foo", 0700) == -1);
ASSERT (errno == EBADF);
}
/* Test basic mkdir functionality. */
result = test_mkdir (do_mkdir, false);
dfd = open (".", O_RDONLY);
ASSERT (0 <= dfd);
ASSERT (test_mkdir (do_mkdir, false) == result);
/* Tests specific to mkdirat. */
ASSERT (mkdirat (dfd, BASE "dir1", 0700) == 0);
ASSERT (chdir (BASE "dir1") == 0);
ASSERT (close (dfd) == 0);
dfd = open ("..", O_RDONLY);
ASSERT (0 <= dfd);
ASSERT (mkdirat (dfd, BASE "dir2", 0700) == 0);
ASSERT (close (dfd) == 0);
errno = 0;
ASSERT (mkdirat (dfd, BASE "dir3", 0700) == -1);
ASSERT (errno == EBADF);
dfd = open ("/dev/null", O_RDONLY);
ASSERT (0 <= dfd);
errno = 0;
ASSERT (mkdirat (dfd, "dir3", 0700) == -1);
ASSERT (errno == ENOTDIR);
ASSERT (close (dfd) == 0);
ASSERT (chdir ("..") == 0);
ASSERT (rmdir (BASE "dir1") == 0);
ASSERT (rmdir (BASE "dir2") == 0);
return result;
}
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