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/* Test of mkdir() function.
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/>. */
/* This file is designed to test both mkdir(a,b) and
mkdirat(AT_FDCWD,a,b). FUNC is the function to test. Assumes that
BASE and ASSERT are already defined, and that appropriate headers
are already included. If PRINT, warn before skipping tests with
status 77 when symlinks are unsupported. */
static int
test_mkdir (int (*func) (char const *, mode_t), bool print)
{
/* Test basic error handling. */
ASSERT (close (creat (BASE "file", 0600)) == 0);
errno = 0;
ASSERT (func (BASE "file", 0700) == -1);
ASSERT (errno == EEXIST);
errno = 0;
ASSERT (func (BASE "file/", 0700) == -1);
ASSERT (errno == ENOTDIR || errno == EEXIST);
errno = 0;
ASSERT (func (BASE "file/dir", 0700) == -1);
ASSERT (errno == ENOTDIR || errno == ENOENT || errno == EOPNOTSUPP);
ASSERT (unlink (BASE "file") == 0);
errno = 0;
ASSERT (func ("", 0700) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (func (BASE "dir/sub", 0700) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (func (BASE "dir/.", 0700) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (func (BASE "dir/.//", 0700) == -1);
ASSERT (errno == ENOENT);
/* Test trailing slash handling. */
ASSERT (func (BASE "dir", 0700) == 0);
errno = 0;
ASSERT (func (BASE "dir", 0700) == -1);
ASSERT (errno == EEXIST);
ASSERT (rmdir (BASE "dir") == 0);
ASSERT (func (BASE "dir/", 0700) == 0);
errno = 0;
ASSERT (func (BASE "dir/", 0700) == -1);
ASSERT (errno == EEXIST);
ASSERT (rmdir (BASE "dir") == 0);
/* Test symlink behavior. POSIX requires the creation of
directories through a dangling symlink with trailing slash, but
GNU does not yet implement that, so we support either behavior
for now. */
if (symlink (BASE "dir", BASE "link"))
{
if (print)
fputs ("skipping test: symlinks not supported on this file system\n",
stderr);
return 77;
}
errno = 0;
ASSERT (func (BASE "link", 0700) == -1);
ASSERT (errno == EEXIST);
{
int result;
errno = 0;
result = func (BASE "link/", 0700);
if (!result)
ASSERT (rmdir (BASE "dir") == 0);
else
{
ASSERT (result == -1);
ASSERT (errno == EEXIST);
errno = 0;
ASSERT (rmdir (BASE "dir") == -1);
ASSERT (errno == ENOENT);
}
}
errno = 0;
ASSERT (func (BASE "link/.", 0700) == -1);
ASSERT (errno == ENOENT);
ASSERT (unlink (BASE "link") == 0);
return 0;
}
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