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/* Tests of unlinkat.
Copyright (C) 2009-2020 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 <unistd.h>
#include "signature.h"
SIGNATURE_CHECK (unlinkat, int, (int, char const *, int));
#include <fcntl.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "unlinkdir.h"
#include "ignore-value.h"
#include "macros.h"
#define BASE "test-unlinkat.t"
#include "test-rmdir.h"
#include "test-unlink.h"
static int dfd = AT_FDCWD;
/* Wrapper around unlinkat to test rmdir behavior. */
static int
rmdirat (char const *name)
{
return unlinkat (dfd, name, AT_REMOVEDIR);
}
/* Wrapper around unlinkat to test unlink behavior. */
static int
unlinker (char const *name)
{
return unlinkat (dfd, name, 0);
}
int
main (int argc _GL_UNUSED, char *argv[])
{
/* FIXME: Add tests of fd other than ".". */
int result1;
int result2;
/* Remove any leftovers from a previous partial run. */
ignore_value (system ("rm -rf " BASE "*"));
/* Test behaviour for invalid file descriptors. */
{
errno = 0;
ASSERT (unlinkat (-1, "foo", 0) == -1);
ASSERT (errno == EBADF);
}
{
close (99);
errno = 0;
ASSERT (unlinkat (99, "foo", 0) == -1);
ASSERT (errno == EBADF);
}
result1 = test_rmdir_func (rmdirat, false);
result2 = test_unlink_func (unlinker, false);
ASSERT (result1 == result2);
dfd = open (".", O_RDONLY);
ASSERT (0 <= dfd);
result2 = test_rmdir_func (rmdirat, false);
ASSERT (result1 == result2);
result2 = test_unlink_func (unlinker, false);
ASSERT (result1 == result2);
ASSERT (close (dfd) == 0);
if (result1 == 77)
fputs ("skipping test: symlinks not supported on this file system\n",
stderr);
return result1;
}
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