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/* Tests of symlinkat.
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 <unistd.h>
#include "signature.h"
SIGNATURE_CHECK (symlinkat, int, (char const *, int, char const *));
#include <fcntl.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "ignore-value.h"
#include "macros.h"
#ifndef HAVE_SYMLINK
# define HAVE_SYMLINK 0
#endif
#define BASE "test-symlinkat.t"
#include "test-symlink.h"
static int dfd = AT_FDCWD;
static int
do_symlink (char const *contents, char const *name)
{
return symlinkat (contents, dfd, name);
}
int
main (void)
{
int result;
/* Remove any leftovers from a previous partial run. */
ignore_value (system ("rm -rf " BASE "*"));
/* Test behaviour for invalid file descriptors. */
{
errno = 0;
ASSERT (symlinkat ("foo", -1, "bar") == -1);
ASSERT (errno == EBADF
|| errno == ENOSYS /* seen on mingw */
);
}
{
close (99);
errno = 0;
ASSERT (symlinkat ("foo", 99, "bar") == -1);
ASSERT (errno == EBADF
|| errno == ENOSYS /* seen on mingw */
);
}
/* Perform same checks as counterpart functions. */
result = test_symlink (do_symlink, false);
dfd = openat (AT_FDCWD, ".", O_RDONLY);
ASSERT (0 <= dfd);
ASSERT (test_symlink (do_symlink, false) == result);
ASSERT (close (dfd) == 0);
if (result == 77)
fputs ("skipping test: symlinks not supported on this file system\n",
stderr);
return result;
}
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