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/* Tests of stat.
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. */
/* This file is designed to test both stat(n,buf) and
fstatat(AT_FDCWD,n,buf,0). 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
symlink tests with status 77. */
static int
test_stat_func (int (*func) (char const *, struct stat *), bool print)
{
struct stat st1;
struct stat st2;
char *cwd = getcwd (NULL, 0);
ASSERT (cwd);
ASSERT (func (".", &st1) == 0);
ASSERT (func ("./", &st2) == 0);
#if !(defined _WIN32 && !defined __CYGWIN__ && !_GL_WINDOWS_STAT_INODES)
ASSERT (SAME_INODE (st1, st2));
#endif
ASSERT (func (cwd, &st2) == 0);
#if !(defined _WIN32 && !defined __CYGWIN__ && !_GL_WINDOWS_STAT_INODES)
ASSERT (SAME_INODE (st1, st2));
#endif
ASSERT (func ("/", &st1) == 0);
ASSERT (func ("///", &st2) == 0);
#if !(defined _WIN32 && !defined __CYGWIN__ && !_GL_WINDOWS_STAT_INODES)
ASSERT (SAME_INODE (st1, st2));
#endif
errno = 0;
ASSERT (func ("", &st1) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (func ("nosuch", &st1) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (func ("nosuch/", &st1) == -1);
ASSERT (errno == ENOENT);
ASSERT (close (creat (BASE "file", 0600)) == 0);
ASSERT (func (BASE "file", &st1) == 0);
errno = 0;
ASSERT (func (BASE "file/", &st1) == -1);
ASSERT (errno == ENOTDIR);
/* Now for some symlink tests, where supported. We set up:
link1 -> directory
link2 -> file
link3 -> dangling
link4 -> loop
then test behavior with trailing slash.
*/
if (symlink (".", BASE "link1") != 0)
{
ASSERT (unlink (BASE "file") == 0);
if (print)
fputs ("skipping test: symlinks not supported on this file system\n",
stderr);
return 77;
}
ASSERT (symlink (BASE "file", BASE "link2") == 0);
ASSERT (symlink (BASE "nosuch", BASE "link3") == 0);
ASSERT (symlink (BASE "link4", BASE "link4") == 0);
ASSERT (func (BASE "link1/", &st1) == 0);
ASSERT (S_ISDIR (st1.st_mode));
errno = 0;
ASSERT (func (BASE "link2/", &st1) == -1);
ASSERT (errno == ENOTDIR);
errno = 0;
ASSERT (func (BASE "link3/", &st1) == -1);
ASSERT (errno == ENOENT);
errno = 0;
ASSERT (func (BASE "link4/", &st1) == -1);
ASSERT (errno == ELOOP);
/* Cleanup. */
ASSERT (unlink (BASE "file") == 0);
ASSERT (unlink (BASE "link1") == 0);
ASSERT (unlink (BASE "link2") == 0);
ASSERT (unlink (BASE "link3") == 0);
ASSERT (unlink (BASE "link4") == 0);
free (cwd);
return 0;
}
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