| /*** |
| This file is part of systemd. |
| |
| Copyright 2010 Lennart Poettering |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <fcntl.h> |
| #include <unistd.h> |
| |
| #include "alloc-util.h" |
| #include "fd-util.h" |
| #include "fileio.h" |
| #include "macro.h" |
| #include "stat-util.h" |
| |
| static void test_files_same(void) { |
| _cleanup_close_ int fd = -1; |
| char name[] = "/tmp/test-files_same.XXXXXX"; |
| char name_alias[] = "/tmp/test-files_same.alias"; |
| |
| fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); |
| assert_se(fd >= 0); |
| assert_se(symlink(name, name_alias) >= 0); |
| |
| assert_se(files_same(name, name)); |
| assert_se(files_same(name, name_alias)); |
| |
| unlink(name); |
| unlink(name_alias); |
| } |
| |
| static void test_is_symlink(void) { |
| char name[] = "/tmp/test-is_symlink.XXXXXX"; |
| char name_link[] = "/tmp/test-is_symlink.link"; |
| _cleanup_close_ int fd = -1; |
| |
| fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC); |
| assert_se(fd >= 0); |
| assert_se(symlink(name, name_link) >= 0); |
| |
| assert_se(is_symlink(name) == 0); |
| assert_se(is_symlink(name_link) == 1); |
| assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0); |
| |
| |
| unlink(name); |
| unlink(name_link); |
| } |
| |
| int main(int argc, char *argv[]) { |
| test_files_same(); |
| test_is_symlink(); |
| |
| return 0; |
| } |