95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <fcntl.h>
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#include <linux/magic.h>
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#include <unistd.h>
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#include "alloc-util.h"
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#include "fd-util.h"
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#include "fileio.h"
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#include "macro.h"
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#include "missing.h"
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#include "stat-util.h"
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static void test_files_same(void) {
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_cleanup_close_ int fd = -1;
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char name[] = "/tmp/test-files_same.XXXXXX";
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char name_alias[] = "/tmp/test-files_same.alias";
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fd = mkostemp_safe(name);
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assert_se(fd >= 0);
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assert_se(symlink(name, name_alias) >= 0);
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assert_se(files_same(name, name));
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assert_se(files_same(name, name_alias));
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unlink(name);
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unlink(name_alias);
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}
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static void test_is_symlink(void) {
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char name[] = "/tmp/test-is_symlink.XXXXXX";
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char name_link[] = "/tmp/test-is_symlink.link";
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_cleanup_close_ int fd = -1;
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fd = mkostemp_safe(name);
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assert_se(fd >= 0);
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assert_se(symlink(name, name_link) >= 0);
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assert_se(is_symlink(name) == 0);
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assert_se(is_symlink(name_link) == 1);
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assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0);
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unlink(name);
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unlink(name_link);
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}
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static void test_path_is_os_tree(void) {
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assert_se(path_is_os_tree("/") > 0);
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assert_se(path_is_os_tree("/etc") == 0);
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assert_se(path_is_os_tree("/idontexist") == -ENOENT);
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}
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static void test_path_check_fstype(void) {
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assert_se(path_check_fstype("/run", TMPFS_MAGIC) > 0);
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assert_se(path_check_fstype("/run", BTRFS_SUPER_MAGIC) == 0);
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assert_se(path_check_fstype("/proc", PROC_SUPER_MAGIC) > 0);
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assert_se(path_check_fstype("/proc", BTRFS_SUPER_MAGIC) == 0);
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assert_se(path_check_fstype("/proc", BTRFS_SUPER_MAGIC) == 0);
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assert_se(path_check_fstype("/i-dont-exist", BTRFS_SUPER_MAGIC) == -ENOENT);
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}
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static void test_path_is_temporary_fs(void) {
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assert_se(path_is_temporary_fs("/run") > 0);
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assert_se(path_is_temporary_fs("/proc") == 0);
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assert_se(path_is_temporary_fs("/i-dont-exist") == -ENOENT);
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}
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int main(int argc, char *argv[]) {
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test_files_same();
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test_is_symlink();
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test_path_is_os_tree();
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test_path_check_fstype();
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test_path_is_temporary_fs();
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return 0;
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}
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