1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 Copyright 2010 Lennart Poettering
7 #include <linux/magic.h>
10 #include "alloc-util.h"
15 #include "mount-util.h"
16 #include "stat-util.h"
18 static void test_files_same(void) {
19 _cleanup_close_ int fd = -1;
20 char name[] = "/tmp/test-files_same.XXXXXX";
21 char name_alias[] = "/tmp/test-files_same.alias";
23 fd = mkostemp_safe(name);
25 assert_se(symlink(name, name_alias) >= 0);
27 assert_se(files_same(name, name, 0));
28 assert_se(files_same(name, name, AT_SYMLINK_NOFOLLOW));
29 assert_se(files_same(name, name_alias, 0));
30 assert_se(!files_same(name, name_alias, AT_SYMLINK_NOFOLLOW));
36 #if 0 /// UNNEEDED by elogind
37 static void test_is_symlink(void) {
38 char name[] = "/tmp/test-is_symlink.XXXXXX";
39 char name_link[] = "/tmp/test-is_symlink.link";
40 _cleanup_close_ int fd = -1;
42 fd = mkostemp_safe(name);
44 assert_se(symlink(name, name_link) >= 0);
46 assert_se(is_symlink(name) == 0);
47 assert_se(is_symlink(name_link) == 1);
48 assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0);
54 static void test_path_is_fs_type(void) {
55 /* run might not be a mount point in build chroots */
56 if (path_is_mount_point("/run", NULL, AT_SYMLINK_FOLLOW) > 0) {
57 assert_se(path_is_fs_type("/run", TMPFS_MAGIC) > 0);
58 assert_se(path_is_fs_type("/run", BTRFS_SUPER_MAGIC) == 0);
60 assert_se(path_is_fs_type("/proc", PROC_SUPER_MAGIC) > 0);
61 assert_se(path_is_fs_type("/proc", BTRFS_SUPER_MAGIC) == 0);
62 assert_se(path_is_fs_type("/proc", BTRFS_SUPER_MAGIC) == 0);
63 assert_se(path_is_fs_type("/i-dont-exist", BTRFS_SUPER_MAGIC) == -ENOENT);
66 static void test_path_is_temporary_fs(void) {
67 /* run might not be a mount point in build chroots */
68 if (path_is_mount_point("/run", NULL, AT_SYMLINK_FOLLOW) > 0)
69 assert_se(path_is_temporary_fs("/run") > 0);
70 assert_se(path_is_temporary_fs("/proc") == 0);
71 assert_se(path_is_temporary_fs("/i-dont-exist") == -ENOENT);
75 int main(int argc, char *argv[]) {
77 #if 0 /// UNNEEDED by elogind
79 test_path_is_fs_type();
80 test_path_is_temporary_fs();