1 #[cfg(not(any(target_os = "redox", target_os = "wasi")))]
2 #[test]
test_long_paths()3 fn test_long_paths() {
4 use rustix::fs::{cwd, mkdirat, openat, Mode, OFlags};
5
6 let tmp = tempfile::tempdir().unwrap();
7 let dir = openat(cwd(), tmp.path(), OFlags::RDONLY, Mode::empty()).unwrap();
8
9 #[cfg(libc)]
10 const PATH_MAX: usize = libc::PATH_MAX as usize;
11 #[cfg(linux_raw)]
12 const PATH_MAX: usize = linux_raw_sys::general::PATH_MAX as usize;
13
14 mkdirat(&dir, "a", Mode::RUSR | Mode::XUSR | Mode::WUSR).unwrap();
15
16 let mut long_path = String::new();
17 for _ in 0..PATH_MAX / 5 {
18 long_path.push_str("a/../");
19 }
20
21 let mut too_long_path = String::new();
22 for _ in 0..PATH_MAX / 4 {
23 too_long_path.push_str("a/../");
24 }
25
26 let _ = openat(&dir, &long_path, OFlags::RDONLY, Mode::empty()).unwrap();
27 let _ = openat(&dir, &too_long_path, OFlags::RDONLY, Mode::empty()).unwrap_err();
28 }
29