| extern crate tempfile; |
| extern crate openat; |
| |
| use std::io::{self, Read, Write}; |
| use std::os::unix::fs::PermissionsExt; |
| use openat::Dir; |
| |
| #[test] |
| #[cfg(target_os="linux")] |
| fn unnamed_tmp_file_link() -> Result<(), io::Error> { |
| let tmp = tempfile::tempdir()?; |
| let dir = Dir::open(tmp.path())?; |
| let mut f = dir.new_unnamed_file(0o777)?; |
| f.write(b"hello\n")?; |
| // In glibc <= 2.22 permissions aren't set when using O_TMPFILE |
| // This includes ubuntu trusty on travis CI |
| f.set_permissions(PermissionsExt::from_mode(0o644)); |
| dir.link_file_at(&f, "hello.txt")?; |
| let mut f = dir.open_file("hello.txt")?; |
| let mut buf = String::with_capacity(10); |
| f.read_to_string(&mut buf)?; |
| assert_eq!(buf, "hello\n"); |
| Ok(()) |
| } |
