| 22 | |
| 23 | #[test] |
| 24 | fn test_openat2() { |
| 25 | let tmp = tempfile::tempdir().unwrap(); |
| 26 | let dir = openat(CWD, tmp.path(), OFlags::RDONLY, Mode::empty()).unwrap(); |
| 27 | |
| 28 | // Detect whether `openat2` is available. |
| 29 | match openat2( |
| 30 | &dir, |
| 31 | ".", |
| 32 | OFlags::RDONLY | OFlags::CLOEXEC, |
| 33 | Mode::empty(), |
| 34 | ResolveFlags::empty(), |
| 35 | ) { |
| 36 | Ok(_file) => (), |
| 37 | Err(io::Errno::NOSYS) => return, |
| 38 | Err(_err) => return, |
| 39 | } |
| 40 | |
| 41 | // Create a file. |
| 42 | let _ = openat2_more( |
| 43 | &dir, |
| 44 | "test.txt", |
| 45 | OFlags::WRONLY | OFlags::CREATE | OFlags::TRUNC | OFlags::CLOEXEC, |
| 46 | Mode::RUSR, |
| 47 | ResolveFlags::empty(), |
| 48 | ) |
| 49 | .unwrap(); |
| 50 | |
| 51 | // Test `NO_SYMLINKS`. |
| 52 | symlinkat("test.txt", &dir, "symlink.txt").unwrap(); |
| 53 | let _ = openat2_more( |
| 54 | &dir, |
| 55 | "symlink.txt", |
| 56 | OFlags::RDONLY | OFlags::CLOEXEC, |
| 57 | Mode::empty(), |
| 58 | ResolveFlags::empty(), |
| 59 | ) |
| 60 | .unwrap(); |
| 61 | let _ = openat2_more( |
| 62 | &dir, |
| 63 | "symlink.txt", |
| 64 | OFlags::RDONLY | OFlags::CLOEXEC, |
| 65 | Mode::empty(), |
| 66 | ResolveFlags::NO_MAGICLINKS, |
| 67 | ) |
| 68 | .unwrap(); |
| 69 | let _ = openat2_more( |
| 70 | &dir, |
| 71 | "symlink.txt", |
| 72 | OFlags::RDONLY | OFlags::CLOEXEC, |
| 73 | Mode::empty(), |
| 74 | ResolveFlags::NO_SYMLINKS, |
| 75 | ) |
| 76 | .unwrap_err(); |
| 77 | |
| 78 | // Test with `O_PATH`. |
| 79 | let _ = openat2_more( |
| 80 | &dir, |
| 81 | "test.txt", |