| 27 | #[cfg(linux_kernel)] |
| 28 | #[test] |
| 29 | fn test_splice_offset() { |
| 30 | use rustix::pipe::{pipe, splice, SpliceFlags}; |
| 31 | use std::io::{Read as _, Write as _}; |
| 32 | |
| 33 | let mut src = tempfile::tempfile().unwrap(); |
| 34 | let mut dest = tempfile::tempfile().unwrap(); |
| 35 | let (read_p, write_p) = pipe().unwrap(); |
| 36 | let mut buff = vec![]; |
| 37 | let mut off_w = 0; |
| 38 | let mut off_r = 0; |
| 39 | |
| 40 | writeln!(src, "hello world").unwrap(); |
| 41 | |
| 42 | splice( |
| 43 | &src, |
| 44 | Some(&mut off_w), |
| 45 | &write_p, |
| 46 | None, |
| 47 | 5, |
| 48 | SpliceFlags::empty(), |
| 49 | ) |
| 50 | .unwrap(); |
| 51 | splice( |
| 52 | &read_p, |
| 53 | None, |
| 54 | &dest, |
| 55 | Some(&mut off_r), |
| 56 | 5, |
| 57 | SpliceFlags::empty(), |
| 58 | ) |
| 59 | .unwrap(); |
| 60 | |
| 61 | dest.read_to_end(&mut buff).unwrap(); |
| 62 | assert_eq!(buff, b"hello"); |
| 63 | assert_eq!(off_w, 5); |
| 64 | assert_eq!(off_r, 5); |
| 65 | } |
| 66 | |
| 67 | #[cfg(feature = "fs")] |
| 68 | #[cfg(linux_kernel)] |