14     let buf = &mut [0u8; 10];  in test_readlink()  localVariable
15     let bufused = wasip1::path_readlink(dir_fd, "symlink", buf.as_mut_ptr(), buf.len())  in test_readlink()
18     assert_eq!(&buf[..6], b"target", "buffer should contain 'target'");  in test_readlink()
20         &buf[6..],  in test_readlink()
26     let buf = &mut [0u8; 4];  in test_readlink()  localVariable
27     let bufused = wasip1::path_readlink(dir_fd, "symlink", buf.as_mut_ptr(), buf.len())  in test_readlink()
30     assert_eq!(buf, b"targ");  in test_readlink()
43     let mut buf = Vec::new();  in test_incremental_readlink()  localVariable
45         if buf.capacity() > 2 * filename.len() {  in test_incremental_readlink()
48         let bufused = wasip1::path_readlink(dir_fd, "symlink", buf.as_mut_ptr(), buf.capacity())  in test_incremental_readlink()
50         buf.set_len(bufused);  in test_incremental_readlink()
51         if buf.capacity() > filename.len() {  in test_incremental_readlink()
52             assert!(buf.starts_with(filename.as_bytes()));  in test_incremental_readlink()
55         buf = Vec::with_capacity(buf.capacity() + 1);  in test_incremental_readlink()