1 #![expect(unsafe_op_in_unsafe_fn, reason = "old code, not worth updating yet")]
2 
3 use std::{env, process};
4 use test_programs::preview1::open_scratch_directory;
5 
test_file_isatty(dir_fd: wasip1::Fd)6 unsafe fn test_file_isatty(dir_fd: wasip1::Fd) {
7     // Create a file in the scratch directory and test if it's a tty.
8     let file_fd = wasip1::path_open(dir_fd, 0, "file", wasip1::OFLAGS_CREAT, 0, 0, 0)
9         .expect("opening a file");
10     assert!(
11         file_fd > libc::STDERR_FILENO as wasip1::Fd,
12         "file descriptor range check",
13     );
14     assert_eq!(
15         libc::isatty(file_fd as std::os::raw::c_int),
16         0,
17         "file is a tty"
18     );
19     wasip1::fd_close(file_fd).expect("closing a file");
20     wasip1::path_unlink_file(dir_fd, "file").expect("removing a file");
21 }
22 
main()23 fn main() {
24     let mut args = env::args();
25     let prog = args.next().unwrap();
26     let arg = if let Some(arg) = args.next() {
27         arg
28     } else {
29         eprintln!("usage: {prog} <scratch directory>");
30         process::exit(1);
31     };
32 
33     // Open scratch directory
34     let dir_fd = match open_scratch_directory(&arg) {
35         Ok(dir_fd) => dir_fd,
36         Err(err) => {
37             eprintln!("{err}");
38             process::exit(1)
39         }
40     };
41 
42     // Run the tests.
43     unsafe { test_file_isatty(dir_fd) }
44 }
45