auronandace
34 lines
809 B
Rust
34 lines
809 B
Rust
use crate::{
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error::ResultExt,
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header::{fcntl, unistd},
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platform::{
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Pal, Sys,
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types::{c_char, c_int, ssize_t},
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},
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};
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pub(super) unsafe fn openpty(name: &mut [u8]) -> Result<(c_int, c_int), ()> {
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let master = unsafe { fcntl::open(c"/scheme/pty".as_ptr(), fcntl::O_RDWR, 0) };
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if master < 0 {
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return Err(());
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}
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// TODO: better error handling
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let count = Sys::fpath(master, name)
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.map(|u| u as ssize_t)
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.or_minus_one_errno();
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if count < 0 {
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unistd::close(master);
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return Err(());
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}
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name[count as usize] = 0;
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let slave = unsafe { fcntl::open(name.as_ptr() as *const c_char, fcntl::O_RDWR, 0) };
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if slave < 0 {
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unistd::close(master);
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return Err(());
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}
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Ok((master, slave))
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}
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