start of an implementation

1 files changed, 32 insertions, 0 deletions

diff --git a/src/pty.rs b/src/pty.rs
new file mode 100644
index 0000000..03dd7c1
--- /dev/null
+++ b/src/pty.rs
@@ -0,0 +1,32 @@
+use crate::error::*;
+
+pub struct Pty {
+    master: nix::pty::PtyMaster,
+    slave: std::fs::File,
+}
+
+impl Pty {
+    pub fn new() -> Result<Self> {
+        let master = nix::pty::posix_openpt(
+            nix::fcntl::OFlag::O_RDWR | nix::fcntl::OFlag::O_NOCTTY,
+        )?;
+        nix::pty::grantpt(&master)?;
+        nix::pty::unlockpt(&master)?;
+
+        let name = nix::pty::ptsname_r(&master)?;
+        let slave = std::fs::OpenOptions::new()
+            .read(true)
+            .write(true)
+            .open(name)?;
+
+        Ok(Self { master, slave })
+    }
+
+    pub fn master(&self) -> &nix::pty::PtyMaster {
+        &self.master
+    }
+
+    pub fn slave(&self) -> &std::fs::File {
+        &self.slave
+    }
+}