1 files changed, 19 insertions, 0 deletions
diff --git a/src/ios.rs b/src/ios.rs
index f8b464a..2e5bd17 100644
--- a/src/ios.rs
+++ b/src/ios.rs
@@ -1,11 +1,30 @@
 use core::libc::c_int;
 
+enum struct_termios {}
+
+pub struct PreserveTermios {
+    priv state: *struct_termios,
+}
+
+pub fn PreserveTermios () -> ~PreserveTermios {
+    ~PreserveTermios { state: unsafe { c::get() } }
+}
+
+impl Drop for PreserveTermios {
+    fn finalize (&self) {
+        unsafe { c::set(self.state) }
+    }
+}
+
 #[link_name = "termios_wrapper"]
 extern mod c {
     fn cooked () -> c_int;
     fn cbreak () -> c_int;
     fn raw () -> c_int;
     fn echo (enable: c_int) -> c_int;
+
+    fn get() -> *struct_termios;
+    fn set(t: *struct_termios);
 }
 
 pub fn cooked () -> bool {