From 88e064a448756bb4a9045a9260702f60ba492990 Mon Sep 17 00:00:00 2001 From: Jesse Luehrs Date: Tue, 26 Apr 2016 02:40:23 -0400 Subject: get ffi framework in place --- src/screen.rs | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/screen.rs (limited to 'src/screen.rs') diff --git a/src/screen.rs b/src/screen.rs new file mode 100644 index 0000000..b448a20 --- /dev/null +++ b/src/screen.rs @@ -0,0 +1,35 @@ +use libc; + +enum ScreenImpl {} +pub struct Screen(*mut ScreenImpl); + +impl Screen { + pub fn new(rows: u32, cols: u32) -> Screen { + let screen_impl = unsafe { + vt100_screen_new(rows as libc::c_int, cols as libc::c_int) + }; + Screen(screen_impl) + } +} + +impl Drop for Screen { + fn drop(&mut self) { + let &mut Screen(screen_impl) = self; + unsafe { vt100_screen_delete(screen_impl) }; + } +} + +extern "C" { + fn vt100_screen_new(rows: libc::c_int, cols: libc::c_int) -> *mut ScreenImpl; + fn vt100_screen_delete(screen: *mut ScreenImpl); +} + +#[cfg(test)] +mod tests { + #[test] + fn ffi() { + let ptr = unsafe { super::vt100_screen_new(24, 80) }; + assert!(!ptr.is_null()); + unsafe { super::vt100_screen_delete(ptr) }; + } +} -- cgit v1.2.3-54-g00ecf