| extern crate libc; |
| |
| use std::io; |
| |
| pub use self::libc::termios as Termios; |
| |
| pub mod attr; |
| pub mod size; |
| pub mod tty; |
| |
| // Support functions for converting libc return values to io errors { |
| trait IsMinusOne { |
| fn is_minus_one(&self) -> bool; |
| } |
| |
| macro_rules! impl_is_minus_one { |
| ($($t:ident)*) => ($(impl IsMinusOne for $t { |
| fn is_minus_one(&self) -> bool { |
| *self == -1 |
| } |
| })*) |
| } |
| |
| impl_is_minus_one! { i8 i16 i32 i64 isize } |
| |
| fn cvt<T: IsMinusOne>(t: T) -> io::Result<T> { |
| if t.is_minus_one() { |
| Err(io::Error::last_os_error()) |
| } else { |
| Ok(t) |
| } |
| } |
| // } End of support functions |
