use errno::{SysError, SysResult, from_ffi}; use fcntl::Fd; use libc::c_int; use std::mem; pub use self::ffi::consts::*; pub use self::ffi::consts::SetArg::*; pub use self::ffi::consts::FlushArg::*; pub use self::ffi::consts::FlowArg::*; mod ffi { use libc::c_int; pub use self::consts::*; // `Termios` contains bitflags which are not considered // `foreign-function-safe` by the compiler. #[allow(improper_ctypes)] extern { pub fn cfgetispeed(termios: *const Termios) -> speed_t; pub fn cfgetospeed(termios: *const Termios) -> speed_t; pub fn cfsetispeed(termios: *mut Termios, speed: speed_t) -> c_int; pub fn cfsetospeed(termios: *mut Termios, speed: speed_t) -> c_int; pub fn tcgetattr(fd: c_int, termios: *mut Termios) -> c_int; pub fn tcsetattr(fd: c_int, optional_actions: c_int, termios: *const Termios) -> c_int; pub fn tcdrain(fd: c_int) -> c_int; pub fn tcflow(fd: c_int, action: c_int) -> c_int; pub fn tcflush(fd: c_int, action: c_int) -> c_int; pub fn tcsendbreak(fd: c_int, duration: c_int) -> c_int; } #[cfg(target_os = "macos")] pub mod consts { use libc::{c_int, c_ulong, c_uchar}; pub type tcflag_t = c_ulong; pub type cc_t = c_uchar; pub type speed_t = c_ulong; #[repr(C)] #[derive(Copy)] pub struct Termios { pub c_iflag: InputFlags, pub c_oflag: OutputFlags, pub c_cflag: ControlFlags, pub c_lflag: LocalFlags, pub c_cc: [cc_t; NCCS], pub c_ispeed: speed_t, pub c_ospeed: speed_t } pub const VEOF: usize = 0; pub const VEOL: usize = 1; pub const VEOL2: usize = 2; pub const VERASE: usize = 3; pub const VWERASE: usize = 4; pub const VKILL: usize = 5; pub const VREPRINT: usize = 6; pub const VINTR: usize = 8; pub const VQUIT: usize = 9; pub const VSUSP: usize = 10; pub const VDSUSP: usize = 11; pub const VSTART: usize = 12; pub const VSTOP: usize = 13; pub const VLNEXT: usize = 14; pub const VDISCARD: usize = 15; pub const VMIN: usize = 16; pub const VTIME: usize = 17; pub const VSTATUS: usize = 18; pub const NCCS: usize = 20; bitflags! { flags InputFlags: tcflag_t { const IGNBRK = 0x00000001, const BRKINT = 0x00000002, const IGNPAR = 0x00000004, const PARMRK = 0x00000008, const INPCK = 0x00000010, const ISTRIP = 0x00000020, const INLCR = 0x00000040, const IGNCR = 0x00000080, const ICRNL = 0x00000100, const IXON = 0x00000200, const IXOFF = 0x00000400, const IXANY = 0x00000800, const IMAXBEL = 0x00002000, const IUTF8 = 0x00004000, } } bitflags! { flags OutputFlags: tcflag_t { const OPOST = 0x00000001, const ONLCR = 0x00000002, const OXTABS = 0x00000004, const ONOEOT = 0x00000008, } } bitflags! { flags ControlFlags: tcflag_t { const CIGNORE = 0x00000001, const CSIZE = 0x00000300, const CS5 = 0x00000000, const CS6 = 0x00000100, const CS7 = 0x00000200, const CS8 = 0x00000300, const CSTOPB = 0x00000400, const CREAD = 0x00000800, const PARENB = 0x00001000, const PARODD = 0x00002000, const HUPCL = 0x00004000, const CLOCAL = 0x00008000, const CCTS_OFLOW = 0x00010000, const CRTSCTS = 0x00030000, const CRTS_IFLOW = 0x00020000, const CDTR_IFLOW = 0x00040000, const CDSR_OFLOW = 0x00080000, const CCAR_OFLOW = 0x00100000, const MDMBUF = 0x00100000, } } bitflags! { flags LocalFlags: tcflag_t { const ECHOKE = 0x00000001, const ECHOE = 0x00000002, const ECHOK = 0x00000004, const ECHO = 0x00000008, const ECHONL = 0x00000010, const ECHOPRT = 0x00000020, const ECHOCTL = 0x00000040, const ISIG = 0x00000080, const ICANON = 0x00000100, const ALTWERASE = 0x00000200, const IEXTEN = 0x00000400, const EXTPROC = 0x00000800, const TOSTOP = 0x00400000, const FLUSHO = 0x00800000, const NOKERNINFO = 0x02000000, const PENDIN = 0x20000000, const NOFLSH = 0x80000000, } } pub const NL0: c_int = 0x00000000; pub const NL1: c_int = 0x00000100; pub const NL2: c_int = 0x00000200; pub const NL3: c_int = 0x00000300; pub const TAB0: c_int = 0x00000000; pub const TAB1: c_int = 0x00000400; pub const TAB2: c_int = 0x00000800; pub const TAB3: c_int = 0x00000004; pub const CR0: c_int = 0x00000000; pub const CR1: c_int = 0x00001000; pub const CR2: c_int = 0x00002000; pub const CR3: c_int = 0x00003000; pub const FF0: c_int = 0x00000000; pub const FF1: c_int = 0x00004000; pub const BS0: c_int = 0x00000000; pub const BS1: c_int = 0x00008000; pub const VT0: c_int = 0x00000000; pub const VT1: c_int = 0x00010000; // XXX: We're using `repr(C)` because `c_int` doesn't work here. // See https://github.com/rust-lang/rust/issues/10374. #[derive(Copy)] #[repr(C)] pub enum SetArg { TCSANOW = 0, TCSADRAIN = 1, TCSAFLUSH = 2, TCSASOFT = 16, } // XXX: We're using `repr(C)` because `c_int` doesn't work here. // See https://github.com/rust-lang/rust/issues/10374. #[derive(Copy)] #[repr(C)] pub enum FlushArg { TCIFLUSH = 1, TCOFLUSH = 2, TCIOFLUSH = 3, } // XXX: We're using `repr(C)` because `c_int` doesn't work here. // See https://github.com/rust-lang/rust/issues/10374. #[derive(Copy)] #[repr(C)] pub enum FlowArg { TCOOFF = 1, TCOON = 2, TCIOFF = 3, TCION = 4, } } #[cfg(target_os = "linux")] pub mod consts { use libc::{c_int, c_uint, c_uchar}; pub type tcflag_t = c_uint; pub type cc_t = c_uchar; pub type speed_t = c_uint; #[repr(C)] #[derive(Copy)] pub struct Termios { pub c_iflag: InputFlags, pub c_oflag: OutputFlags, pub c_cflag: ControlFlags, pub c_lflag: LocalFlags, pub c_line: cc_t, pub c_cc: [cc_t; NCCS], pub c_ispeed: speed_t, pub c_ospeed: speed_t } pub const VEOF: usize = 4; pub const VEOL: usize = 11; pub const VEOL2: usize = 16; pub const VERASE: usize = 2; pub const VWERASE: usize = 14; pub const VKILL: usize = 3; pub const VREPRINT: usize = 12; pub const VINTR: usize = 0; pub const VQUIT: usize = 1; pub const VSUSP: usize = 10; pub const VSTART: usize = 8; pub const VSTOP: usize = 9; pub const VLNEXT: usize = 15; pub const VDISCARD: usize = 13; pub const VMIN: usize = 6; pub const VTIME: usize = 5; pub const NCCS: usize = 32; bitflags! { flags InputFlags: tcflag_t { const IGNBRK = 0x00000001, const BRKINT = 0x00000002, const IGNPAR = 0x00000004, const PARMRK = 0x00000008, const INPCK = 0x00000010, const ISTRIP = 0x00000020, const INLCR = 0x00000040, const IGNCR = 0x00000080, const ICRNL = 0x00000100, const IXON = 0x00000400, const IXOFF = 0x00001000, const IXANY = 0x00000800, const IMAXBEL = 0x00002000, const IUTF8 = 0x00004000, } } bitflags! { flags OutputFlags: tcflag_t { const OPOST = 0x00000001, const ONLCR = 0x00000004, } } bitflags! { flags ControlFlags: tcflag_t { const CSIZE = 0x00000030, const CS5 = 0x00000000, const CS6 = 0x00000010, const CS7 = 0x00000020, const CS8 = 0x00000030, const CSTOPB = 0x00000040, const CREAD = 0x00000080, const PARENB = 0x00000100, const PARODD = 0x00000200, const HUPCL = 0x00000400, const CLOCAL = 0x00000800, const CRTSCTS = 0x80000000, } } bitflags! { flags LocalFlags: tcflag_t { const ECHOKE = 0x00000800, const ECHOE = 0x00000010, const ECHOK = 0x00000020, const ECHO = 0x00000008, const ECHONL = 0x00000040, const ECHOPRT = 0x00000400, const ECHOCTL = 0x00000200, const ISIG = 0x00000001, const ICANON = 0x00000002, const IEXTEN = 0x00008000, const EXTPROC = 0x00010000, const TOSTOP = 0x00000100, const FLUSHO = 0x00001000, const PENDIN = 0x00004000, const NOFLSH = 0x00000080, } } pub const NL0: c_int = 0x00000000; pub const NL1: c_int = 0x00000100; pub const TAB0: c_int = 0x00000000; pub const TAB1: c_int = 0x00000800; pub const TAB2: c_int = 0x00001000; pub const TAB3: c_int = 0x00001800; pub const CR0: c_int = 0x00000000; pub const CR1: c_int = 0x00000200; pub const CR2: c_int = 0x00000400; pub const CR3: c_int = 0x00000600; pub const FF0: c_int = 0x00000000; pub const FF1: c_int = 0x00008000; pub const BS0: c_int = 0x00000000; pub const BS1: c_int = 0x00002000; pub const VT0: c_int = 0x00000000; pub const VT1: c_int = 0x00004000; // XXX: We're using `repr(C)` because `c_int` doesn't work here. // See https://github.com/rust-lang/rust/issues/10374. #[derive(Copy)] #[repr(C)] pub enum SetArg { TCSANOW = 0, TCSADRAIN = 1, TCSAFLUSH = 2, } // XXX: We're using `repr(C)` because `c_int` doesn't work here. // See https://github.com/rust-lang/rust/issues/10374. #[derive(Copy)] #[repr(C)] pub enum FlushArg { TCIFLUSH = 0, TCOFLUSH = 1, TCIOFLUSH = 2, } // XXX: We're using `repr(C)` because `c_int` doesn't work here. // See https://github.com/rust-lang/rust/issues/10374. #[derive(Copy)] #[repr(C)] pub enum FlowArg { TCOOFF = 0, TCOON = 1, TCIOFF = 2, TCION = 3, } } } pub fn cfgetispeed(termios: &Termios) -> speed_t { unsafe { ffi::cfgetispeed(termios) } } pub fn cfgetospeed(termios: &Termios) -> speed_t { unsafe { ffi::cfgetospeed(termios) } } pub fn cfsetispeed(termios: &mut Termios, speed: speed_t) -> SysResult<()> { from_ffi(unsafe { ffi::cfsetispeed(termios, speed) }) } pub fn cfsetospeed(termios: &mut Termios, speed: speed_t) -> SysResult<()> { from_ffi(unsafe { ffi::cfsetospeed(termios, speed) }) } pub fn tcgetattr(fd: Fd) -> SysResult { let mut termios = unsafe { mem::uninitialized() }; let res = unsafe { ffi::tcgetattr(fd, &mut termios) }; if res < 0 { return Err(SysError::last()); } Ok(termios) } pub fn tcsetattr(fd: Fd, actions: SetArg, termios: &Termios) -> SysResult<()> { from_ffi(unsafe { ffi::tcsetattr(fd, actions as c_int, termios) }) } pub fn tcdrain(fd: Fd) -> SysResult<()> { from_ffi(unsafe { ffi::tcdrain(fd) }) } pub fn tcflow(fd: Fd, action: FlowArg) -> SysResult<()> { from_ffi(unsafe { ffi::tcflow(fd, action as c_int) }) } pub fn tcflush(fd: Fd, action: FlushArg) -> SysResult<()> { from_ffi(unsafe { ffi::tcflush(fd, action as c_int) }) } pub fn tcsendbreak(fd: Fd, action: c_int) -> SysResult<()> { from_ffi(unsafe { ffi::tcsendbreak(fd, action) }) }