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path: root/vendor/github.com/peterh/liner/unixmode.go
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// +build linux darwin freebsd openbsd netbsd

package liner

import (
    "syscall"
    "unsafe"
)

func (mode *termios) ApplyMode() error {
    _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(syscall.Stdin), setTermios, uintptr(unsafe.Pointer(mode)))

    if errno != 0 {
        return errno
    }
    return nil
}

// TerminalMode returns the current terminal input mode as an InputModeSetter.
//
// This function is provided for convenience, and should
// not be necessary for most users of liner.
func TerminalMode() (ModeApplier, error) {
    mode, errno := getMode(syscall.Stdin)

    if errno != 0 {
        return nil, errno
    }
    return mode, nil
}

func getMode(handle int) (*termios, syscall.Errno) {
    var mode termios
    _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(handle), getTermios, uintptr(unsafe.Pointer(&mode)))

    return &mode, errno
}