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- // +build solaris,cgo
- package term
- import (
- "syscall"
- "unsafe"
- "golang.org/x/sys/unix"
- )
- // #include <termios.h>
- import "C"
- // Termios is the Unix API for terminal I/O.
- // It is passthrough for unix.Termios in order to make it portable with
- // other platforms where it is not available or handled differently.
- type Termios unix.Termios
- // MakeRaw put the terminal connected to the given file descriptor into raw
- // mode and returns the previous state of the terminal so that it can be
- // restored.
- func MakeRaw(fd uintptr) (*State, error) {
- var oldState State
- if err := tcget(fd, &oldState.termios); err != 0 {
- return nil, err
- }
- newState := oldState.termios
- newState.Iflag &^= (unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON | unix.IXANY)
- newState.Oflag &^= unix.OPOST
- newState.Lflag &^= (unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN)
- newState.Cflag &^= (unix.CSIZE | unix.PARENB)
- newState.Cflag |= unix.CS8
- /*
- VMIN is the minimum number of characters that needs to be read in non-canonical mode for it to be returned
- Since VMIN is overloaded with another element in canonical mode when we switch modes it defaults to 4. It
- needs to be explicitly set to 1.
- */
- newState.Cc[C.VMIN] = 1
- newState.Cc[C.VTIME] = 0
- if err := tcset(fd, &newState); err != 0 {
- return nil, err
- }
- return &oldState, nil
- }
- func tcget(fd uintptr, p *Termios) syscall.Errno {
- ret, err := C.tcgetattr(C.int(fd), (*C.struct_termios)(unsafe.Pointer(p)))
- if ret != 0 {
- return err.(syscall.Errno)
- }
- return 0
- }
- func tcset(fd uintptr, p *Termios) syscall.Errno {
- ret, err := C.tcsetattr(C.int(fd), C.TCSANOW, (*C.struct_termios)(unsafe.Pointer(p)))
- if ret != 0 {
- return err.(syscall.Errno)
- }
- return 0
- }
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