github.com/glycerine/xcryptossh@v7.0.4+incompatible/terminal/util_plan9.go (about)

     1  // Copyright 2016 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Package terminal provides support functions for dealing with terminals, as
     6  // commonly found on UNIX systems.
     7  //
     8  // Putting a terminal into raw mode is the most common requirement:
     9  //
    10  // 	oldState, err := terminal.MakeRaw(0)
    11  // 	if err != nil {
    12  // 	        panic(err)
    13  // 	}
    14  // 	defer terminal.Restore(0, oldState)
    15  package terminal
    16  
    17  import (
    18  	"fmt"
    19  	"runtime"
    20  )
    21  
    22  type State struct{}
    23  
    24  // IsTerminal returns true if the given file descriptor is a terminal.
    25  func IsTerminal(fd int) bool {
    26  	return false
    27  }
    28  
    29  // MakeRaw put the terminal connected to the given file descriptor into raw
    30  // mode and returns the previous state of the terminal so that it can be
    31  // restored.
    32  func MakeRaw(fd int) (*State, error) {
    33  	return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
    34  }
    35  
    36  // GetState returns the current state of a terminal which may be useful to
    37  // restore the terminal after a signal.
    38  func GetState(fd int) (*State, error) {
    39  	return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
    40  }
    41  
    42  // Restore restores the terminal connected to the given file descriptor to a
    43  // previous state.
    44  func Restore(fd int, state *State) error {
    45  	return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
    46  }
    47  
    48  // GetSize returns the dimensions of the given terminal.
    49  func GetSize(fd int) (width, height int, err error) {
    50  	return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
    51  }
    52  
    53  // ReadPassword reads a line of input from a terminal without local echo.  This
    54  // is commonly used for inputting passwords and other sensitive data. The slice
    55  // returned does not include the \n.
    56  func ReadPassword(fd int) ([]byte, error) {
    57  	return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH)
    58  }