/
gotty.go
71 lines (60 loc) · 1.1 KB
/
gotty.go
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package main
import (
"bytes"
"fmt"
"log"
"os"
"os/signal"
"syscall"
"github.com/kylelemons/goat/termios"
)
var CTRL_C = []byte{3}
var CTRL_D = []byte{4}
var CTRL_Z = []byte{0x1a}
func main() {
tio, err := termios.NewTermSettings(syscall.Stdin)
defer tio.Reset()
if err != nil {
log.Fatal(err)
}
width, height, err := tio.GetSize()
if err != nil {
log.Fatal(err)
}
fmt.Printf("Console size: %dx%d\n", width, height)
tio.Raw()
if err != nil {
log.Fatal(err)
}
// Restore tty on kill/interrupt signals
c := make(chan os.Signal, 1)
signal.Notify(c,
os.Interrupt,
os.Kill,
syscall.SIGHUP,
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGKILL,
syscall.SIGQUIT)
go func() {
sig := <-c
// fmt.Printf("%v", sig)
tio.Reset()
signal.Stop(c)
syscall.Kill(os.Getpid(), sig.(syscall.Signal))
}()
var b []byte = make([]byte, 5)
for {
n, err := os.Stdin.Read(b)
if err != nil {
log.Fatal(err)
break
}
if bytes.Equal(b[0:n], CTRL_C) || bytes.Equal(b[0:n], CTRL_D) || bytes.Equal(b[0:n], CTRL_Z) {
break
}
if n > 0 {
fmt.Printf("% x\n\r", b[0:n])
}
}
}