STDIN 에코 비활성화

김태훈
1 parent b4dc09fcaa
Showing 1 changed file with 16 additions and 0 deletions Show diff stats
go/src/fullcycle/analog-kernel/main.go
@@ -10,9 +10,14 @@ import (
 	"os"
 	"strings"
  
+	"golang.org/x/sys/unix"
+
 	"fullcycle/analog-kernel/parser"
 )
  
+const ioctlReadTermios = unix.TCGETS
+const ioctlWriteTermios = unix.TCSETS
+
 const defaultResult = `
 {
 	"result": {
@@ -73,6 +78,17 @@ func init() {
 }
  
 func main() {
+	// Disable echo for stdin.
+	termios, err := unix.IoctlGetTermios(0, ioctlReadTermios)
+	check(err)
+
+	termios.Lflag &= ^(uint32(unix.ECHO | unix.ICANON))
+	termios.Cc[unix.VMIN] = 1
+	termios.Cc[unix.VTIME] = 0
+
+	err = unix.IoctlSetTermios(0, ioctlWriteTermios, termios)
+	check(err)
+
 	var r parser.Request
  
 	// Read the sheet.
...	...	@@ -10,9 +10,14 @@ import (
10	10	"os"
11	11	"strings"
12	12
	13	+ "golang.org/x/sys/unix"
	14	+
13	15	"fullcycle/analog-kernel/parser"
14	16	)
15	17
	18	+const ioctlReadTermios = unix.TCGETS
	19	+const ioctlWriteTermios = unix.TCSETS
	20	+
16	21	const defaultResult = `
17	22	{
18	23	"result": {
...	...	@@ -73,6 +78,17 @@ func init() {
73	78	}
74	79
75	80	func main() {
	81	+ // Disable echo for stdin.
	82	+ termios, err := unix.IoctlGetTermios(0, ioctlReadTermios)
	83	+ check(err)
	84	+
	85	+ termios.Lflag &= ^(uint32(unix.ECHO \| unix.ICANON))
	86	+ termios.Cc[unix.VMIN] = 1
	87	+ termios.Cc[unix.VTIME] = 0
	88	+
	89	+ err = unix.IoctlSetTermios(0, ioctlWriteTermios, termios)
	90	+ check(err)
	91	+
76	92	var r parser.Request
77	93
78	94	// Read the sheet.
...	...