create secman iostrams tty_size functions, update modules

go.mod

@@ -11,6 +11,8 @@ require (
 	github.com/muesli/reflow v0.3.0
 	github.com/spf13/cobra v1.3.0
 	github.com/tidwall/gjson v1.14.0
+	golang.org/x/sys v0.0.0-20211210111614-af8b64212486
+	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
 )
 
 require (
@@ -31,7 +33,5 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.0 // indirect
-	golang.org/x/sys v0.0.0-20211210111614-af8b64212486 // indirect
-	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
 	golang.org/x/text v0.3.7 // indirect
 )

ios/tty_size.go

@@ -0,0 +1,23 @@
+//go:build !windows
+// +build !windows
+
+package ios
+
+import (
+	"os"
+
+	"golang.org/x/term"
+)
+
+// ttySize measures the size of the controlling terminal for the current process
+func ttySize() (int, int, error) {
+	f, err := os.Open("/dev/tty")
+
+	if err != nil {
+		return -1, -1, err
+	}
+
+	defer f.Close()
+
+	return term.GetSize(int(f.Fd()))
+}

ios/tty_size_windows.go

@@ -0,0 +1,19 @@
+package ios
+
+import (
+	"os"
+
+	"golang.org/x/term"
+)
+
+func ttySize() (int, int, error) {
+	f, err := os.Open("CONOUT$")
+
+	if err != nil {
+		return -1, -1, err
+	}
+
+	defer f.Close()
+
+	return term.GetSize(int(f.Fd()))
+}