bastion 0.53.2

client-go/stdio_console_linux.go

@@ -0,0 +1,26 @@
+//go:build linux
+
+package main
+
+import (
+	"os"
+
+	"golang.org/x/sys/unix"
+)
+
+// stdioIsConsole: both standard input and standard output are a terminal, not
+// a file or a pipe.
+func stdioIsConsole() bool {
+	for _, f := range []*os.File{os.Stdin, os.Stdout} {
+		if _, err := unix.IoctlGetTermios(int(f.Fd()), unix.TCGETS); err != nil {
+			return false
+		}
+	}
+	return true
+}
+
+// stdinIsConsole: standard input alone is a terminal (pair_stdin.go).
+func stdinIsConsole() bool {
+	_, err := unix.IoctlGetTermios(int(os.Stdin.Fd()), unix.TCGETS)
+	return err == nil
+}