1 files changed, 23 insertions, 0 deletions
diff --git a/src/internal/safefilepath/path_other.go b/src/internal/safefilepath/path_other.go
new file mode 100644
index 0000000000..f93da18680
--- /dev/null
+++ b/src/internal/safefilepath/path_other.go
@@ -0,0 +1,23 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build !windows
+
+package safefilepath
+
+import "runtime"
+
+func fromFS(path string) (string, error) {
+	if runtime.GOOS == "plan9" {
+		if len(path) > 0 && path[0] == '#' {
+			return path, errInvalidPath
+		}
+	}
+	for i := range path {
+		if path[i] == 0 {
+			return "", errInvalidPath
+		}
+	}
+	return path, nil
+}