package main

import (
	"errors"
	"io"
	"os"
)

var (
	ErrNotSupported = errors.New("land: not supported")
)

type stdFD struct {
	io.ReadWriteCloser
	name string
}

func (s stdFD) Close() error {
	return nil
}

func (s stdFD) Name() string {
	return s.name
}

func (s stdFD) ReadAt(p []byte, off int64) (int, error) {
	return 0, ErrNotSupported
}

func (s stdFD) WriteAt(p []byte, off int64) (int, error) {
	return 0, ErrNotSupported
}

func (s stdFD) Seek(offset int64, whence int) (int64, error) {
	return 0, ErrNotSupported
}

func (s stdFD) Readdir(count int) ([]os.FileInfo, error) {
	return nil, ErrNotSupported
}

func (s stdFD) Readdirnames(n int) ([]string, error) {
	return nil, ErrNotSupported
}

func (s stdFD) Stat() (os.FileInfo, error) {
	return nil, ErrNotSupported
}

func (s stdFD) Sync() error {
	return ErrNotSupported
}

func (s stdFD) Truncate(size int64) error {
	return ErrNotSupported
}

func (s stdFD) WriteString(st string) (int, error) {
	return s.Write([]byte(st))
}