| // Copyright 2012 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. |
| |
| package os |
| |
| import "syscall" |
| |
| func isExist(err error) bool { |
| if pe, ok := err.(*PathError); ok { |
| err = pe.Err |
| } |
| return err == syscall.ERROR_ALREADY_EXISTS || |
| err == syscall.ERROR_FILE_EXISTS || err == ErrExist |
| } |
| |
| func isNotExist(err error) bool { |
| if pe, ok := err.(*PathError); ok { |
| err = pe.Err |
| } |
| return err == syscall.ERROR_FILE_NOT_FOUND || |
| err == syscall.ERROR_PATH_NOT_FOUND || err == ErrNotExist |
| } |
| |
| func isPermission(err error) bool { |
| if pe, ok := err.(*PathError); ok { |
| err = pe.Err |
| } |
| return err == ErrPermission |
| } |
