1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris 6 7 package os 8 9 import "syscall" 10 11 func isExist(err error) bool { 12 err = underlyingError(err) 13 return err == syscall.EEXIST || err == syscall.ENOTEMPTY || err == ErrExist 14 } 15 16 func isNotExist(err error) bool { 17 err = underlyingError(err) 18 return err == syscall.ENOENT || err == ErrNotExist 19 } 20 21 func isPermission(err error) bool { 22 err = underlyingError(err) 23 return err == syscall.EACCES || err == syscall.EPERM || err == ErrPermission 24 } 25