diff options
Diffstat (limited to 'src/pkg/os/error_windows.go')
| -rw-r--r-- | src/pkg/os/error_windows.go | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/src/pkg/os/error_windows.go b/src/pkg/os/error_windows.go index fbb0d4f3f..83db6c078 100644 --- a/src/pkg/os/error_windows.go +++ b/src/pkg/os/error_windows.go @@ -7,7 +7,12 @@ package os import "syscall" func isExist(err error) bool { - if pe, ok := err.(*PathError); ok { + switch pe := err.(type) { + case nil: + return false + case *PathError: + err = pe.Err + case *LinkError: err = pe.Err } return err == syscall.ERROR_ALREADY_EXISTS || @@ -15,7 +20,12 @@ func isExist(err error) bool { } func isNotExist(err error) bool { - if pe, ok := err.(*PathError); ok { + switch pe := err.(type) { + case nil: + return false + case *PathError: + err = pe.Err + case *LinkError: err = pe.Err } return err == syscall.ERROR_FILE_NOT_FOUND || @@ -23,7 +33,12 @@ func isNotExist(err error) bool { } func isPermission(err error) bool { - if pe, ok := err.(*PathError); ok { + switch pe := err.(type) { + case nil: + return false + case *PathError: + err = pe.Err + case *LinkError: err = pe.Err } return err == syscall.ERROR_ACCESS_DENIED || err == ErrPermission |