130 lines
3.4 KiB
Go
130 lines
3.4 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2016, 2017 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package legacy
|
|
|
|
import (
|
|
"errors"
|
|
"os"
|
|
"runtime"
|
|
"syscall"
|
|
)
|
|
|
|
// Function not implemented error
|
|
func isSysErrNoSys(err error) bool {
|
|
return errors.Is(err, syscall.ENOSYS)
|
|
}
|
|
|
|
// Not supported error
|
|
func isSysErrOpNotSupported(err error) bool {
|
|
return errors.Is(err, syscall.EOPNOTSUPP)
|
|
}
|
|
|
|
// No space left on device error
|
|
func isSysErrNoSpace(err error) bool {
|
|
return errors.Is(err, syscall.ENOSPC)
|
|
}
|
|
|
|
// Invalid argument, unsupported flags such as O_DIRECT
|
|
func isSysErrInvalidArg(err error) bool {
|
|
return errors.Is(err, syscall.EINVAL)
|
|
}
|
|
|
|
// Input/output error
|
|
func isSysErrIO(err error) bool {
|
|
return errors.Is(err, syscall.EIO)
|
|
}
|
|
|
|
// Check if the given error corresponds to EISDIR (is a directory).
|
|
func isSysErrIsDir(err error) bool {
|
|
return errors.Is(err, syscall.EISDIR)
|
|
}
|
|
|
|
// Check if the given error corresponds to ENOTDIR (is not a directory).
|
|
func isSysErrNotDir(err error) bool {
|
|
return errors.Is(err, syscall.ENOTDIR)
|
|
}
|
|
|
|
// Check if the given error corresponds to the ENAMETOOLONG (name too long).
|
|
func isSysErrTooLong(err error) bool {
|
|
return errors.Is(err, syscall.ENAMETOOLONG)
|
|
}
|
|
|
|
// Check if the given error corresponds to the ELOOP (too many symlinks).
|
|
func isSysErrTooManySymlinks(err error) bool {
|
|
return errors.Is(err, syscall.ELOOP)
|
|
}
|
|
|
|
// Check if the given error corresponds to ENOTEMPTY for unix
|
|
// and ERROR_DIR_NOT_EMPTY for windows (directory not empty).
|
|
func isSysErrNotEmpty(err error) bool {
|
|
if errors.Is(err, syscall.ENOTEMPTY) {
|
|
return true
|
|
}
|
|
var pathErr *os.PathError
|
|
if errors.As(err, &pathErr) {
|
|
if runtime.GOOS == globalWindowsOSName {
|
|
var errno syscall.Errno
|
|
if errors.As(pathErr.Err, &errno) {
|
|
// ERROR_DIR_NOT_EMPTY
|
|
return errno == 0x91
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Check if the given error corresponds to the specific ERROR_PATH_NOT_FOUND for windows
|
|
func isSysErrPathNotFound(err error) bool {
|
|
if runtime.GOOS != globalWindowsOSName {
|
|
return false
|
|
}
|
|
var pathErr *os.PathError
|
|
if errors.As(err, &pathErr) {
|
|
var errno syscall.Errno
|
|
if errors.As(pathErr.Err, &errno) {
|
|
// ERROR_PATH_NOT_FOUND
|
|
return errno == 0x03
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
// Check if the given error corresponds to the specific ERROR_INVALID_HANDLE for windows
|
|
func isSysErrHandleInvalid(err error) bool {
|
|
if runtime.GOOS != globalWindowsOSName {
|
|
return false
|
|
}
|
|
// Check if err contains ERROR_INVALID_HANDLE errno
|
|
var pathErr *os.PathError
|
|
if errors.As(err, &pathErr) {
|
|
var errno syscall.Errno
|
|
if errors.As(pathErr.Err, &errno) {
|
|
// ERROR_PATH_NOT_FOUND
|
|
return errno == 0x6
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func isSysErrCrossDevice(err error) bool {
|
|
return errors.Is(err, syscall.EXDEV)
|
|
}
|
|
|
|
// Check if given error corresponds to too many open files
|
|
func isSysErrTooManyFiles(err error) bool {
|
|
return errors.Is(err, syscall.ENFILE) || errors.Is(err, syscall.EMFILE)
|
|
}
|