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minio/cmd/posix-errors.go

79 lines
2.0 KiB

/*
* Minio Cloud Storage, (C) 2016 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 cmd
import (
"os"
"runtime"
"syscall"
)
// Check if the given error corresponds to ENOTDIR (is not a directory)
func isSysErrNotDir(err error) bool {
if pathErr, ok := err.(*os.PathError); ok {
switch pathErr.Err {
case syscall.ENOTDIR:
return true
}
}
return false
}
// 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 pathErr, ok := err.(*os.PathError); ok {
if runtime.GOOS == "windows" {
if errno, _ok := pathErr.Err.(syscall.Errno); _ok && errno == 0x91 {
// ERROR_DIR_NOT_EMPTY
return true
}
}
switch pathErr.Err {
case syscall.ENOTEMPTY:
return true
}
}
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 != "windows" {
return false
}
if pathErr, ok := err.(*os.PathError); ok {
if errno, _ok := pathErr.Err.(syscall.Errno); _ok && errno == 0x03 {
// ERROR_PATH_NOT_FOUND
return true
}
}
return false
}
// Check if the given error corresponds to the specific ERROR_INVALID_HANDLE for windows
func isSysErrHandleInvalid(err error) bool {
if runtime.GOOS != "windows" {
return false
}
// Check if err contains ERROR_INVALID_HANDLE errno
if errno, ok := err.(syscall.Errno); ok && errno == 0x6 {
return true
}
return false
}