60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
/*
|
|
* Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 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 minio
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"sync"
|
|
)
|
|
|
|
// tempFile - temporary file container.
|
|
type tempFile struct {
|
|
*os.File
|
|
mutex *sync.Mutex
|
|
}
|
|
|
|
// newTempFile returns a new temporary file, once closed it automatically deletes itself.
|
|
func newTempFile(prefix string) (*tempFile, error) {
|
|
// use platform specific temp directory.
|
|
file, err := ioutil.TempFile(os.TempDir(), prefix)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &tempFile{
|
|
File: file,
|
|
mutex: &sync.Mutex{},
|
|
}, nil
|
|
}
|
|
|
|
// Close - closer wrapper to close and remove temporary file.
|
|
func (t *tempFile) Close() error {
|
|
t.mutex.Lock()
|
|
defer t.mutex.Unlock()
|
|
if t.File != nil {
|
|
// Close the file.
|
|
if err := t.File.Close(); err != nil {
|
|
return err
|
|
}
|
|
// Remove file.
|
|
if err := os.Remove(t.File.Name()); err != nil {
|
|
return err
|
|
}
|
|
t.File = nil
|
|
}
|
|
return nil
|
|
}
|