mirror of https://github.com/minio/minio.git
115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
// +build plan9 solaris
|
|
|
|
/*
|
|
* MinIO Cloud Storage, (C) 2016-2020 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 (
|
|
"io"
|
|
"os"
|
|
"syscall"
|
|
)
|
|
|
|
// Return all the entries at the directory dirPath.
|
|
func readDir(dirPath string) (entries []string, err error) {
|
|
return readDirN(dirPath, -1)
|
|
}
|
|
|
|
// readDir applies the filter function on each entries at dirPath, doesn't recurse into
|
|
// the directory itself.
|
|
func readDirFilterFn(dirPath string, filter func(name string, typ os.FileMode) error) error {
|
|
d, err := os.Open(dirPath)
|
|
if err != nil {
|
|
return osErrToFileErr(err)
|
|
}
|
|
defer d.Close()
|
|
|
|
maxEntries := 1000
|
|
for {
|
|
// Read up to max number of entries.
|
|
fis, err := d.Readdir(maxEntries)
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
return osErrToFileErr(err)
|
|
}
|
|
for _, fi := range fis {
|
|
if err = filter(fi.Name(), fi.Mode()); err == errDoneForNow {
|
|
// filtering requested to return by caller.
|
|
return nil
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Return N entries at the directory dirPath. If count is -1, return all entries
|
|
func readDirN(dirPath string, count int) (entries []string, err error) {
|
|
d, err := os.Open(dirPath)
|
|
if err != nil {
|
|
return nil, osErrToFileErr(err)
|
|
}
|
|
defer d.Close()
|
|
|
|
maxEntries := 1000
|
|
if count > 0 && count < maxEntries {
|
|
maxEntries = count
|
|
}
|
|
|
|
done := false
|
|
remaining := count
|
|
|
|
for !done {
|
|
// Read up to max number of entries.
|
|
fis, err := d.Readdir(maxEntries)
|
|
if err != nil {
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
return nil, osErrToFileErr(err)
|
|
}
|
|
if count > -1 {
|
|
if remaining <= len(fis) {
|
|
fis = fis[:remaining]
|
|
done = true
|
|
}
|
|
}
|
|
for _, fi := range fis {
|
|
// Not need to follow symlink.
|
|
if fi.Mode()&os.ModeSymlink == os.ModeSymlink {
|
|
continue
|
|
}
|
|
if fi.Mode().IsDir() {
|
|
// Append SlashSeparator instead of "\" so that sorting is achieved as expected.
|
|
entries = append(entries, fi.Name()+SlashSeparator)
|
|
} else if fi.Mode().IsRegular() {
|
|
entries = append(entries, fi.Name())
|
|
}
|
|
if count > 0 {
|
|
remaining--
|
|
}
|
|
}
|
|
}
|
|
return entries, nil
|
|
}
|
|
|
|
func globalSync() {
|
|
// no-op not sure about plan9/solaris support for syscall support
|
|
syscall.Sync()
|
|
}
|