mirror of
https://github.com/minio/minio.git
synced 2025-11-09 05:34:56 -05:00
Remove go1.9 specific code for windows (#5033)
Following fix https://go-review.googlesource.com/#/c/41834/ has been merged upstream and released with go1.9.
This commit is contained in:
committed by
Nitish Tiwari
parent
ad53c5d859
commit
3d0dced23c
@@ -19,10 +19,9 @@
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package disk
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import (
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"os"
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"syscall"
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"unsafe"
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os2 "github.com/minio/minio/pkg/x/os"
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)
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var (
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@@ -44,7 +43,7 @@ var (
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// https://msdn.microsoft.com/en-us/library/windows/desktop/aa364937(v=vs.85).aspx
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func GetInfo(path string) (info Info, err error) {
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// Stat to know if the path exists.
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if _, err = os2.Stat(path); err != nil {
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if _, err = os.Stat(path); err != nil {
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return Info{}, err
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}
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@@ -24,8 +24,6 @@ import (
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"path/filepath"
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"syscall"
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"unsafe"
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os2 "github.com/minio/minio/pkg/x/os"
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)
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var (
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@@ -54,7 +52,7 @@ func lockedOpenFile(path string, flag int, perm os.FileMode, lockType uint32) (*
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return nil, err
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}
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st, err := os2.Stat(path)
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st, err := os.Stat(path)
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if err != nil {
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f.Close()
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return nil, err
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@@ -23,11 +23,11 @@ import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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os2 "github.com/minio/minio/pkg/x/os"
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yaml "gopkg.in/yaml.v2"
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)
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@@ -126,7 +126,7 @@ func saveFileConfig(filename string, v interface{}) error {
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// decoder format according to the filename extension. If no
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// extension is provided, json will be selected by default.
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func loadFileConfig(filename string, v interface{}) error {
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if _, err := os2.Stat(filename); err != nil {
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if _, err := os.Stat(filename); err != nil {
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return err
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}
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fileData, err := ioutil.ReadFile(filename)
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@@ -21,8 +21,6 @@ import (
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"os"
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"path"
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"testing"
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os2 "github.com/minio/minio/pkg/x/os"
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)
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type MySuite struct {
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@@ -54,7 +52,7 @@ func TestSafeAbort(t *testing.T) {
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t.Fatal(err)
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}
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_, err = os2.Stat(path.Join(s.root, "testfile-abort"))
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_, err = os.Stat(path.Join(s.root, "testfile-abort"))
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if !os.IsNotExist(err) {
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t.Fatal(err)
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}
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@@ -80,7 +78,7 @@ func TestSafeClose(t *testing.T) {
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t.Fatal(err)
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}
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_, err = os2.Stat(path.Join(s.root, "testfile-close"))
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_, err = os.Stat(path.Join(s.root, "testfile-close"))
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if !os.IsNotExist(err) {
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t.Fatal(err)
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}
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@@ -90,7 +88,7 @@ func TestSafeClose(t *testing.T) {
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t.Fatal(err)
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}
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_, err = os2.Stat(path.Join(s.root, "testfile-close"))
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_, err = os.Stat(path.Join(s.root, "testfile-close"))
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if err != nil {
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t.Fatal(err)
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}
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@@ -118,7 +116,7 @@ func TestSafe(t *testing.T) {
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t.Fatal(err)
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}
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_, err = os2.Stat(path.Join(s.root, "testfile-safe"))
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_, err = os.Stat(path.Join(s.root, "testfile-safe"))
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if !os.IsNotExist(err) {
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t.Fatal(err)
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}
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@@ -142,7 +140,7 @@ func TestSafe(t *testing.T) {
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}
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}
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_, err = os2.Stat(path.Join(s.root, "testfile-safe"))
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_, err = os.Stat(path.Join(s.root, "testfile-safe"))
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if err != nil {
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t.Fatal(err)
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}
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@@ -163,7 +161,7 @@ func TestSafeAbortWrite(t *testing.T) {
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t.Fatal(err)
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}
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_, err = os2.Stat(path.Join(s.root, "purgefile-abort"))
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_, err = os.Stat(path.Join(s.root, "purgefile-abort"))
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if !os.IsNotExist(err) {
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t.Fatal(err)
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}
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@@ -173,7 +171,7 @@ func TestSafeAbortWrite(t *testing.T) {
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t.Fatal(err)
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}
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_, err = os2.Stat(path.Join(s.root, "purgefile-abort"))
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_, err = os.Stat(path.Join(s.root, "purgefile-abort"))
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if !os.IsNotExist(err) {
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t.Fatal(err)
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}
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@@ -1,28 +0,0 @@
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// +build !windows
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/*
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* Minio Cloud Storage, (C) 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package os
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import os1 "os"
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// Stat returns a FileInfo structure describing the
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// named file. If there is an error, it will be of type
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// *PathError.
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func Stat(name string) (os1.FileInfo, error) {
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return os1.Stat(name)
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}
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@@ -1,268 +0,0 @@
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// +build windows
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/*
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* Minio Cloud Storage, (C) 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// FIXME: Once we have a go version released with the
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// following fix https://go-review.googlesource.com/#/c/41834/.
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// We should actively purge this block.
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package os implements extended safe functions
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// for stdlib "os".
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package os
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import (
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os1 "os"
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"path/filepath"
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"syscall"
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"time"
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)
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const errSharingViolation syscall.Errno = 32
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// fixLongPath returns the extended-length (\\?\-prefixed) form of
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// path when needed, in order to avoid the default 260 character file
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// path limit imposed by Windows. If path is not easily converted to
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// the extended-length form (for example, if path is a relative path
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// or contains .. elements), or is short enough, fixLongPath returns
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// path unmodified.
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//
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// See https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx#maxpath
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func fixLongPath(path string) string {
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// Do nothing (and don't allocate) if the path is "short".
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// Empirically (at least on the Windows Server 2013 builder),
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// the kernel is arbitrarily okay with < 248 bytes. That
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// matches what the docs above say:
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// "When using an API to create a directory, the specified
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// path cannot be so long that you cannot append an 8.3 file
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// name (that is, the directory name cannot exceed MAX_PATH
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// minus 12)." Since MAX_PATH is 260, 260 - 12 = 248.
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//
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// The MSDN docs appear to say that a normal path that is 248 bytes long
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// will work; empirically the path must be less then 248 bytes long.
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if len(path) < 248 {
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// Don't fix. (This is how Go 1.7 and earlier worked,
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// not automatically generating the \\?\ form)
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return path
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}
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// The extended form begins with \\?\, as in
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// \\?\c:\windows\foo.txt or \\?\UNC\server\share\foo.txt.
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// The extended form disables evaluation of . and .. path
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// elements and disables the interpretation of / as equivalent
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// to \. The conversion here rewrites / to \ and elides
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// . elements as well as trailing or duplicate separators. For
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// simplicity it avoids the conversion entirely for relative
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// paths or paths containing .. elements. For now,
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// \\server\share paths are not converted to
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// \\?\UNC\server\share paths because the rules for doing so
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// are less well-specified.
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if len(path) >= 2 && path[:2] == `\\` {
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// Don't canonicalize UNC paths.
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return path
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}
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if !filepath.IsAbs(path) {
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// Relative path
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return path
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}
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const prefix = `\\?`
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pathbuf := make([]byte, len(prefix)+len(path)+len(`\`))
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copy(pathbuf, prefix)
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n := len(path)
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r, w := 0, len(prefix)
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for r < n {
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switch {
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case os1.IsPathSeparator(path[r]):
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// empty block
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r++
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case path[r] == '.' && (r+1 == n || os1.IsPathSeparator(path[r+1])):
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// /./
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r++
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case r+1 < n && path[r] == '.' && path[r+1] == '.' && (r+2 == n || os1.IsPathSeparator(path[r+2])):
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// /../ is currently unhandled
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return path
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default:
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pathbuf[w] = '\\'
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w++
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for ; r < n && !os1.IsPathSeparator(path[r]); r++ {
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pathbuf[w] = path[r]
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w++
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}
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}
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}
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// A drive's root directory needs a trailing \
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if w == len(`\\?\c:`) {
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pathbuf[w] = '\\'
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w++
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}
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return string(pathbuf[:w])
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}
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// Stat returns a FileInfo structure describing the
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// named file. If there is an error, it will be of type
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// *PathError.
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func Stat(name string) (os1.FileInfo, error) {
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if len(name) == 0 {
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return nil, &os1.PathError{
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Op: "Stat",
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Path: name,
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Err: syscall.Errno(syscall.ERROR_PATH_NOT_FOUND),
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}
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}
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if name == os1.DevNull {
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return &devNullStat, nil
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}
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namep, err := syscall.UTF16PtrFromString(fixLongPath(name))
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if err != nil {
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return nil, &os1.PathError{Op: "Stat", Path: name, Err: err}
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}
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// Use Windows I/O manager to dereference the symbolic link, as per
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// https://blogs.msdn.microsoft.com/oldnewthing/20100212-00/?p=14963/
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h, err := syscall.CreateFile(namep, 0, 0, nil,
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syscall.OPEN_EXISTING, syscall.FILE_FLAG_BACKUP_SEMANTICS, 0)
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if err != nil {
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if err == errSharingViolation {
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// try FindFirstFile now that CreateFile failed
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return statWithFindFirstFile(name, namep)
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}
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return nil, &os1.PathError{Op: "CreateFile", Path: name, Err: err}
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}
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defer syscall.CloseHandle(h)
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var d syscall.ByHandleFileInformation
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if err = syscall.GetFileInformationByHandle(h, &d); err != nil {
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return nil, &os1.PathError{
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Op: "GetFileInformationByHandle",
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Path: name,
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Err: err,
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}
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}
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return &fileStat{
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name: filepath.Base(name),
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sys: syscall.Win32FileAttributeData{
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FileAttributes: d.FileAttributes,
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CreationTime: d.CreationTime,
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LastAccessTime: d.LastAccessTime,
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LastWriteTime: d.LastWriteTime,
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FileSizeHigh: d.FileSizeHigh,
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FileSizeLow: d.FileSizeLow,
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},
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vol: d.VolumeSerialNumber,
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idxhi: d.FileIndexHigh,
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idxlo: d.FileIndexLow,
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// fileStat.path is used by os1.SameFile to decide, if it needs
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// to fetch vol, idxhi and idxlo. But these are already set,
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// so set fileStat.path to "" to prevent os1.SameFile doing it again.
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// Also do not set fileStat.filetype, because it is only used for
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// console and stdin/stdout. But you cannot call os1.Stat for these.
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}, nil
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}
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// statWithFindFirstFile is used by Stat to handle special case of stating
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// c:\pagefile.sys. We might discovered other files need similar treatment.
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func statWithFindFirstFile(name string, namep *uint16) (os1.FileInfo, error) {
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var fd syscall.Win32finddata
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h, err := syscall.FindFirstFile(namep, &fd)
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if err != nil {
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return nil, &os1.PathError{Op: "FindFirstFile", Path: name, Err: err}
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}
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syscall.FindClose(h)
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fullpath := name
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if !filepath.IsAbs(fullpath) {
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fullpath, err = syscall.FullPath(fullpath)
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if err != nil {
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return nil, &os1.PathError{Op: "FullPath", Path: name, Err: err}
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}
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}
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return &fileStat{
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name: filepath.Base(name),
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path: fullpath,
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sys: syscall.Win32FileAttributeData{
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FileAttributes: fd.FileAttributes,
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CreationTime: fd.CreationTime,
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LastAccessTime: fd.LastAccessTime,
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LastWriteTime: fd.LastWriteTime,
|
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FileSizeHigh: fd.FileSizeHigh,
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FileSizeLow: fd.FileSizeLow,
|
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},
|
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}, nil
|
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}
|
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|
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// A fileStat is the implementation of os1.FileInfo returned by stat.
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type fileStat struct {
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name string
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sys syscall.Win32FileAttributeData
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filetype uint32 // what syscall.GetFileType returns
|
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path string
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vol uint32
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idxhi uint32
|
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idxlo uint32
|
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}
|
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|
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func (fs *fileStat) Name() string { return fs.name }
|
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func (fs *fileStat) IsDir() bool { return fs.Mode().IsDir() }
|
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|
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func (fs *fileStat) Size() int64 {
|
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return int64(fs.sys.FileSizeHigh)<<32 + int64(fs.sys.FileSizeLow)
|
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}
|
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|
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// devNullStat is fileStat structure describing DevNull file ("NUL").
|
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var devNullStat = fileStat{
|
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name: os1.DevNull,
|
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vol: 0,
|
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idxhi: 0,
|
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idxlo: 0,
|
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}
|
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|
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func (fs *fileStat) Mode() (m os1.FileMode) {
|
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if fs == &devNullStat {
|
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return os1.ModeDevice | os1.ModeCharDevice | 0666
|
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}
|
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if fs.sys.FileAttributes&syscall.FILE_ATTRIBUTE_READONLY != 0 {
|
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m |= 0444
|
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} else {
|
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m |= 0666
|
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}
|
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if fs.sys.FileAttributes&syscall.FILE_ATTRIBUTE_REPARSE_POINT != 0 {
|
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return m | os1.ModeSymlink
|
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}
|
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if fs.sys.FileAttributes&syscall.FILE_ATTRIBUTE_DIRECTORY != 0 {
|
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m |= os1.ModeDir | 0111
|
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}
|
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switch fs.filetype {
|
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case syscall.FILE_TYPE_PIPE:
|
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m |= os1.ModeNamedPipe
|
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case syscall.FILE_TYPE_CHAR:
|
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m |= os1.ModeCharDevice
|
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}
|
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return m
|
||||
}
|
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|
||||
func (fs *fileStat) ModTime() time.Time {
|
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return time.Unix(0, fs.sys.LastWriteTime.Nanoseconds())
|
||||
}
|
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|
||||
// Sys returns syscall.Win32FileAttributeData for file fs.
|
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func (fs *fileStat) Sys() interface{} { return &fs.sys }
|
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@@ -1,245 +0,0 @@
|
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// +build windows
|
||||
|
||||
/*
|
||||
* Minio Cloud Storage, (C) 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 os
|
||||
|
||||
import (
|
||||
"io/ioutil"
|
||||
os1 "os"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
"syscall"
|
||||
"testing"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
var (
|
||||
modnetapi32 = syscall.NewLazyDLL("netapi32.dll")
|
||||
|
||||
procNetShareAdd = modnetapi32.NewProc("NetShareAdd")
|
||||
procNetShareDel = modnetapi32.NewProc("NetShareDel")
|
||||
)
|
||||
|
||||
func netShareAdd(serverName *uint16, level uint32, buf *byte, parmErr *uint16) (neterr error) {
|
||||
r0, _, _ := syscall.Syscall6(procNetShareAdd.Addr(), 4, uintptr(unsafe.Pointer(serverName)), uintptr(level), uintptr(unsafe.Pointer(buf)), uintptr(unsafe.Pointer(parmErr)), 0, 0)
|
||||
if r0 != 0 {
|
||||
neterr = syscall.Errno(r0)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func netShareDel(serverName *uint16, netName *uint16, reserved uint32) (neterr error) {
|
||||
r0, _, _ := syscall.Syscall(procNetShareDel.Addr(), 3, uintptr(unsafe.Pointer(serverName)), uintptr(unsafe.Pointer(netName)), uintptr(reserved))
|
||||
if r0 != 0 {
|
||||
neterr = syscall.Errno(r0)
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
type shareInfo2 struct {
|
||||
Netname *uint16
|
||||
Type uint32
|
||||
Remark *uint16
|
||||
Permissions uint32
|
||||
MaxUses uint32
|
||||
CurrentUses uint32
|
||||
Path *uint16
|
||||
Passwd *uint16
|
||||
}
|
||||
|
||||
func sameFile(fi1, fi2 os1.FileInfo) bool {
|
||||
fii1, ok1 := fi1.(*fileStat)
|
||||
fii2, ok2 := fi2.(*fileStat)
|
||||
if !ok1 || !ok2 {
|
||||
return false
|
||||
}
|
||||
return fii1.vol == fii2.vol && fii1.idxhi == fii2.idxhi && fii1.idxlo == fii2.idxlo
|
||||
}
|
||||
|
||||
func TestNetworkSymbolicLink(t *testing.T) {
|
||||
dir, err := ioutil.TempDir("", "TestNetworkSymbolicLink")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer os1.RemoveAll(dir)
|
||||
|
||||
oldwd, err := os1.Getwd()
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
err = os1.Chdir(dir)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer os1.Chdir(oldwd)
|
||||
|
||||
shareName := "GoSymbolicLinkTestShare" // hope no conflicts.
|
||||
sharePath := filepath.Join(dir, shareName)
|
||||
testDir := "TestDir"
|
||||
|
||||
err = os1.MkdirAll(filepath.Join(sharePath, testDir), 0777)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
wShareName, err := syscall.UTF16PtrFromString(shareName)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
wSharePath, err := syscall.UTF16PtrFromString(sharePath)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
p := shareInfo2{
|
||||
Netname: wShareName,
|
||||
Type: 0x00, // STYPE_DISKTREE
|
||||
Remark: nil,
|
||||
Permissions: 0,
|
||||
MaxUses: 1,
|
||||
CurrentUses: 0,
|
||||
Path: wSharePath,
|
||||
Passwd: nil,
|
||||
}
|
||||
|
||||
err = netShareAdd(nil, 2, (*byte)(unsafe.Pointer(&p)), nil)
|
||||
if err != nil {
|
||||
if err == syscall.ERROR_ACCESS_DENIED {
|
||||
t.Skip("you don't have enough privileges to add network share")
|
||||
}
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer func() {
|
||||
err := netShareDel(nil, wShareName, 0)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
}()
|
||||
|
||||
UNCPath := `\\localhost\` + shareName + `\`
|
||||
|
||||
fi1, err := Stat(sharePath)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
fi2, err := Stat(UNCPath)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if !sameFile(fi1, fi2) {
|
||||
t.Fatalf("%q and %q should be the same directory, but not", sharePath, UNCPath)
|
||||
}
|
||||
|
||||
target := filepath.Join(UNCPath, testDir)
|
||||
link := "link"
|
||||
|
||||
err = os1.Symlink(target, link)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer os1.Remove(link)
|
||||
|
||||
got, err := os1.Readlink(link)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
if got != target {
|
||||
t.Errorf(`os1.Readlink("%s"): got %v, want %v`, link, got, target)
|
||||
}
|
||||
}
|
||||
|
||||
func TestShareNotExistError(t *testing.T) {
|
||||
if testing.Short() {
|
||||
t.Skip("slow test that uses network; skipping")
|
||||
}
|
||||
_, err := Stat(`\\no_such_server\no_such_share\no_such_file`)
|
||||
if err == nil {
|
||||
t.Fatal("Stat succeeded, but expected to fail")
|
||||
}
|
||||
if !os1.IsNotExist(err) {
|
||||
t.Fatalf("os1.Stat failed with %q, but os1.IsNotExist(err) is false", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestStatPagefile(t *testing.T) {
|
||||
_, err := Stat(`c:\pagefile.sys`)
|
||||
if err == nil {
|
||||
return
|
||||
}
|
||||
if os1.IsNotExist(err) {
|
||||
t.Skip(`skipping because c:\pagefile.sys is not found`)
|
||||
}
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
func TestStatSymlinkLoop(t *testing.T) {
|
||||
err := os1.Symlink("x", "y")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer os1.Remove("y")
|
||||
|
||||
err = os1.Symlink("y", "x")
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
defer os1.Remove("x")
|
||||
|
||||
_, err = Stat("x")
|
||||
if err != nil {
|
||||
if _, ok := err.(*os1.PathError); !ok {
|
||||
t.Errorf("expected *PathError, got %T: %v\n", err, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestFixLongPath(t *testing.T) {
|
||||
// 248 is long enough to trigger the longer-than-248 checks in
|
||||
// fixLongPath, but short enough not to make a path component
|
||||
// longer than 255, which is illegal on Windows. (which
|
||||
// doesn't really matter anyway, since this is purely a string
|
||||
// function we're testing, and it's not actually being used to
|
||||
// do a system call)
|
||||
veryLong := "l" + strings.Repeat("o", 248) + "ng"
|
||||
for _, test := range []struct{ in, want string }{
|
||||
// Short; unchanged:
|
||||
{`C:\short.txt`, `C:\short.txt`},
|
||||
{`C:\`, `C:\`},
|
||||
{`C:`, `C:`},
|
||||
// The "long" substring is replaced by a looooooong
|
||||
// string which triggers the rewriting. Except in the
|
||||
// cases below where it doesn't.
|
||||
{`C:\long\foo.txt`, `\\?\C:\long\foo.txt`},
|
||||
{`C:/long/foo.txt`, `\\?\C:\long\foo.txt`},
|
||||
{`C:\long\foo\\bar\.\baz\\`, `\\?\C:\long\foo\bar\baz`},
|
||||
{`\\unc\path`, `\\unc\path`},
|
||||
{`long.txt`, `long.txt`},
|
||||
{`C:long.txt`, `C:long.txt`},
|
||||
{`c:\long\..\bar\baz`, `c:\long\..\bar\baz`},
|
||||
{`\\?\c:\long\foo.txt`, `\\?\c:\long\foo.txt`},
|
||||
{`\\?\c:\long/foo.txt`, `\\?\c:\long/foo.txt`},
|
||||
} {
|
||||
in := strings.Replace(test.in, "long", veryLong, -1)
|
||||
want := strings.Replace(test.want, "long", veryLong, -1)
|
||||
if got := fixLongPath(in); got != want {
|
||||
got = strings.Replace(got, veryLong, "long", -1)
|
||||
t.Errorf("fixLongPath(%q) = %q; want %q", test.in, got, test.want)
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user