author | Mikael Berthe <mikael@lilotux.net> |
Tue, 23 Aug 2022 22:39:43 +0200 | |
changeset 260 | 445e01aede7e |
parent 256 | 6d9efbef00a9 |
permissions | -rw-r--r-- |
242
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1 |
// Copyright © 2015 Steve Francia <spf@spf13.com>. |
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2 |
// Copyright 2013 tsuru authors. All rights reserved. |
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3 |
// |
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4 |
// Licensed under the Apache License, Version 2.0 (the "License"); |
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5 |
// you may not use this file except in compliance with the License. |
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6 |
// You may obtain a copy of the License at |
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7 |
// http://www.apache.org/licenses/LICENSE-2.0 |
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8 |
// |
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9 |
// Unless required by applicable law or agreed to in writing, software |
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10 |
// distributed under the License is distributed on an "AS IS" BASIS, |
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11 |
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 |
// See the License for the specific language governing permissions and |
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13 |
// limitations under the License. |
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14 |
|
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15 |
package mem |
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16 |
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17 |
import ( |
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18 |
"bytes" |
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19 |
"errors" |
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20 |
"io" |
260 | 21 |
"io/fs" |
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22 |
"os" |
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23 |
"path/filepath" |
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24 |
"sync" |
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25 |
"sync/atomic" |
256 | 26 |
"time" |
260 | 27 |
|
28 |
"github.com/spf13/afero/internal/common" |
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29 |
) |
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30 |
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31 |
const FilePathSeparator = string(filepath.Separator) |
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260 | 33 |
var _ fs.ReadDirFile = &File{} |
34 |
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35 |
type File struct { |
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36 |
// atomic requires 64-bit alignment for struct field access |
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37 |
at int64 |
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38 |
readDirCount int64 |
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39 |
closed bool |
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40 |
readOnly bool |
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41 |
fileData *FileData |
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42 |
} |
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43 |
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44 |
func NewFileHandle(data *FileData) *File { |
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return &File{fileData: data} |
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46 |
} |
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47 |
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48 |
func NewReadOnlyFileHandle(data *FileData) *File { |
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49 |
return &File{fileData: data, readOnly: true} |
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50 |
} |
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51 |
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52 |
func (f File) Data() *FileData { |
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53 |
return f.fileData |
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54 |
} |
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55 |
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56 |
type FileData struct { |
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57 |
sync.Mutex |
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58 |
name string |
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59 |
data []byte |
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60 |
memDir Dir |
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61 |
dir bool |
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62 |
mode os.FileMode |
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63 |
modtime time.Time |
256 | 64 |
uid int |
65 |
gid int |
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66 |
} |
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67 |
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68 |
func (d *FileData) Name() string { |
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69 |
d.Lock() |
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70 |
defer d.Unlock() |
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71 |
return d.name |
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72 |
} |
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73 |
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74 |
func CreateFile(name string) *FileData { |
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75 |
return &FileData{name: name, mode: os.ModeTemporary, modtime: time.Now()} |
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76 |
} |
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77 |
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78 |
func CreateDir(name string) *FileData { |
260 | 79 |
return &FileData{name: name, memDir: &DirMap{}, dir: true, modtime: time.Now()} |
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80 |
} |
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81 |
|
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82 |
func ChangeFileName(f *FileData, newname string) { |
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83 |
f.Lock() |
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84 |
f.name = newname |
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85 |
f.Unlock() |
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86 |
} |
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87 |
|
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88 |
func SetMode(f *FileData, mode os.FileMode) { |
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89 |
f.Lock() |
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90 |
f.mode = mode |
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91 |
f.Unlock() |
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92 |
} |
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93 |
|
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94 |
func SetModTime(f *FileData, mtime time.Time) { |
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95 |
f.Lock() |
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96 |
setModTime(f, mtime) |
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97 |
f.Unlock() |
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98 |
} |
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99 |
|
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100 |
func setModTime(f *FileData, mtime time.Time) { |
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101 |
f.modtime = mtime |
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102 |
} |
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103 |
|
256 | 104 |
func SetUID(f *FileData, uid int) { |
105 |
f.Lock() |
|
106 |
f.uid = uid |
|
107 |
f.Unlock() |
|
108 |
} |
|
109 |
||
110 |
func SetGID(f *FileData, gid int) { |
|
111 |
f.Lock() |
|
112 |
f.gid = gid |
|
113 |
f.Unlock() |
|
114 |
} |
|
115 |
||
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116 |
func GetFileInfo(f *FileData) *FileInfo { |
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117 |
return &FileInfo{f} |
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118 |
} |
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119 |
|
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120 |
func (f *File) Open() error { |
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121 |
atomic.StoreInt64(&f.at, 0) |
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122 |
atomic.StoreInt64(&f.readDirCount, 0) |
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123 |
f.fileData.Lock() |
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124 |
f.closed = false |
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125 |
f.fileData.Unlock() |
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126 |
return nil |
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127 |
} |
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128 |
|
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129 |
func (f *File) Close() error { |
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130 |
f.fileData.Lock() |
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131 |
f.closed = true |
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132 |
if !f.readOnly { |
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133 |
setModTime(f.fileData, time.Now()) |
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134 |
} |
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135 |
f.fileData.Unlock() |
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136 |
return nil |
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137 |
} |
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138 |
|
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139 |
func (f *File) Name() string { |
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140 |
return f.fileData.Name() |
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141 |
} |
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142 |
|
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143 |
func (f *File) Stat() (os.FileInfo, error) { |
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|
144 |
return &FileInfo{f.fileData}, nil |
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|
145 |
} |
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parents:
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changeset
|
146 |
|
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parents:
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changeset
|
147 |
func (f *File) Sync() error { |
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changeset
|
148 |
return nil |
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changeset
|
149 |
} |
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changeset
|
150 |
|
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parents:
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changeset
|
151 |
func (f *File) Readdir(count int) (res []os.FileInfo, err error) { |
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|
152 |
if !f.fileData.dir { |
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|
153 |
return nil, &os.PathError{Op: "readdir", Path: f.fileData.name, Err: errors.New("not a dir")} |
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changeset
|
154 |
} |
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|
155 |
var outLength int64 |
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changeset
|
156 |
|
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changeset
|
157 |
f.fileData.Lock() |
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parents:
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changeset
|
158 |
files := f.fileData.memDir.Files()[f.readDirCount:] |
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parents:
diff
changeset
|
159 |
if count > 0 { |
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parents:
diff
changeset
|
160 |
if len(files) < count { |
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changeset
|
161 |
outLength = int64(len(files)) |
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changeset
|
162 |
} else { |
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changeset
|
163 |
outLength = int64(count) |
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changeset
|
164 |
} |
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changeset
|
165 |
if len(files) == 0 { |
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parents:
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changeset
|
166 |
err = io.EOF |
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changeset
|
167 |
} |
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parents:
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changeset
|
168 |
} else { |
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changeset
|
169 |
outLength = int64(len(files)) |
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|
170 |
} |
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changeset
|
171 |
f.readDirCount += outLength |
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changeset
|
172 |
f.fileData.Unlock() |
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changeset
|
173 |
|
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|
174 |
res = make([]os.FileInfo, outLength) |
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parents:
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changeset
|
175 |
for i := range res { |
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changeset
|
176 |
res[i] = &FileInfo{files[i]} |
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changeset
|
177 |
} |
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changeset
|
178 |
|
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|
179 |
return res, err |
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changeset
|
180 |
} |
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changeset
|
181 |
|
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parents:
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changeset
|
182 |
func (f *File) Readdirnames(n int) (names []string, err error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
183 |
fi, err := f.Readdir(n) |
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Use vendoring for backward compatibility
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parents:
diff
changeset
|
184 |
names = make([]string, len(fi)) |
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changeset
|
185 |
for i, f := range fi { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
186 |
_, names[i] = filepath.Split(f.Name()) |
2a9ec03fe5a1
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parents:
diff
changeset
|
187 |
} |
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parents:
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changeset
|
188 |
return names, err |
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parents:
diff
changeset
|
189 |
} |
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parents:
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changeset
|
190 |
|
260 | 191 |
// Implements fs.ReadDirFile |
192 |
func (f *File) ReadDir(n int) ([]fs.DirEntry, error) { |
|
193 |
fi, err := f.Readdir(n) |
|
194 |
if err != nil { |
|
195 |
return nil, err |
|
196 |
} |
|
197 |
di := make([]fs.DirEntry, len(fi)) |
|
198 |
for i, f := range fi { |
|
199 |
di[i] = common.FileInfoDirEntry{FileInfo: f} |
|
200 |
} |
|
201 |
return di, nil |
|
202 |
} |
|
203 |
||
242
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|
204 |
func (f *File) Read(b []byte) (n int, err error) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
205 |
f.fileData.Lock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
206 |
defer f.fileData.Unlock() |
260 | 207 |
if f.closed { |
242
2a9ec03fe5a1
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parents:
diff
changeset
|
208 |
return 0, ErrFileClosed |
2a9ec03fe5a1
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parents:
diff
changeset
|
209 |
} |
2a9ec03fe5a1
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parents:
diff
changeset
|
210 |
if len(b) > 0 && int(f.at) == len(f.fileData.data) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
211 |
return 0, io.EOF |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
212 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
213 |
if int(f.at) > len(f.fileData.data) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
214 |
return 0, io.ErrUnexpectedEOF |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
215 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
216 |
if len(f.fileData.data)-int(f.at) >= len(b) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
217 |
n = len(b) |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
218 |
} else { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
219 |
n = len(f.fileData.data) - int(f.at) |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
220 |
} |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
221 |
copy(b, f.fileData.data[f.at:f.at+int64(n)]) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
222 |
atomic.AddInt64(&f.at, int64(n)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
223 |
return |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
224 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
225 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
226 |
func (f *File) ReadAt(b []byte, off int64) (n int, err error) { |
256 | 227 |
prev := atomic.LoadInt64(&f.at) |
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
228 |
atomic.StoreInt64(&f.at, off) |
256 | 229 |
n, err = f.Read(b) |
230 |
atomic.StoreInt64(&f.at, prev) |
|
231 |
return |
|
242
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
232 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
233 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
234 |
func (f *File) Truncate(size int64) error { |
260 | 235 |
if f.closed { |
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
236 |
return ErrFileClosed |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
237 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
238 |
if f.readOnly { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
239 |
return &os.PathError{Op: "truncate", Path: f.fileData.name, Err: errors.New("file handle is read only")} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
240 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
241 |
if size < 0 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
242 |
return ErrOutOfRange |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
243 |
} |
256 | 244 |
f.fileData.Lock() |
245 |
defer f.fileData.Unlock() |
|
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
246 |
if size > int64(len(f.fileData.data)) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
247 |
diff := size - int64(len(f.fileData.data)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
248 |
f.fileData.data = append(f.fileData.data, bytes.Repeat([]byte{00}, int(diff))...) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
249 |
} else { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
250 |
f.fileData.data = f.fileData.data[0:size] |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
251 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
252 |
setModTime(f.fileData, time.Now()) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
253 |
return nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
254 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
255 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
256 |
func (f *File) Seek(offset int64, whence int) (int64, error) { |
260 | 257 |
if f.closed { |
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
258 |
return 0, ErrFileClosed |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
259 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
260 |
switch whence { |
256 | 261 |
case io.SeekStart: |
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
262 |
atomic.StoreInt64(&f.at, offset) |
256 | 263 |
case io.SeekCurrent: |
264 |
atomic.AddInt64(&f.at, offset) |
|
265 |
case io.SeekEnd: |
|
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
266 |
atomic.StoreInt64(&f.at, int64(len(f.fileData.data))+offset) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
267 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
268 |
return f.at, nil |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
269 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
270 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
271 |
func (f *File) Write(b []byte) (n int, err error) { |
260 | 272 |
if f.closed { |
256 | 273 |
return 0, ErrFileClosed |
274 |
} |
|
242
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
275 |
if f.readOnly { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
276 |
return 0, &os.PathError{Op: "write", Path: f.fileData.name, Err: errors.New("file handle is read only")} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
277 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
278 |
n = len(b) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
279 |
cur := atomic.LoadInt64(&f.at) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
280 |
f.fileData.Lock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
281 |
defer f.fileData.Unlock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
282 |
diff := cur - int64(len(f.fileData.data)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
283 |
var tail []byte |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
284 |
if n+int(cur) < len(f.fileData.data) { |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
285 |
tail = f.fileData.data[n+int(cur):] |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
286 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
287 |
if diff > 0 { |
256 | 288 |
f.fileData.data = append(f.fileData.data, append(bytes.Repeat([]byte{00}, int(diff)), b...)...) |
242
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289 |
f.fileData.data = append(f.fileData.data, tail...) |
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290 |
} else { |
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291 |
f.fileData.data = append(f.fileData.data[:cur], b...) |
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parents:
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|
292 |
f.fileData.data = append(f.fileData.data, tail...) |
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293 |
} |
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|
294 |
setModTime(f.fileData, time.Now()) |
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295 |
|
256 | 296 |
atomic.AddInt64(&f.at, int64(n)) |
242
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297 |
return |
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298 |
} |
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299 |
|
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|
300 |
func (f *File) WriteAt(b []byte, off int64) (n int, err error) { |
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|
301 |
atomic.StoreInt64(&f.at, off) |
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parents:
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|
302 |
return f.Write(b) |
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|
303 |
} |
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|
304 |
|
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parents:
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changeset
|
305 |
func (f *File) WriteString(s string) (ret int, err error) { |
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parents:
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|
306 |
return f.Write([]byte(s)) |
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parents:
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changeset
|
307 |
} |
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parents:
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changeset
|
308 |
|
2a9ec03fe5a1
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parents:
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changeset
|
309 |
func (f *File) Info() *FileInfo { |
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parents:
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|
310 |
return &FileInfo{f.fileData} |
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|
311 |
} |
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changeset
|
312 |
|
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|
313 |
type FileInfo struct { |
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parents:
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|
314 |
*FileData |
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parents:
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changeset
|
315 |
} |
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|
316 |
|
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|
317 |
// Implements os.FileInfo |
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|
318 |
func (s *FileInfo) Name() string { |
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|
319 |
s.Lock() |
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parents:
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changeset
|
320 |
_, name := filepath.Split(s.name) |
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parents:
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changeset
|
321 |
s.Unlock() |
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changeset
|
322 |
return name |
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parents:
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changeset
|
323 |
} |
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parents:
diff
changeset
|
324 |
func (s *FileInfo) Mode() os.FileMode { |
2a9ec03fe5a1
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parents:
diff
changeset
|
325 |
s.Lock() |
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Use vendoring for backward compatibility
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parents:
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changeset
|
326 |
defer s.Unlock() |
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parents:
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changeset
|
327 |
return s.mode |
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parents:
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changeset
|
328 |
} |
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parents:
diff
changeset
|
329 |
func (s *FileInfo) ModTime() time.Time { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
330 |
s.Lock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
331 |
defer s.Unlock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
332 |
return s.modtime |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
333 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
334 |
func (s *FileInfo) IsDir() bool { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
335 |
s.Lock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
336 |
defer s.Unlock() |
2a9ec03fe5a1
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Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
337 |
return s.dir |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
338 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
339 |
func (s *FileInfo) Sys() interface{} { return nil } |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
340 |
func (s *FileInfo) Size() int64 { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
341 |
if s.IsDir() { |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
342 |
return int64(42) |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
343 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
344 |
s.Lock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
345 |
defer s.Unlock() |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
346 |
return int64(len(s.data)) |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
347 |
} |
2a9ec03fe5a1
Use vendoring for backward compatibility
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parents:
diff
changeset
|
348 |
|
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
349 |
var ( |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
350 |
ErrFileClosed = errors.New("File is closed") |
260 | 351 |
ErrOutOfRange = errors.New("out of range") |
352 |
ErrTooLarge = errors.New("too large") |
|
242
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parents:
diff
changeset
|
353 |
ErrFileNotFound = os.ErrNotExist |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
354 |
ErrFileExists = os.ErrExist |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
355 |
ErrDestinationExists = os.ErrExist |
2a9ec03fe5a1
Use vendoring for backward compatibility
Mikael Berthe <mikael@lilotux.net>
parents:
diff
changeset
|
356 |
) |