forked from minio/minio
/
posix-errors.go
120 lines (108 loc) · 2.91 KB
/
posix-errors.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
/*
* Minio Cloud Storage, (C) 2016, 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 cmd
import (
"os"
"runtime"
"syscall"
)
// Function not implemented error
func isSysErrNoSys(err error) bool {
return err == syscall.ENOSYS
}
// Not supported error
func isSysErrOpNotSupported(err error) bool {
return err == syscall.EOPNOTSUPP
}
// No space left on device error
func isSysErrNoSpace(err error) bool {
return err == syscall.ENOSPC
}
// Input/output error
func isSysErrIO(err error) bool {
return err == syscall.EIO
}
// Check if the given error corresponds to EISDIR (is a directory).
func isSysErrIsDir(err error) bool {
if pathErr, ok := err.(*os.PathError); ok {
switch pathErr.Err {
case syscall.EISDIR:
return true
}
}
return false
}
// 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 the ENAMETOOLONG (name too long).
func isSysErrTooLong(err error) bool {
if pathErr, ok := err.(*os.PathError); ok {
switch pathErr.Err {
case syscall.ENAMETOOLONG:
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 == globalWindowsOSName {
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 != globalWindowsOSName {
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 != globalWindowsOSName {
return false
}
// Check if err contains ERROR_INVALID_HANDLE errno
if errno, ok := err.(syscall.Errno); ok && errno == 0x6 {
return true
}
return false
}