blob: d600837ebb18a962409e05535ce54d38ad2a12eb (
plain) (
blame)
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
|
// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package os
import (
"syscall"
"unsafe"
)
func direntIno(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Fileno), unsafe.Sizeof(syscall.Dirent{}.Fileno))
}
func direntReclen(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Reclen), unsafe.Sizeof(syscall.Dirent{}.Reclen))
}
func direntNamlen(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Namlen), unsafe.Sizeof(syscall.Dirent{}.Namlen))
}
func direntType(buf []byte) FileMode {
off := unsafe.Offsetof(syscall.Dirent{}.Type)
if off >= uintptr(len(buf)) {
return ^FileMode(0) // unknown
}
typ := buf[off]
switch typ {
case syscall.DT_BLK:
return ModeDevice
case syscall.DT_CHR:
return ModeDevice | ModeCharDevice
case syscall.DT_DIR:
return ModeDir
case syscall.DT_FIFO:
return ModeNamedPipe
case syscall.DT_LNK:
return ModeSymlink
case syscall.DT_REG:
return 0
case syscall.DT_SOCK:
return ModeSocket
}
return ^FileMode(0) // unknown
}
|
