1// Copyright 2016 the Go-FUSE Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package fuse
6
7import (
8	"os"
9	"syscall"
10	"time"
11)
12
13func (a *Attr) IsFifo() bool { return (uint32(a.Mode) & syscall.S_IFMT) == syscall.S_IFIFO }
14
15// IsChar reports whether the FileInfo describes a character special file.
16func (a *Attr) IsChar() bool { return (uint32(a.Mode) & syscall.S_IFMT) == syscall.S_IFCHR }
17
18// IsDir reports whether the FileInfo describes a directory.
19func (a *Attr) IsDir() bool { return (uint32(a.Mode) & syscall.S_IFMT) == syscall.S_IFDIR }
20
21// IsBlock reports whether the FileInfo describes a block special file.
22func (a *Attr) IsBlock() bool { return (uint32(a.Mode) & syscall.S_IFMT) == syscall.S_IFBLK }
23
24// IsRegular reports whether the FileInfo describes a regular file.
25func (a *Attr) IsRegular() bool { return (uint32(a.Mode) & syscall.S_IFMT) == syscall.S_IFREG }
26
27// IsSymlink reports whether the FileInfo describes a symbolic link.
28func (a *Attr) IsSymlink() bool { return (uint32(a.Mode) & syscall.S_IFMT) == syscall.S_IFLNK }
29
30// IsSocket reports whether the FileInfo describes a socket.
31func (a *Attr) IsSocket() bool { return (uint32(a.Mode) & syscall.S_IFMT) == syscall.S_IFSOCK }
32
33func (a *Attr) SetTimes(access *time.Time, mod *time.Time, chstatus *time.Time) {
34	if access != nil {
35		a.Atime = uint64(access.Unix())
36		a.Atimensec = uint32(access.Nanosecond())
37	}
38	if mod != nil {
39		a.Mtime = uint64(mod.Unix())
40		a.Mtimensec = uint32(mod.Nanosecond())
41	}
42	if chstatus != nil {
43		a.Ctime = uint64(chstatus.Unix())
44		a.Ctimensec = uint32(chstatus.Nanosecond())
45	}
46}
47
48func (a *Attr) ChangeTime() time.Time {
49	return time.Unix(int64(a.Ctime), int64(a.Ctimensec))
50}
51
52func (a *Attr) AccessTime() time.Time {
53	return time.Unix(int64(a.Atime), int64(a.Atimensec))
54}
55
56func (a *Attr) ModTime() time.Time {
57	return time.Unix(int64(a.Mtime), int64(a.Mtimensec))
58}
59
60func ToStatT(f os.FileInfo) *syscall.Stat_t {
61	s, _ := f.Sys().(*syscall.Stat_t)
62	if s != nil {
63		return s
64	}
65	return nil
66}
67
68func ToAttr(f os.FileInfo) *Attr {
69	if f == nil {
70		return nil
71	}
72	s := ToStatT(f)
73	if s != nil {
74		a := &Attr{}
75		a.FromStat(s)
76		return a
77	}
78	return nil
79}
80