1// Copyright 2009 The Go 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 os
6
7import (
8	"internal/filepathlite"
9	"syscall"
10	"time"
11)
12
13// These constants aren't in the syscall package, which is frozen.
14// Values taken from golang.org/x/sys/unix.
15const (
16	_S_IFNAM  = 0x5000
17	_S_IFDOOR = 0xd000
18	_S_IFPORT = 0xe000
19)
20
21func fillFileStatFromSys(fs *fileStat, name string) {
22	fs.name = filepathlite.Base(name)
23	fs.size = fs.sys.Size
24	fs.modTime = time.Unix(fs.sys.Mtim.Unix())
25	fs.mode = FileMode(fs.sys.Mode & 0777)
26	switch fs.sys.Mode & syscall.S_IFMT {
27	case syscall.S_IFBLK:
28		fs.mode |= ModeDevice
29	case syscall.S_IFCHR:
30		fs.mode |= ModeDevice | ModeCharDevice
31	case syscall.S_IFDIR:
32		fs.mode |= ModeDir
33	case syscall.S_IFIFO:
34		fs.mode |= ModeNamedPipe
35	case syscall.S_IFLNK:
36		fs.mode |= ModeSymlink
37	case syscall.S_IFREG:
38		// nothing to do
39	case syscall.S_IFSOCK:
40		fs.mode |= ModeSocket
41	case _S_IFNAM, _S_IFDOOR, _S_IFPORT:
42		fs.mode |= ModeIrregular
43	}
44	if fs.sys.Mode&syscall.S_ISGID != 0 {
45		fs.mode |= ModeSetgid
46	}
47	if fs.sys.Mode&syscall.S_ISUID != 0 {
48		fs.mode |= ModeSetuid
49	}
50	if fs.sys.Mode&syscall.S_ISVTX != 0 {
51		fs.mode |= ModeSticky
52	}
53}
54
55// For testing.
56func atime(fi FileInfo) time.Time {
57	return time.Unix(fi.Sys().(*syscall.Stat_t).Atim.Unix())
58}
59