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1 // Copyright 2009 The Go Authors. All rights reserved.
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2 // Use of this source code is governed by a BSD-style
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3 // license that can be found in the LICENSE file.
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4
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5 package os
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6
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7 import (
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8 "syscall"
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9 "time"
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10 )
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11
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12 func fillFileStatFromSys(fs *fileStat, name string) {
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13 fs.name = basename(name)
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14 fs.size = fs.sys.Size
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15 fs.modTime = timespecToTime(fs.sys.Mtim)
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16 fs.mode = FileMode(fs.sys.Mode & 0777)
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17 switch fs.sys.Mode & syscall.S_IFMT {
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18 case syscall.S_IFBLK:
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19 fs.mode |= ModeDevice
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20 case syscall.S_IFCHR:
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21 fs.mode |= ModeDevice | ModeCharDevice
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22 case syscall.S_IFDIR:
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23 fs.mode |= ModeDir
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24 case syscall.S_IFIFO:
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25 fs.mode |= ModeNamedPipe
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26 case syscall.S_IFLNK:
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27 fs.mode |= ModeSymlink
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28 case syscall.S_IFREG:
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29 // nothing to do
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30 case syscall.S_IFSOCK:
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31 fs.mode |= ModeSocket
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32 }
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33 if fs.sys.Mode&syscall.S_ISGID != 0 {
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34 fs.mode |= ModeSetgid
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35 }
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36 if fs.sys.Mode&syscall.S_ISUID != 0 {
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37 fs.mode |= ModeSetuid
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38 }
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39 if fs.sys.Mode&syscall.S_ISVTX != 0 {
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40 fs.mode |= ModeSticky
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41 }
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42 }
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43
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44 func timespecToTime(ts syscall.Timespec) time.Time {
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45 return time.Unix(ts.Sec, ts.Nsec)
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46 }
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47
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48 // For testing.
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49 func atime(fi FileInfo) time.Time {
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50 return timespecToTime(fi.Sys().(*syscall.Stat_t).Atim)
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51 }
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