libgo/go/os/stat_atimespec.go

   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
   5 package os
   6
   7 import (
   8         "syscall"
   9         "time"
  10 )
  11
  12 func sameFile(fs1, fs2 *fileStat) bool {
  13         stat1 := fs1.sys.(*syscall.Stat_t)
  14         stat2 := fs2.sys.(*syscall.Stat_t)
  15         return stat1.Dev == stat2.Dev && stat1.Ino == stat2.Ino
  16 }
  17
  18 func fileInfoFromStat(st *syscall.Stat_t, name string) FileInfo {
  19         fs := &fileStat{
  20                 name:    basename(name),
  21                 size:    int64(st.Size),
  22                 modTime: timespecToTime(st.Mtimespec),
  23                 sys:     st,
  24         }
  25         fs.mode = FileMode(st.Mode & 0777)
  26         switch st.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         }
  42         if st.Mode&syscall.S_ISGID != 0 {
  43                 fs.mode |= ModeSetgid
  44         }
  45         if st.Mode&syscall.S_ISUID != 0 {
  46                 fs.mode |= ModeSetuid
  47         }
  48         if st.Mode&syscall.S_ISVTX != 0 {
  49                 fs.mode |= ModeSticky
  50         }
  51         return fs
  52 }
  53
  54 func timespecToTime(ts syscall.Timespec) time.Time {
  55         return time.Unix(int64(ts.Sec), int64(ts.Nsec))
  56 }
  57
  58 // For testing.
  59 func atime(fi FileInfo) time.Time {
  60         return timespecToTime(fi.Sys().(*syscall.Stat_t).Atimespec)
  61 }