| // Copyright 2009 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" |
| "time" |
| ) |
| |
| func sameFile(sys1, sys2 interface{}) bool { |
| stat1 := sys1.(*syscall.Stat_t) |
| stat2 := sys2.(*syscall.Stat_t) |
| return stat1.Dev == stat2.Dev && stat1.Ino == stat2.Ino |
| } |
| |
| func fileInfoFromStat(st *syscall.Stat_t, name string) FileInfo { |
| fs := &fileStat{ |
| name: basename(name), |
| size: int64(st.Size), |
| modTime: timespecToTime(st.Mtim), |
| sys: st, |
| } |
| fs.mode = FileMode(st.Mode & 0777) |
| switch st.Mode & syscall.S_IFMT { |
| case syscall.S_IFBLK: |
| fs.mode |= ModeDevice |
| case syscall.S_IFCHR: |
| fs.mode |= ModeDevice | ModeCharDevice |
| case syscall.S_IFDIR: |
| fs.mode |= ModeDir |
| case syscall.S_IFIFO: |
| fs.mode |= ModeNamedPipe |
| case syscall.S_IFLNK: |
| fs.mode |= ModeSymlink |
| case syscall.S_IFREG: |
| // nothing to do |
| case syscall.S_IFSOCK: |
| fs.mode |= ModeSocket |
| } |
| if st.Mode&syscall.S_ISGID != 0 { |
| fs.mode |= ModeSetgid |
| } |
| if st.Mode&syscall.S_ISUID != 0 { |
| fs.mode |= ModeSetuid |
| } |
| if st.Mode&syscall.S_ISVTX != 0 { |
| fs.mode |= ModeSticky |
| } |
| return fs |
| } |
| |
| func timespecToTime(ts syscall.Timespec) time.Time { |
| return time.Unix(int64(ts.Sec), int64(ts.Nsec)) |
| } |
| |
| // For testing. |
| func atime(fi FileInfo) time.Time { |
| return timespecToTime(fi.Sys().(*syscall.Stat_t).Atim) |
| } |