62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package os
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import (
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"syscall"
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"time"
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)
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func sameFile(fs1, fs2 *fileStat) bool {
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stat1 := fs1.sys.(*syscall.Stat_t)
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stat2 := fs2.sys.(*syscall.Stat_t)
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return stat1.Dev == stat2.Dev && stat1.Ino == stat2.Ino
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}
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func fileInfoFromStat(st *syscall.Stat_t, name string) FileInfo {
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fs := &fileStat{
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name: basename(name),
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size: int64(st.Size),
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modTime: timespecToTime(st.Mtimespec),
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sys: st,
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}
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fs.mode = FileMode(st.Mode & 0777)
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switch st.Mode & syscall.S_IFMT {
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case syscall.S_IFBLK:
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fs.mode |= ModeDevice
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case syscall.S_IFCHR:
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fs.mode |= ModeDevice | ModeCharDevice
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case syscall.S_IFDIR:
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fs.mode |= ModeDir
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case syscall.S_IFIFO:
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fs.mode |= ModeNamedPipe
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case syscall.S_IFLNK:
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fs.mode |= ModeSymlink
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case syscall.S_IFREG:
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// nothing to do
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case syscall.S_IFSOCK:
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fs.mode |= ModeSocket
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}
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if st.Mode&syscall.S_ISGID != 0 {
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fs.mode |= ModeSetgid
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}
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if st.Mode&syscall.S_ISUID != 0 {
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fs.mode |= ModeSetuid
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}
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if st.Mode&syscall.S_ISVTX != 0 {
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fs.mode |= ModeSticky
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}
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return fs
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}
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func timespecToTime(ts syscall.Timespec) time.Time {
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return time.Unix(int64(ts.Sec), int64(ts.Nsec))
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}
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// For testing.
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func atime(fi FileInfo) time.Time {
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return timespecToTime(fi.Sys().(*syscall.Stat_t).Atimespec)
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}
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