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util.go
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/
util.go
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package ufs
import (
"os"
"syscall"
p9p "github.com/frobnitzem/go-p9p"
)
func dirFromEntry(entry os.DirEntry) (p9p.Dir, error) {
info, err := entry.Info() // os.FileInfo
if err != nil {
return p9p.Dir{}, err
}
return dirFromInfo(info), err
}
func dirFromInfo(info os.FileInfo) p9p.Dir {
dir := p9p.Dir{}
dir.Qid.Path = info.Sys().(*syscall.Stat_t).Ino
dir.Qid.Version = uint32(info.ModTime().UnixNano() / 1000000)
dir.Name = info.Name()
dir.Mode = uint32(info.Mode() & 0777)
dir.Length = uint64(info.Size())
dir.AccessTime = atime(info.Sys().(*syscall.Stat_t))
dir.ModTime = info.ModTime()
dir.MUID = "none"
if info.Mode().IsDir() {
dir.Qid.Type |= p9p.QTDIR
dir.Mode |= p9p.DMDIR
}
return dir
}
func oflags(mode p9p.Flag) int {
flags := 0
switch mode & 3 {
case p9p.OREAD:
flags = os.O_RDONLY
break
case p9p.ORDWR:
flags = os.O_RDWR
break
case p9p.OWRITE:
flags = os.O_WRONLY
break
case p9p.OEXEC:
flags = os.O_RDONLY
break
}
if mode&p9p.OTRUNC != 0 {
flags |= os.O_TRUNC
}
return flags
}