func dirUnpack(b []byte) ([]*plan9.Dir, error) {
var err error
dirs := make([]*plan9.Dir, 0, 10)
for len(b) > 0 {
if len(b) < 2 {
err = io.ErrUnexpectedEOF
break
}
n := int(b[0]) | int(b[1])<<8
if len(b) < n+2 {
err = io.ErrUnexpectedEOF
break
}
var d *plan9.Dir
d, err = plan9.UnmarshalDir(b[0 : n+2])
if err != nil {
break
}
b = b[n+2:]
if len(dirs) >= cap(dirs) {
ndirs := make([]*plan9.Dir, len(dirs), 2*cap(dirs))
copy(ndirs, dirs)
dirs = ndirs
}
n = len(dirs)
dirs = dirs[0 : n+1]
dirs[n] = d
}
return dirs, err
}
func (fid *Fid) Stat() (*plan9.Dir, error) {
tx := &plan9.Fcall{Type: plan9.Tstat, Fid: fid.fid}
rx, err := fid.c.rpc(tx)
if err != nil {
return nil, err
}
return plan9.UnmarshalDir(rx.Stat)
}