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.
12 func (file *File) readdir(n int) ([]FileInfo, error) {
13 // If this file has no dirinfo, create one.
14 if file.dirinfo == nil {
15 file.dirinfo = new(dirInfo)
23 fi := make([]FileInfo, 0, size) // Empty with room to grow.
25 // Refill the buffer if necessary.
27 nb, err := file.Read(d.buf[:])
29 // Update the buffer state before checking for errors.
30 d.bufp, d.nbuf = 0, nb
36 return fi, &PathError{"readdir", file.name, err}
38 if nb < syscall.STATFIXLEN {
39 return fi, &PathError{"readdir", file.name, syscall.ErrShortStat}
43 // Get a record from the buffer.
45 m := int(uint16(b[0])|uint16(b[1])<<8) + 2
46 if m < syscall.STATFIXLEN {
47 return fi, &PathError{"readdir", file.name, syscall.ErrShortStat}
50 dir, err := syscall.UnmarshalDir(b[:m])
52 return fi, &PathError{"readdir", file.name, err}
54 fi = append(fi, fileInfoFromStat(dir))
60 if n >= 0 && len(fi) == 0 {
66 func (file *File) readdirnames(n int) (names []string, err error) {
67 fi, err := file.Readdir(n)
68 names = make([]string, len(fi))
70 names[i] = fi[i].Name()