| 1 | // Copyright 2016 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. |
| 4 | |
| 5 | //go:build appengine || (!linux && !darwin && !freebsd && !openbsd && !netbsd) |
| 6 | // +build appengine !linux,!darwin,!freebsd,!openbsd,!netbsd |
| 7 | |
| 8 | package fastwalk |
| 9 | |
| 10 | import ( |
| 11 | "io/ioutil" |
| 12 | "os" |
| 13 | ) |
| 14 | |
| 15 | // readDir calls fn for each directory entry in dirName. |
| 16 | // It does not descend into directories or follow symlinks. |
| 17 | // If fn returns a non-nil error, readDir returns with that error |
| 18 | // immediately. |
| 19 | func readDir(dirName string, fn func(dirName, entName string, typ os.FileMode) error) error { |
| 20 | fis, err := ioutil.ReadDir(dirName) |
| 21 | if err != nil { |
| 22 | return err |
| 23 | } |
| 24 | skipFiles := false |
| 25 | for _, fi := range fis { |
| 26 | if fi.Mode().IsRegular() && skipFiles { |
| 27 | continue |
| 28 | } |
| 29 | if err := fn(dirName, fi.Name(), fi.Mode()&os.ModeType); err != nil { |
| 30 | if err == ErrSkipFiles { |
| 31 | skipFiles = true |
| 32 | continue |
| 33 | } |
| 34 | return err |
| 35 | } |
| 36 | } |
| 37 | return nil |
| 38 | } |
| 39 |
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