Godeps/_workspace/src/golang.org/x/tools/imports/fastwalk_portable.go


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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build appengine !linux,!darwin,!freebsd,!openbsd,!netbsd

package imports

import (
    "io/ioutil"
    "os"
)

// readDir calls fn for each directory entry in dirName.
// It does not descend into directories or follow symlinks.
// If fn returns a non-nil error, readDir returns with that error
// immediately.
func readDir(dirName string, fn func(dirName, entName string, typ os.FileMode) error) error {
    fis, err := ioutil.ReadDir(dirName)
    if err != nil {
        return err
    }
    for _, fi := range fis {
        if err := fn(dirName, fi.Name(), fi.Mode()&os.ModeType); err != nil {
            return err
        }
    }
    return nil
}