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//go:build !darwin && !(aix || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris)
package fastwalk
import "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 (w *walker) readDir(dirName string, depth int) error {
f, err := os.Open(dirName)
if err != nil {
return err
}
des, readErr := f.ReadDir(-1)
f.Close()
if readErr != nil && len(des) == 0 {
return readErr
}
var p *[]DirEntry
if w.sortMode != SortNone {
p = direntSlicePool.Get().(*[]DirEntry)
}
defer putDirentSlice(p)
var skipFiles bool
for _, d := range des {
if skipFiles && d.Type().IsRegular() {
continue
}
// Need to use FileMode.Type().Type() for fs.DirEntry
e := newDirEntry(dirName, d, depth)
if w.sortMode == SortNone {
if err := w.onDirEnt(dirName, d.Name(), e); err != nil {
if err != ErrSkipFiles {
return err
}
skipFiles = true
}
} else {
*p = append(*p, e)
}
}
if w.sortMode == SortNone {
return readErr
}
dents := *p
sortDirents(w.sortMode, dents)
for _, d := range dents {
d := d
if skipFiles && d.Type().IsRegular() {
continue
}
if err := w.onDirEnt(dirName, d.Name(), d); err != nil {
if err != ErrSkipFiles {
return err
}
skipFiles = true
}
}
return readErr
}
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