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dir.go
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/
dir.go
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package virt
import (
"io"
"io/fs"
)
type openDir struct {
*File
offset int
}
var _ fs.File = (*openDir)(nil)
var _ fs.ReadDirFile = (*openDir)(nil)
var _ fs.DirEntry = (*openDir)(nil)
var _ fs.File = (*openDir)(nil)
var _ fs.ReadDirFile = (*openDir)(nil)
func (d *openDir) Close() error {
return nil
}
func (d *openDir) Stat() (fs.FileInfo, error) {
return d.Info()
}
func (d *openDir) Read(p []byte) (int, error) {
return 0, &fs.PathError{Op: "read", Path: d.Path, Err: fs.ErrInvalid}
}
func (d *openDir) ReadDir(count int) ([]fs.DirEntry, error) {
n := len(d.Entries) - d.offset
if count > 0 && n > count {
n = count
}
if n == 0 && count > 0 {
return nil, io.EOF
}
list := make([]fs.DirEntry, n)
for i := range list {
list[i] = d.Entries[d.offset+i]
}
d.offset += n
return list, nil
}