in pkg/files/store/file.go [63:74]
func (f *file) Seek(offset int64, whence int) (int64, error) {
switch whence {
case io.SeekCurrent:
f.cur += offset
case io.SeekStart:
f.cur = offset
case io.SeekEnd:
f.cur = f.size
}
return f.cur, nil
}