}
	n, r.err = r.r.Read(p)
	return n, r.err
}

func newPart(mr *Reader, rawPart bool, maxMIMEHeaderSize, maxMIMEHeaders int64) (*Part, error) {
	bp := &Part{
		Header: make(map[string][]string),
		mr:     mr,
	}
	if err := bp.populateHeaders(maxMIMEHeaderSize, maxMIMEHeaders); err != nil {
		return nil, err
	}
	bp.r = partReader{bp}

	}
	maxParts := 1000
	if s := multipartmaxparts.Value(); s != "" {
		if v, err := strconv.Atoi(s); err == nil && v >= 0 {
			maxParts = v
			multipartmaxparts.IncNonDefault()
		}
	}
	maxHeaders := maxMIMEHeaders()

	defer func() {
		if file != nil {
			if cerr := file.Close(); err == nil {
				err = cerr
			}
		}
		if combineFiles && numDiskFiles > 1 {
			for _, fhs := range form.File {