sizer.go

// -*- Mode: Go; indent-tabs-mode: t -*-

/*
 * Copyright (C) 2018-2020 Canonical Ltd
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package osutil

type Sizer struct {
	size int64
}

func (sz *Sizer) Write(data []byte) (n int, err error) {
	n = len(data)
	sz.size += int64(n)
	return
}

func (sz *Sizer) Reset() {
	sz.size = 0
}

func (sz *Sizer) Size() int64 {
	return sz.size
}