buffer.go

/*
 * Atree - Scalable Arrays and Ordered Maps
 *
 * Copyright Flow Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package atree

import (
	"bytes"
	"sync"
)

var bufferPool = sync.Pool{
	New: func() any {
		e := new(bytes.Buffer)
		e.Grow(int(maxThreshold))
		return e
	},
}

func getBuffer() *bytes.Buffer {
	return bufferPool.Get().(*bytes.Buffer)
}

func putBuffer(e *bytes.Buffer) {
	e.Reset()
	bufferPool.Put(e)
}