forked from istio/istio
/
buffer.go
36 lines (31 loc) · 1.17 KB
/
buffer.go
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// Copyright 2016 Istio Authors
//
// 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 pool provides access to a mixer-global pool of buffers, a pool of goroutines, and
// a string interning table.
package pool
import (
"bytes"
"sync"
)
var bufferPool = sync.Pool{New: func() interface{} { return new(bytes.Buffer) }}
// GetBuffer returns a buffer from the buffer pool.
func GetBuffer() *bytes.Buffer {
return bufferPool.Get().(*bytes.Buffer)
}
// PutBuffer returns a buffer to the buffer pool. You shouldn't reference this buffer
// after it has been returned to the pool, otherwise bad things will happen.
func PutBuffer(b *bytes.Buffer) {
b.Reset()
bufferPool.Put(b)
}