51 lines
796 B
Go
51 lines
796 B
Go
// Copyright (C) 2014 Jakob Borg and other contributors. All rights reserved.
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// Use of this source code is governed by an MIT-style license that can be
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// found in the LICENSE file.
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// Package buffers manages a set of reusable byte buffers.
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package buffers
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const (
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largeMin = 1024
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)
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var (
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smallBuffers = make(chan []byte, 32)
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largeBuffers = make(chan []byte, 32)
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)
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func Get(size int) []byte {
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var ch = largeBuffers
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if size < largeMin {
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ch = smallBuffers
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}
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var buf []byte
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select {
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case buf = <-ch:
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default:
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}
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if len(buf) < size {
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return make([]byte, size)
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}
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return buf[:size]
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}
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func Put(buf []byte) {
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buf = buf[:cap(buf)]
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if len(buf) == 0 {
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return
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}
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var ch = largeBuffers
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if len(buf) < largeMin {
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ch = smallBuffers
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}
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select {
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case ch <- buf:
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default:
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}
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}
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