mirror of
https://github.com/Mrs4s/go-cqhttp.git
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28 lines
504 B
Go
28 lines
504 B
Go
package global
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import (
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"bytes"
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"sync"
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)
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var bufferPool = sync.Pool{
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New: func() interface{} {
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return new(bytes.Buffer)
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},
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}
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// NewBuffer 从池中获取新 bytes.Buffer
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func NewBuffer() *bytes.Buffer {
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return bufferPool.Get().(*bytes.Buffer)
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}
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// PutBuffer 将 Buffer放入池中
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func PutBuffer(buf *bytes.Buffer) {
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// See https://golang.org/issue/23199
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const maxSize = 1 << 16
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if buf != nil && buf.Cap() < maxSize { // 对于大Buffer直接丢弃
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buf.Reset()
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bufferPool.Put(buf)
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}
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}
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