gotosocial/vendor/codeberg.org/gruf/go-pools/bytes.go

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package pools
import (
"sync"
"codeberg.org/gruf/go-byteutil"
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)
// BufferPool is a pooled allocator for bytes.Buffer objects
type BufferPool interface {
// Get fetches a bytes.Buffer from pool
Get() *byteutil.Buffer
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// Put places supplied bytes.Buffer in pool
Put(*byteutil.Buffer)
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}
// NewBufferPool returns a newly instantiated bytes.Buffer pool
func NewBufferPool(size int) BufferPool {
return &bufferPool{
pool: sync.Pool{
New: func() interface{} {
return &byteutil.Buffer{B: make([]byte, 0, size)}
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},
},
size: size,
}
}
// bufferPool is our implementation of BufferPool
type bufferPool struct {
pool sync.Pool
size int
}
func (p *bufferPool) Get() *byteutil.Buffer {
return p.pool.Get().(*byteutil.Buffer)
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}
func (p *bufferPool) Put(buf *byteutil.Buffer) {
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if buf.Cap() < p.size {
return
}
buf.Reset()
p.pool.Put(buf)
}