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package contentenc
import (
"log"
"sync"
)
// bPool is a byte slice pool
type bPool struct {
sync.Pool
sliceLen int
}
func newBPool(sliceLen int) bPool {
return bPool{
Pool: sync.Pool{
New: func() interface{} { return make([]byte, sliceLen) },
},
sliceLen: sliceLen,
}
}
// Put grows the slice "s" to its maximum capacity and puts it into the pool.
func (b *bPool) Put(s []byte) {
s = s[:cap(s)]
if len(s) != b.sliceLen {
log.Panicf("wrong len=%d, want=%d", len(s), b.sliceLen)
}
b.Pool.Put(s)
}
// Get returns a byte slice from the pool.
func (b *bPool) Get() (s []byte) {
s = b.Pool.Get().([]byte)
if len(s) != b.sliceLen {
log.Panicf("wrong len=%d, want=%d", len(s), b.sliceLen)
}
return s
}
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