Method init

zstd/blockenc.go:37–74

init should be used once the block has been created. If called more than once, the effect is the same as calling reset.

()

// init should be used once the block has been created.
// If called more than once, the effect is the same as calling reset.
func (b *blockEnc) init() {
	if b.lowMem {
		// 1K literals
		if cap(b.literals) < 1<<10 {
			b.literals = make([]byte, 0, 1<<10)
		}
		const defSeqs = 20
		if cap(b.sequences) < defSeqs {
			b.sequences = make([]seq, 0, defSeqs)
		}
		// 1K
		if cap(b.output) < 1<<10 {
			b.output = make([]byte, 0, 1<<10)
		}
	} else {
		if cap(b.literals) < maxCompressedBlockSize {
			b.literals = make([]byte, 0, maxCompressedBlockSize)
		}
		const defSeqs = 2000
		if cap(b.sequences) < defSeqs {
			b.sequences = make([]seq, 0, defSeqs)
		}
		if cap(b.output) < maxCompressedBlockSize {
			b.output = make([]byte, 0, maxCompressedBlockSize)
		}
	}

	if b.coders.mlEnc == nil {
		b.coders.mlEnc = &fseEncoder{}
		b.coders.mlPrev = &fseEncoder{}
		b.coders.ofEnc = &fseEncoder{}
		b.coders.ofPrev = &fseEncoder{}
		b.coders.llEnc = &fseEncoder{}
		b.coders.llPrev = &fseEncoder{}
	}
	b.litEnc = &huff0.Scratch{WantLogLess: 4}
	b.reset(nil)
}

// initNewEncode can be used to reset offsets and encoders to the initial state.
func (b *blockEnc) initNewEncode() {