代码拉取完成,页面将自动刷新
// Copyright 2014 The zappy Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Copyright 2011 The Snappy-Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the SNAPPY-GO-LICENSE file.
package zappy
import (
"encoding/binary"
)
// We limit how far copy back-references can go, the same as the snappy C++
// code.
const maxOffset = 1 << 20
// emitCopy writes a copy chunk and returns the number of bytes written.
func emitCopy(dst []byte, offset, length int) (n int) {
n = binary.PutVarint(dst, int64(-length))
n += binary.PutUvarint(dst[n:], uint64(offset))
return
}
// emitLiteral writes a literal chunk and returns the number of bytes written.
func emitLiteral(dst, lit []byte) (n int) {
n = binary.PutVarint(dst, int64(len(lit)-1))
n += copy(dst[n:], lit)
return
}
// MaxEncodedLen returns the maximum length of a zappy block, given its
// uncompressed length.
func MaxEncodedLen(srcLen int) int {
return 10 + srcLen
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。