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// Copyright 2017 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package sharedbytes
// SharedBytes is a custom type for protobuf, it does not
// allocates memory in Unmarshal.
type SharedBytes []byte
// Marshal implements custom type for gogo/protobuf.
func (sb SharedBytes) Marshal() ([]byte, error) {
data := make([]byte, len(sb))
copy(data, sb)
return data, nil
}
// MarshalTo implements custom type for gogo/protobuf.
func (sb SharedBytes) MarshalTo(data []byte) (n int, err error) {
n = copy(data, sb)
return
}
// Unmarshal implements custom type for gogo/protobuf.
func (sb *SharedBytes) Unmarshal(data []byte) error {
*sb = data
return nil
}
// Size implements custom type for gogo/protobuf.
func (sb SharedBytes) Size() int {
return len(sb)
}
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