github.com/zuoyebang/bitalosdb@v1.1.1-0.20240516111551-79a8c4d8ce20/internal/utils/bytes.go (about)

     1  // Copyright 2021 The Bitalosdb author(hustxrb@163.com) and other contributors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package utils
    16  
    17  import (
    18  	"encoding/binary"
    19  )
    20  
    21  func CloneBytes(v []byte) []byte {
    22  	if v == nil {
    23  		return nil
    24  	}
    25  	var clone = make([]byte, len(v))
    26  	copy(clone, v)
    27  	return clone
    28  }
    29  
    30  func BytesToUint32(b []byte) uint32 {
    31  	return binary.BigEndian.Uint32(b)
    32  }
    33  
    34  func Uint32ToBytes(u uint32) []byte {
    35  	buf := make([]byte, 4)
    36  	binary.BigEndian.PutUint32(buf, u)
    37  	return buf
    38  }