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// +build !amd64 !go1.17 go1.24
/*
* Copyright 2022 ByteDance 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package base64
import (
"encoding/base64"
)
func EncodeBase64(buf []byte, src []byte) []byte {
if len(src) == 0 {
return append(buf, '"', '"')
}
buf = append(buf, '"')
need := base64.StdEncoding.EncodedLen(len(src))
if cap(buf) - len(buf) < need {
tmp := make([]byte, len(buf), len(buf) + need*2)
copy(tmp, buf)
buf = tmp
}
base64.StdEncoding.Encode(buf[len(buf):cap(buf)], src)
buf = buf[:len(buf) + need]
buf = append(buf, '"')
return buf
}
func DecodeBase64(src string) ([]byte, error) {
return base64.StdEncoding.DecodeString(src)
}
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