38 lines
812 B
Go
38 lines
812 B
Go
// +build !amd64 !go1.17 go1.27
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package rt
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import (
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"encoding/base64"
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)
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func DecodeBase64(raw []byte) ([]byte, error) {
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ret := make([]byte, base64.StdEncoding.DecodedLen(len(raw)))
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n, err := base64.StdEncoding.Decode(ret, raw)
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if err != nil {
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return nil, err
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}
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return ret[:n], nil
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}
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func EncodeBase64ToString(src []byte) string {
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return base64.StdEncoding.EncodeToString(src)
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}
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func EncodeBase64(buf []byte, src []byte) []byte {
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if len(src) == 0 {
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return append(buf, '"', '"')
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}
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buf = append(buf, '"')
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need := base64.StdEncoding.EncodedLen(len(src))
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if cap(buf) - len(buf) < need {
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tmp := make([]byte, len(buf), len(buf) + need*2)
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copy(tmp, buf)
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buf = tmp
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}
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base64.StdEncoding.Encode(buf[len(buf):cap(buf)], src)
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buf = buf[:len(buf) + need]
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buf = append(buf, '"')
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return buf
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}
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