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encoding/json: use base64.Encoding.AppendEncode

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For #53693

Change-Id: I6a428a4a10a2e2efa03296f539e190f0743c1f46
Reviewed-on: https://go-review.googlesource.com/c/go/+/520755
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Andy Pan <panjf2000@gmail.com>
This commit is contained in:
Andy Pan 2023-08-18 11:54:48 +08:00 committed by Gopher Robot
parent ce16086345
commit 3419a0aec1
1 changed files with 2 additions and 6 deletions
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8
src/encoding/json/encode.go
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@ -781,15 +781,11 @@ func encodeByteSlice(e *encodeState, v reflect.Value, _ encOpts) {
e.WriteString("null")
return
}
s := v.Bytes()
encodedLen := base64.StdEncoding.EncodedLen(len(s))
e.Grow(len(`"`) + encodedLen + len(`"`))
// TODO(https://go.dev/issue/53693): Use base64.Encoding.AppendEncode.
s := v.Bytes()
b := e.AvailableBuffer()
b = append(b, '"')
base64.StdEncoding.Encode(b[len(b):][:encodedLen], s)
b = b[:len(b)+encodedLen]
b = base64.StdEncoding.AppendEncode(b, s)
b = append(b, '"')
e.Write(b)
}