From: cuiweixie <cuiweixie@gmail.com>
Date: Wed, 28 Sep 2022 02:44:32 +0000 (+0800)
Subject: crypto: use fmt.Appendf
X-Git-Tag: go1.20rc1~841
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=690851ee3e48b85088698a9dbcc7dd112cef9eb5;p=gostls13.git

crypto: use fmt.Appendf

Change-Id: I022a221e2d73cd8c70e8e04b7046c388748646a5
Reviewed-on: https://go-review.googlesource.com/c/go/+/435696
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>
Run-TryBot: Robert Griesemer <gri@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
---

diff --git a/src/crypto/tls/common.go b/src/crypto/tls/common.go
index 7d686fd088..f860ac9dfb 100644
--- a/src/crypto/tls/common.go
+++ b/src/crypto/tls/common.go
@@ -1338,7 +1338,7 @@ func (c *Config) writeKeyLog(label string, clientRandom, secret []byte) error {
 		return nil
 	}
 
-	logLine := []byte(fmt.Sprintf("%s %x %x\n", label, clientRandom, secret))
+	logLine := fmt.Appendf(nil, "%s %x %x\n", label, clientRandom, secret)
 
 	writerMutex.Lock()
 	_, err := c.KeyLogWriter.Write(logLine)