From: YenForYang <YenForYang@users.noreply.github.com>
Date: Tue, 14 Sep 2021 00:41:04 +0000 (-0500)
Subject: Cheaper byte to string conversion (#602)
X-Git-Tag: v1.32.0~65
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=2203b3bcdf516347dfa66057feac7df5dde034db;p=btrtrc.git

Cheaper byte to string conversion (#602)

Revamped https://github.com/anacrolix/torrent/pull/587
---

diff --git a/bencode/misc.go b/bencode/misc.go
index 3b95afce..38b7fce8 100644
--- a/bencode/misc.go
+++ b/bencode/misc.go
@@ -18,13 +18,5 @@ var unmarshalerType = reflect.TypeOf(func() *Unmarshaler {
 }()).Elem()
 
 func bytesAsString(b []byte) string {
-	if len(b) == 0 {
-		return ""
-	}
-	// See https://github.com/golang/go/issues/40701.
-	var s string
-	hdr := (*reflect.StringHeader)(unsafe.Pointer(&s))
-	hdr.Data = uintptr(unsafe.Pointer(&b[0]))
-	hdr.Len = len(b)
-	return s
+	return *(*string)(unsafe.Pointer(&b))
 }