From: Brad Fitzpatrick <bradfitz@golang.org>
Date: Tue, 17 Dec 2013 20:25:32 +0000 (-0800)
Subject: os: avoid a string concat in readdir
X-Git-Tag: go1.3beta1~1203
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=ff8e45828c044665b60c37287e4f2d9e91754333;p=gostls13.git

os: avoid a string concat in readdir

R=golang-dev, crawshaw
CC=golang-dev
https://golang.org/cl/37690045
---

diff --git a/src/pkg/os/file_unix.go b/src/pkg/os/file_unix.go
index d49c70c546..37677e2174 100644
--- a/src/pkg/os/file_unix.go
+++ b/src/pkg/os/file_unix.go
@@ -160,11 +160,10 @@ func (f *File) readdir(n int) (fi []FileInfo, err error) {
 	if dirname == "" {
 		dirname = "."
 	}
-	dirname += "/"
 	names, err := f.Readdirnames(n)
 	fi = make([]FileInfo, 0, len(names))
 	for _, filename := range names {
-		fip, lerr := lstat(dirname + filename)
+		fip, lerr := lstat(dirname + "/" + filename)
 		if IsNotExist(lerr) {
 			// File disappeared between readdir + stat.
 			// Just treat it as if it didn't exist.