From 10390492a43994e4b77a72508cce90aa034ae603 Mon Sep 17 00:00:00 2001
From: John Howard <jhoward@microsoft.com>
Date: Tue, 31 Jan 2017 16:40:45 -0800
Subject: [PATCH] Fix filename length check alt data stream

Signed-off-by: John Howard <jhoward@microsoft.com>
---
 backuptar/tar.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backuptar/tar.go b/backuptar/tar.go
index 182d845..cfbcedf 100644
--- a/backuptar/tar.go
+++ b/backuptar/tar.go
@@ -339,7 +339,7 @@ func WriteBackupStreamFromTarFile(w io.Writer, t *tar.Reader, hdr *tar.Header) (
 		bhdr := winio.BackupHeader{
 			Id:   winio.BackupAlternateData,
 			Size: ahdr.Size,
-			Name: ahdr.Name[len(hdr.Name)+1:] + ":$DATA",
+			Name: ahdr.Name[len(hdr.Name):] + ":$DATA",
 		}
 		err = bw.WriteHeader(&bhdr)
 		if err != nil {