From 263a98f9add1ad140e74a93aabce8c6559934f2b Mon Sep 17 00:00:00 2001
From: spf13 <steve.francia@gmail.com>
Date: Fri, 31 Oct 2014 23:39:14 -0400
Subject: [PATCH] MemDir now reports a size

---
 httpFs.go  | 1 +
 memfile.go | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/httpFs.go b/httpFs.go
index af44344..a08f0bd 100644
--- a/httpFs.go
+++ b/httpFs.go
@@ -36,6 +36,7 @@ func (d httpDir) Open(name string) (http.File, error) {
 	if dir == "" {
 		dir = "."
 	}
+
 	f, err := d.fs.Open(filepath.Join(dir, filepath.FromSlash(path.Clean("/"+name))))
 	if err != nil {
 		return nil, err
diff --git a/memfile.go b/memfile.go
index fcf80d2..4815c6b 100644
--- a/memfile.go
+++ b/memfile.go
@@ -191,8 +191,13 @@ type InMemoryFileInfo struct {
 
 // Implements os.FileInfo
 func (s *InMemoryFileInfo) Name() string       { return s.file.Name() }
-func (s *InMemoryFileInfo) Size() int64        { return int64(len(s.file.data)) }
 func (s *InMemoryFileInfo) Mode() os.FileMode  { return s.file.mode }
 func (s *InMemoryFileInfo) ModTime() time.Time { return s.file.modtime }
 func (s *InMemoryFileInfo) IsDir() bool        { return s.file.dir }
 func (s *InMemoryFileInfo) Sys() interface{}   { return nil }
+func (s *InMemoryFileInfo) Size() int64 {
+	if s.IsDir() {
+		return int64(42)
+	}
+	return int64(len(s.file.data))
+}