From 75ec94a87a52a7230c9b7d9b3e150a0da2725e58 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 6 Aug 2017 23:12:27 +0200
Subject: nametransform: add Dir() function

Dir is like filepath.Dir but returns "" instead of ".".
This was already implemented in fusefrontend_reverse as saneDir().

We will need it in nametransform for the improved diriv caching.
---
 internal/fusefrontend_reverse/virtualfile.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'internal/fusefrontend_reverse/virtualfile.go')

diff --git a/internal/fusefrontend_reverse/virtualfile.go b/internal/fusefrontend_reverse/virtualfile.go
index 05b8349..2fae175 100644
--- a/internal/fusefrontend_reverse/virtualfile.go
+++ b/internal/fusefrontend_reverse/virtualfile.go
@@ -7,6 +7,7 @@ import (
 	"github.com/hanwen/go-fuse/fuse"
 	"github.com/hanwen/go-fuse/fuse/nodefs"
 
+	"github.com/rfjakob/gocryptfs/internal/nametransform"
 	"github.com/rfjakob/gocryptfs/internal/pathiv"
 	"github.com/rfjakob/gocryptfs/internal/tlog"
 )
@@ -31,7 +32,7 @@ const (
 )
 
 func (rfs *ReverseFS) newDirIVFile(cRelPath string) (nodefs.File, fuse.Status) {
-	cDir := saneDir(cRelPath)
+	cDir := nametransform.Dir(cRelPath)
 	absDir, err := rfs.abs(rfs.decryptPath(cDir))
 	if err != nil {
 		return nil, fuse.ToStatus(err)
-- 
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