From e7ba3c61f1055d740539d608cc521d816d07cddd Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Wed, 9 Sep 2015 19:32:59 +0200
Subject: Fix File.GettAttr() size reporting

The too-large reported value broke mmap
(applications saw appended zero bytes)

Also
* Add locking for all fd operations
* Add "--debug" command line switch
---
 cryptfs/log.go | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'cryptfs')

diff --git a/cryptfs/log.go b/cryptfs/log.go
index f9c46c8..03d1e29 100644
--- a/cryptfs/log.go
+++ b/cryptfs/log.go
@@ -2,18 +2,28 @@ package cryptfs
 
 import (
 	"fmt"
+	"strings"
 )
 
 type logChannel struct {
 	enabled bool
 }
 
-func (l logChannel) Printf(format string, args ...interface{}) {
+func (l *logChannel) Printf(format string, args ...interface{}) {
 	if l.enabled == true {
 		fmt.Printf(format, args...)
 	}
 }
 
+func (l *logChannel) Dump(d []byte) {
+	s := string(d)
+	fmt.Println(strings.Replace(s, "\000", "\\0", -1))
+}
+
+func (l *logChannel) Enable() {
+	l.enabled = true
+}
+
 
 var Debug = logChannel{false}
 var Warn = logChannel{true}
-- 
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