Wrap Logger to make disabling output more efficient

Instead of using SetOutput(ioutil.Discard), which means
that Printf is still called for every debug message,
use a simple and fast boolean check.

Streaming write performance improves from 86 to 93 MB/s.

1 files changed, 2 insertions, 0 deletions

diff --git a/cryptfs/cryptfs.go b/cryptfs/cryptfs.go
index 232129f..5b3f074 100644
--- a/cryptfs/cryptfs.go
+++ b/cryptfs/cryptfs.go
@@ -9,6 +9,8 @@ import (
 )
 
 const (
+	PROGRAM_NAME = "gocryptfs"
+
 	DEFAULT_PLAINBS = 4096
 	KEY_LEN         = 32 // AES-256
 	AUTH_TAG_LEN    = 16