Merge aa2d264 into c509139

Telefonica · Apr 20, 2018 · f0d952a · f0d952a
2 parents c509139 + aa2d264
commit f0d952a
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/log.go b/log.go
@@ -112,8 +112,18 @@ func (l *Logger) GetWriter() io.Writer {
 
 func (l *Logger) log(logLevel level, context interface{}, message string, args ...interface{}) {
 	if logLevel >= l.logLevel {
-		var buf bytes.Buffer
-		writeDoc(&buf, time.Now(), LogLevelNames[logLevel], l.context, context, fmt.Sprintf(message, args...))
+		var (
+			text string
+			buf  bytes.Buffer
+		)
+
+		if len(args) == 0 {
+			text = message
+		} else {
+			text = fmt.Sprintf(message, args...)
+		}
+
+		writeDoc(&buf, time.Now(), LogLevelNames[logLevel], l.context, context, text)
 		bytes := buf.Bytes()
 		l.mutex.Lock()
 		defer l.mutex.Unlock()