Update elog_buf.c

easylogger/src/elog_buf.c

@@ -82,7 +82,8 @@ void elog_buf_output(const char *log, size_t size) {
  * flush all buffered logs to output device
  */
 void elog_flush(void) {
-    if(buf_write_size){
+    if(!buf_write_size)
+        return;
     /* lock output */
     elog_output_lock();
     /* output log */
@@ -91,7 +92,6 @@ void elog_flush(void) {
     buf_write_size = 0;
     /* unlock output */
     elog_output_unlock();
-    }
 }
 
 /**