- if (prelen < 0)
- return;
-
- len = prevalist_to_buf(&buffer, pre, prelen, fmt, args);
- len = log_info_buf(buffer, len);
- free(buffer);
-
- return;
+ if (prelen > 0) {
+ len = prevalist_to_buf(&buffer, pre, prelen, fmt, args);
+ len = log_info_buf(buffer, len);
+ free(buffer);
+ }