Future-proof available() check to handle negative return values

2026-09-20 11:38:48 +00:00 · 2026-02-09 04:34:14 -06:00
parent 67e7ba4812
commit 991ce396a9
1 changed files with 3 additions and 1 deletions
@@ -15,8 +15,10 @@ void CSE7766Component::loop() {
    this->raw_data_index_ = 0;
  }

+  // All current UART available() implementations return >= 0,
+  // use <= 0 to future-proof against any that may return negative on error.
  int avail = this->available();
-  if (avail == 0) {
+  if (avail <= 0) {
    return;
  }