[libs] Fix SerialClass available() return value (#173)

Co-authored-by: descipher <120155735+GelidusResearch@users.noreply.github.com>
2023-09-21 10:19:51 -05:00
parent 5a4b932a37
commit 3b79636d00
1 changed files with 1 additions and 1 deletions
--- a/cores/common/arduino/libraries/api/Serial/Serial.cpp
+++ b/cores/common/arduino/libraries/api/Serial/Serial.cpp
@@ -24,7 +24,7 @@ void SerialClass::adrParse(uint8_t c) {
 #endif

 int SerialClass::available() {
-	return this->buf && this->buf->available();
+	return this->buf ? this->buf->available() : 0;
 }

 int SerialClass::peek() {