fix for compiler error ISSUE#371

fix for compiler error: "MFRC522Extended.cpp:824: warning: ordered comparison of pointer with integer zero [-Wextra] if (backData && (backLen > 0)) {"
miguelbalboa · Sep 28, 2024 · 5deedf0 · 5deedf0
1 parent d5dba13
commit 5deedf0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/MFRC522Extended.cpp b/src/MFRC522Extended.cpp
@@ -821,7 +821,7 @@ MFRC522::StatusCode MFRC522Extended::TCL_Transceive(TagInfo *tag, byte *sendData
 	// Swap block number on success
 	tag->blockNumber = !tag->blockNumber;
 
-	if (backData && (backLen > 0)) {
+	if (backData && (int(backLen) > 0)) {
 		if (*backLen < in.inf.size)
 			return STATUS_NO_ROOM;
 
@@ -844,7 +844,7 @@ MFRC522::StatusCode MFRC522Extended::TCL_Transceive(TagInfo *tag, byte *sendData
 		if (result != STATUS_OK)
 			return result;
 
-		if (backData && (backLen > 0)) {
+		if (backData && (int(backLen) > 0)) {
 			if ((*backLen + ackDataSize) > totalBackLen)
 				return STATUS_NO_ROOM;