Use proper format specifier for uint32_t.

diff --git a/src/uds/uds.c b/src/uds/uds.c
index 510cdd4..31205f4 100644 (file)
--- a/src/uds/uds.c
+++ b/src/uds/uds.c
@@ -5,6 +5,7 @@
 #include <limits.h>
 #include <stddef.h>
 #include <sys/param.h>
+#include <inttypes.h>
 
 #define ARBITRATION_ID_OFFSET 0x8
 #define MODE_RESPONSE_OFFSET 0x40
@@ -309,7 +310,7 @@ float diagnostic_decode_obd2_pid(const DiagnosticResponse* response) {
 void diagnostic_response_to_string(const DiagnosticResponse* response,
         char* destination, size_t destination_length) {
     int bytes_used = snprintf(destination, destination_length,
-            "arb_id: 0x%02x, mode: 0x%x, ",
+            "arb_id: 0x%" SCNd32 ", mode: 0x%x, ",
             response->arbitration_id,
             response->mode);
 
@@ -346,7 +347,7 @@ void diagnostic_response_to_string(const DiagnosticResponse* response,
 void diagnostic_request_to_string(const DiagnosticRequest* request,
         char* destination, size_t destination_length) {
     int bytes_used = snprintf(destination, destination_length,
-            "arb_id: 0x%02x, mode: 0x%x, ",
+            "arb_id: 0x%" SCNd32 ", mode: 0x%x, ",
             request->arbitration_id,
             request->mode);