Use strlcpy instead of strncpy

src/handle_swap_sign_transaction.c

@@ -10,7 +10,7 @@ bool copy_transaction_parameters(create_transaction_parameters_t* sign_transacti
     // We need this "trick" as the input data position can overlap with app-ethereum globals
     txStringProperties_t stack_data;
     memset(&stack_data, 0, sizeof(stack_data));
-    strncpy(stack_data.fullAddress,
+    strlcpy(stack_data.fullAddress,
             sign_transaction_params->destination_address,
             sizeof(stack_data.fullAddress));
     if ((stack_data.fullAddress[sizeof(stack_data.fullAddress) - 1] != '\0') ||

src/utils.c

@@ -93,7 +93,7 @@ bool uint256_to_decimal(const uint8_t *value, size_t value_len, char *out, size_
             // Not enough space to hold "0" and \0.
             return false;
         }
-        strncpy(out, "0", out_len);
+        strlcpy(out, "0", out_len);
         return true;
     }