/** INTN Addition Performs the requested operation using the input parameters into a value specified by Result type and stores the converted value into the caller allocated output buffer specified by Result. The caller must pass in a Result buffer that is at least as large as the Result type. If Result is NULL, RETURN_INVALID_PARAMETER is returned. If the requested operation results in an overflow or an underflow condition, then Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. @param[in] Augend A number to which addend will be added @param[in] Addend A number to be added to another @param[out] Result Pointer to the result of addition @retval RETURN_SUCCESS Successful addition @retval RETURN_BUFFER_TOO_SMALL Overflow @retval RETURN_INVALID_PARAMETER Result is NULL **/ RETURN_STATUS EFIAPI SafeIntnAdd ( IN INTN Augend, IN INTN Addend, OUT INTN *Result ) { return SafeInt64Add ((INT64)Augend, (INT64)Addend, (INT64 *)Result); }
/** INTN Addition Performs the requested operation using the input parameters into a value specified by Result type and stores the converted value into the caller allocated output buffer specified by Result. The caller must pass in a Result buffer that is at least as large as the Result type. If Result is NULL, RETURN_INVALID_PARAMETER is returned. If the requested operation results in an overflow or an underflow condition, then Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. @param[in] Augend A number to which addend will be added @param[in] Addend A number to be added to another @param[out] Result Pointer to the result of addition @retval RETURN_SUCCESS Successful addition @retval RETURN_BUFFER_TOO_SMALL Overflow @retval RETURN_INVALID_PARAMETER Result is NULL **/ RETURN_STATUS EFIAPI SafeIntnAdd ( IN INTN Augend, IN INTN Addend, OUT INTN *Result ) { if (sizeof (UINTN) == sizeof (UINT32)) { return SafeInt64ToIntn (((INT64)Augend) + ((INT64)Addend), Result); } return SafeInt64Add ((INT64)Augend, (INT64)Addend, (INT64 *)Result); }