** init = 0
*/
extern byte const FLAC__crc8_table[256];
-#define FLAC__CRC8_UPDATE(data, crc) crc = FLAC__crc8_table[crc ^ data];
+#define FLAC__CRC8_UPDATE(data, crc) (crc) = FLAC__crc8_table[(crc) ^ (data)];
void FLAC__crc8_update(const byte data, uint8 *crc);
void FLAC__crc8_update_block(const byte *data, unsigned len, uint8 *crc);
uint8 FLAC__crc8(const byte *data, unsigned len);
** init = 0
*/
extern uint16 FLAC__crc16_table[256];
-#define FLAC__CRC16_UPDATE(data, crc) crc = (crc<<8) ^ FLAC__crc16_table[(crc>>8) ^ data];
+#define FLAC__CRC16_UPDATE(data, crc) (crc) = ((crc)<<8) ^ FLAC__crc16_table[((crc)>>8) ^ (data)];
void FLAC__crc16_update(const byte data, uint16 *crc);
void FLAC__crc16_update_block(const byte *data, unsigned len, uint16 *crc);
uint16 FLAC__crc16(const byte *data, unsigned len);