jcs
/subtext
/amendments
/198
crc: Add explicit casting to UpdateCRC like UpdateCRC32
jcs made amendment 198 about 1 year ago
--- crc.h Wed Jul 6 17:18:09 2022
+++ crc.h Sat Jul 9 22:40:27 2022
@@ -8,7 +8,8 @@
extern const unsigned short crc16_table[];
extern const unsigned long crc32_table[];
-#define UpdateCRC(b, c) (crc16_table[((c >> 8) & 0xff) ^ (unsigned char)b] ^ (c << 8))
+#define UpdateCRC(b, c) (crc16_table[(((unsigned short)c >> 8) & 0xff) ^ \
+ (unsigned short)(b)] ^ ((unsigned short)c << 8))
#define UpdateCRC32(b, c) (crc32_table[((unsigned long)c ^ \
(unsigned short)(b)) & 0xff] ^ (unsigned long)((unsigned long)c >> 8))