svn -> git Migration

common/crc32.h

@@ -0,0 +1,20 @@
+#ifndef CRC32_H
+#define CRC32_H
+#include "types.h"
+
+class CRC32 {
+public:
+	// one buffer CRC32
+	static uint32			Generate(const uint8* buf, uint32 bufsize);
+	static uint32			GenerateNoFlip(const uint8* buf, uint32 bufsize); // Same as Generate(), but without the ~
+	static void				SetEQChecksum(uchar* in_data, uint32 in_length, uint32 start_at=4);
+	
+	// Multiple buffer CRC32
+	static uint32			Update(const uint8* buf, uint32 bufsize, uint32 crc32 = 0xFFFFFFFF);
+	static inline uint32	Finish(uint32 crc32)	{ return ~crc32; }
+	static inline void		Finish(uint32* crc32)	{ *crc32 = ~(*crc32); }
+	
+private:
+	static inline void		Calc(const uint8 byte, uint32& crc32);
+};
+#endif