Initial

yproxy/crc.hpp

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+#ifndef _YPROXY_CRC_HPP_
+#define _YPROXY_CRC_HPP_
+
+class CRC
+{
+public:
+  CRC();
+	virtual ~CRC();
+	void crcAdd(int c);
+	int getVal(void)const;
+private:
+  static int crc_tab[256];
+	int mCRCVal;
+	long mCRCAnz;
+};
+
+inline
+CRC::CRC()
+: mCRCVal(-1L), mCRCAnz(0)
+{
+}
+
+inline
+CRC::~CRC()
+{
+}
+
+inline
+void CRC::crcAdd(int c)
+{
+	unsigned long ch1,ch2,cc;
+
+
+	  /* X^32+X^26+X^23+X^22+X^16+X^12+X^11+X^10+X^8+X^7+X^5+X^4+X^2+X^1+X^0 */
+	  /* for (i = 0; i < size; i++) */
+	  /*      crccode = crc32Tab[(int) ((crccode) ^ (buf[i])) & 0xff] ^  */
+	  /*                (((crccode) >> 8) & 0x00FFFFFFL); */
+	  /*   return(crccode); */
+
+	 cc= (c) & 0x000000ffL;
+	 ch1=(mCRCVal ^ cc) & 0xffL;
+	 ch1=crc_tab[ch1];
+	 ch2=(mCRCVal>>8L) & 0xffffffL;  // Correct version
+	 mCRCVal=ch1 ^ ch2;
+	 mCRCAnz++;
+}
+
+inline
+int CRC::getVal(void)const
+{
+  return mCRCVal;
+}
+#endif
+
+